{"cik":49600,"entityName":"EASTGROUP PROPERTIES, INC.","facts":{"dei":{"EntityCommonStockSharesOutstanding":{"label":"Entity Common Stock, Shares Outstanding","description":"Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.","units":{"shares":[{"end":"2010-08-02","val":26970898,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-11-01","val":26980580,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2011-02-24","val":26972262,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2011-04-28","val":27050095,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-07-22","val":27062453,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-10-21","val":27080371,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2012-02-21","val":27859569,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2012-04-24","val":28264303,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-07-23","val":29178725,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-10-19","val":29635762,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2013-02-15","val":29925693,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2013-04-19","val":30256170,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-07-19","val":30444453,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-10-18","val":30624490,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2014-02-13","val":30911906,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-04-18","val":31299928,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-07-18","val":31620960,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-10-17","val":31930012,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2015-02-13","val":32205134,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-04-17","val":32303532,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-07-17","val":32314021,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-10-16","val":32420315,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2016-02-16","val":32383937,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2016-04-21","val":32429497,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-07-21","val":32888048,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-10-20","val":32904064,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2017-02-14","val":33314596,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-04-21","val":33897304,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-07-26","val":34306582,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-10-20","val":34424668,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2018-02-13","val":34738860,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-04-20","val":34944419,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-07-20","val":35737853,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-10-19","val":36040767,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2019-02-13","val":36479324,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"},{"end":"2019-04-23","val":36752739,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-07-25","val":37559466,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-10-24","val":38409619,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2020-02-12","val":38901637,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-05-01","val":39054533,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-07-29","val":39332993,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-10-27","val":39556930,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2021-02-16","val":39659603,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2021-04-28","val":40021537,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-07-27","val":40405380,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-10-26","val":40684273,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2022-02-15","val":41249445,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2022-04-26","val":41680414,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-07-26","val":43566016,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-10-25","val":43574039,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2023-02-14","val":43554350,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2023-04-25","val":44410824,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-07-25","val":45398852,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-10-24","val":46330421,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2024-02-13","val":47956587,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-04-23","val":48144312,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-07-23","val":48730228,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-10-23","val":49505601,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2025-02-11","val":52024019,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-04-22","val":52515948,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-07-22","val":53334394,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-10-22","val":53348644,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2026-02-10","val":53334206,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"},{"end":"2026-04-21","val":53755229,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"EntityPublicFloat":{"label":"Entity Public Float","description":"The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.","units":{"USD":[{"end":"2009-06-30","val":825830000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-06-30","val":825830000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q2I"},{"end":"2010-06-30","val":923034000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-06-30","val":923034000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-06-30","val":923034000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-06-30","val":923034000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q2I"},{"end":"2011-06-30","val":1104183000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-06-30","val":1104183000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-06-30","val":1104183000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-06-30","val":1104183000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q2I"},{"end":"2012-06-30","val":1494036000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-06-30","val":1494036000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-06-30","val":1494036000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-06-30","val":1494036000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q2I"},{"end":"2013-06-28","val":1639408000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-06-28","val":1639408000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-06-28","val":1639408000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-06-28","val":1639408000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q2I"},{"end":"2014-06-30","val":1954758000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-06-30","val":1954758000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-06-30","val":1954758000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-06-30","val":1954758000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q2I"},{"end":"2015-06-30","val":1747077000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-06-30","val":1747077000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-06-30","val":1747077000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-06-30","val":1747077000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q2I"},{"end":"2016-06-30","val":2188222000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-06-30","val":2188222000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-06-30","val":2188222000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-06-30","val":2188222000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q2I"},{"end":"2017-06-30","val":2789236000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-06-30","val":2789236000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-06-30","val":2789236000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-06-30","val":2789236000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q2I"},{"end":"2018-06-29","val":3331265000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q2I"},{"end":"2019-06-28","val":4258843000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q2I"},{"end":"2020-06-30","val":4560365000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q2I"},{"end":"2021-06-30","val":6541518905,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q2I"},{"end":"2022-06-30","val":6624688557,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q2I"},{"end":"2023-06-30","val":7753608598,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q2I"},{"end":"2024-06-28","val":8194355215,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q2I"},{"end":"2025-06-30","val":8720772824,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q2I"}]}}},"srt":{"MortgageLoansOnRealEstateFaceAmountOfMortgages":{"label":"SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages","description":"Amount of contractual principal due at origination of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.","units":{"USD":[{"end":"2018-12-31","val":2594000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1679000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"}]}},"MortgageLoansOnRealEstateNumberOfLoans":{"label":"SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans","description":"Number of mortgage loans within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.","units":{"pure":[{"start":"2018-01-01","end":"2018-12-31","val":1,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":1,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019"}]}},"MortgageLoansOnRealEstatePrincipalAmountOfDelinquentLoans":{"label":"SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans","description":"Amount of principal due on delinquent mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.","units":{"USD":[{"end":"2018-12-31","val":0,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"},{"end":"2019-12-31","val":0,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"}]}},"RealEstateAndAccumulatedDepreciationAmountOfEncumbrances":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances","description":"Amount of lien or mortgage outstanding on real estate investment properties for entities with a substantial portion of business acquiring and holding investment real estate.","units":{"USD":[{"end":"2018-12-31","val":189038000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"},{"end":"2019-12-31","val":133422000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-12-31","val":79096000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"},{"end":"2021-12-31","val":2156000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"},{"end":"2022-12-31","val":2041000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"}]}},"RealEstateFederalIncomeTaxBasis":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Federal Income Tax Basis","description":"Cost basis of real estate investments for federal income tax purposes for entities with a substantial portion of business acquiring and holding investment real estate.","units":{"USD":[{"end":"2018-12-31","val":2771697000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"},{"end":"2019-12-31","val":3179014000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-12-31","val":3464143000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"},{"end":"2021-12-31","val":3974390000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"},{"end":"2022-12-31","val":4569758000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2023-12-31","val":5124320000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":5836498000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":6346275000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"IncreaseDecreaseInEstimatedFutureDevelopmentCosts":{"label":"Changes in Estimated Future Development Costs","description":"Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in estimated future development costs.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":21678000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":4211000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":12163000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023"}]}}},"us-gaap":{"AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent":{"label":"Accounts Payable and Accrued Liabilities","description":"Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations.","units":{"USD":[{"end":"2009-12-31","val":23602000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":23602000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":23602000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":20384000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":28153000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":20969000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":20969000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":20969000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":20969000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":20969000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":14690000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":20781000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":30404000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":31205000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":31205000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":31205000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":31205000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":31205000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":19885000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":24295000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":34066000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":28914000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":28914000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":28914000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":28914000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":28914000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":23939000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":35350000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":42333000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":37104000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":37104000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":37104000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":37104000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":37104000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":28161000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":45017000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":52704000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":39439000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":39439000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":39439000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":39439000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":39439000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":26275000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":35166000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":47872000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":44181000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":44181000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":44181000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":44181000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":44181000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":26653000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":41559000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":56045000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":52701000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":52701000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":52701000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":52701000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":52701000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":43730000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":48900000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":66830000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":64967000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":64967000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":64967000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":64967000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":64967000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":46830000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":56350000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":105869000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":86563000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":86563000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":86563000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":86563000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":86563000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":83364000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":96381000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":122427000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":92024000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":92024000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":92024000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":92024000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":92024000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":91215000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":99965000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":110457000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":69573000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":69573000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":69573000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":69573000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":69573000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":88232000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":101912000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":149979000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":109760000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":109760000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":109760000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":109760000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":109760000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":126708000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":156208000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":190950000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":136988000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":136988000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":136988000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":136988000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":136988000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":157644000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":178567000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":218119000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":146337000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":146337000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":146337000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":146337000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":146337000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":155255000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":188837000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":205320000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":147342000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":147342000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":147342000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":147342000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":147342000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":177387000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":200505000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":230170000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":169945000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":169945000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":169414000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"AccountsPayableOtherCurrentAndNoncurrent":{"label":"Accounts Payable, Other","description":"Amount of obligations incurred and payable classified as other.","units":{"USD":[{"end":"2010-12-31","val":7104000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":7104000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":7104000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":4235000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":5582000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":11286000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":11286000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":11286000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":11286000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":11286000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":4041000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":5074000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":5270000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":5831000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":5831000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":5831000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":5831000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":5831000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":5493000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":8061000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":7999000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":8332000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":8332000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":8332000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":8332000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":8332000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":4355000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":4991000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":10028000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":10707000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":10707000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":10707000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":10707000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":9153000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":7028000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":6668000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":11029000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":13232000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":13232000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":13232000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":13232000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":6017000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3930000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":9330000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":6778000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":6563000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":6563000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":6563000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":6563000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":6563000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":5658000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":4460000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":6491000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":13219000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":13219000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":13219000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":13219000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":13219000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3925000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":5380000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":6519000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":9671000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":9671000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":9671000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":9671000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":9671000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":5418000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":5664000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":7969000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":10071000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":10071000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":10071000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":10071000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":10071000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":4789000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":5650000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":7152000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":9540000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":9540000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":9540000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":9540000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":9540000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":5110000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":5762000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":7546000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":13107000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":13107000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":13107000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":13107000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":13107000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":7275000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":9090000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":10048000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":13748000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":13748000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":13748000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":13748000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":13748000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":8191000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":10730000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":10673000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":16189000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":16189000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":16189000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":16189000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":10023000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":6796000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":25904000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":12079000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":10627000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":10627000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":10627000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":10627000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":10627000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":12212000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":15610000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":10427000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":12222000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":12222000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":6463000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"AccountsReceivableGrossCurrent":{"label":"Accounts Receivable, before Allowance for Credit Loss, Current","description":"Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.","units":{"USD":[{"end":"2011-12-31","val":3949000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":3949000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":3949000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":3949000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":3670000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":3377000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":3568000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":3477000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":3477000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":3477000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":3477000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":3477000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":2929000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":2694000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":3365000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":4863000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":4863000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":4863000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":4863000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":4863000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":3369000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3745000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":4867000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":4459000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":4459000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":4459000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":4459000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":4459000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":3285000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":2820000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3771000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":5615000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":5615000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":5615000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":5615000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":5615000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3782000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":3514000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":4935000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":6824000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":6824000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":6824000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":6824000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":6824000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":4075000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3231000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3907000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":6004000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":6004000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":6004000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":6004000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":6004000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":4114000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":3678000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5026000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":6033000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"}]}},"AccountsReceivableNet":{"label":"Accounts Receivable, after Allowance for Credit Loss","description":"Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.","units":{"USD":[{"end":"2010-12-31","val":2460000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":2460000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":2460000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":2015000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2629000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":3427000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":3427000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":3427000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":3427000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":3427000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":3134000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":2836000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":3027000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":3104000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":3104000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":3104000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":3104000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":3104000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":2564000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":2348000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":3045000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":4514000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":4514000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":4514000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":4514000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":4514000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":2966000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3402000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":4459000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":4080000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":4080000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":4080000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":4080000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":4080000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":2926000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":2510000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3422000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":5221000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":5221000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":5221000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":5221000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":5221000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3395000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2997000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":4305000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":6015000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":6015000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":6015000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":6015000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":6015000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3510000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2722000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3341000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":5427000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":5427000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":5427000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":5427000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":5427000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3498000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":3265000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":4511000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":5433000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"}]}},"AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent":{"label":"Accrual for Taxes Other than Income Taxes","description":"Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes.","units":{"USD":[{"end":"2010-12-31","val":9776000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":9776000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":9776000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":11297000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":17859000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":9840000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":9840000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":9840000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":9840000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":9840000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":5518000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":11874000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":18585000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":12107000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":12107000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":12107000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":12107000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":12107000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":6699000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":12901000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":20335000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":15507000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":15507000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":15507000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":15507000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":15507000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":8410000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":14870000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":22939000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":15216000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":15216000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":15216000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":15216000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":15216000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":9611000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":15688000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":24425000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":16055000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":16055000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":16055000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":16055000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":16055000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":9309000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":17362000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":27084000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":14186000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":14186000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":14186000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":14186000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":14186000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":11043000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":20499000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":31408000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":12081000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":12081000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":12081000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":12081000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":12081000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":12476000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":22816000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":34557000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":10718000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":10718000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":10718000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":10718000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":10718000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":12173000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":24686000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":38258000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2696000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":2696000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":2696000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":2696000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":2696000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":13963000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":27904000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":42824000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":3524000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":3524000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":3524000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":3524000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":3524000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":16339000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":30671000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":46949000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":4494000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":4494000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":4494000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":4494000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":4494000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":18755000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":35603000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":55977000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":6823000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":6823000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":6823000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":6823000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":6823000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":21725000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":41496000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":63956000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":9508000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":9508000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":9508000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":9508000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":9508000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":26627000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":48883000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":71656000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":11528000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":11528000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":11528000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":11528000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":11528000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":31955000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":55428000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":82084000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":14707000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":14707000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":38308000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"AccumulatedAmortizationDeferredFinanceCosts":{"label":"Accumulated Amortization, Debt Issuance Costs","description":"Amount of accumulated amortization of debt issuance costs.","units":{"USD":[{"end":"2010-12-31","val":4129000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2010-12-31","val":4129000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2011-09-30","val":4173000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":4433000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2011-12-31","val":4433000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":4433000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":-4433000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":4433000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2012-03-31","val":-4647000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":4367000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":4655000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":4960000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2012-12-31","val":4960000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":4960000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":4960000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":4960000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2013-03-31","val":3837000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":4160000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":3919000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":3601000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2013-12-31","val":3601000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":3601000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":3601000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":3601000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2014-03-31","val":3904000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":4207000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":4141000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":4454000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2014-12-31","val":4454000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":4454000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":4454000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":4454000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2015-03-31","val":4167000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":4474000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":4655000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":4460000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"}]}},"AccumulatedDistributionsInExcessOfNetIncome":{"label":"Accumulated Distributions in Excess of Net Income","description":"The amount as of the balance sheet date by which cumulative distributions to shareholders (or partners) exceed retained earnings (or accumulated earnings).","units":{"USD":[{"end":"2009-12-31","val":144363000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":144363000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":144363000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":163140000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":173144000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":182253000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":182253000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":182253000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":182253000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":182253000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":191690000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":200270000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":208680000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":216560000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":216560000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":216560000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":216560000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":216560000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":225932000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":232923000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":241616000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":245249000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":245249000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":245249000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":245249000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":245249000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":254322000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":262723000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":270919000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":278169000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":278169000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":278169000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":278169000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":278169000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":286851000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":294741000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":295202000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":300852000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":300852000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":300852000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":300852000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":300852000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":309492000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":313392000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":320876000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":328892000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":328892000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":328892000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":328892000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":328892000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":326790000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":302540000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":308298000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":313655000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":313655000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":313655000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":313655000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":313655000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":321775000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":306216000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":312392000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":317032000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":317032000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":317032000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":317032000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":317032000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":310707000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":315355000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":318410000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":326193000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":326193000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":326193000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":326193000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":326193000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":330184000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":330337000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":336645000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":316302000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":316302000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":316302000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":316302000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":316302000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":322371000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":328438000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":335359000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":329667000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":329667000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":329667000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":329667000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":329667000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":334000000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":338423000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":344378000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":318056000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":318056000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":318056000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":318056000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":318056000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":300429000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":302324000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":319063000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":334898000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":334898000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":334898000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":334898000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":345622000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-09-30","val":369192000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":366473000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":366473000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":366473000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":366473000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":366473000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":368954000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":375556000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":389274000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":403172000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":403172000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":403172000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":403172000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":403172000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":417058000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":427632000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":443754000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":458953000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":458953000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":447946000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax":{"label":"Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax","description":"Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.","units":{"USD":[{"end":"2008-12-31","val":-522000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2008Q4I"},{"end":"2009-12-31","val":-318000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2009Q4I"},{"end":"2009-12-31","val":-318000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2009-12-31","val":-318000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2009-12-31","val":-318000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":-318000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2010-06-30","val":-159000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":-83000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2010Q4I"},{"end":"2010-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2010-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2011-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2011Q4I"},{"end":"2011-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2011-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2011-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2012-12-31","val":-392000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2012Q4I"},{"end":"2012-12-31","val":-392000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2012-12-31","val":-392000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2012-12-31","val":-392000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2013-12-31","val":1629000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2013Q4I"},{"end":"2013-12-31","val":1629000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2013-12-31","val":1629000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2013-12-31","val":1629000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2014-12-31","val":-2357000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2014Q4I"},{"end":"2014-12-31","val":-2357000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2014-12-31","val":-2357000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2014-12-31","val":-2357000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2015-12-31","val":-3456000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2015Q4I"},{"end":"2015-12-31","val":-3456000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2015-12-31","val":-3456000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2015-12-31","val":-3456000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2016-12-31","val":1995000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016Q4I"},{"end":"2016-12-31","val":1995000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2016-12-31","val":1995000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2017-12-31","val":5348000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2017-12-31","val":5348000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"}]}},"AccumulatedOtherComprehensiveIncomeLossNetOfTax":{"label":"Accumulated Other Comprehensive Income (Loss), Net of Tax","description":"Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.","units":{"USD":[{"end":"2009-12-31","val":-318000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2009-12-31","val":-318000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2009Q4I"},{"end":"2010-03-31","val":-256000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q1I"},{"end":"2010-06-30","val":-159000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-06-30","val":-159000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q2I"},{"end":"2010-09-30","val":-83000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3I"},{"end":"2010-12-31","val":0,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":0,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2010Q4I"},{"end":"2011-03-31","val":0,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q1I"},{"end":"2011-06-30","val":0,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2011-06-30","val":0,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2011-06-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q2I"},{"end":"2011-09-30","val":0,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3I"},{"end":"2011-12-31","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2011-12-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2011-12-31","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2011-12-31","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2011-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011Q4I"},{"end":"2012-03-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-03-31","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q1I"},{"end":"2012-06-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2012-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-06-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q2I"},{"end":"2012-09-30","val":-605000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2012-09-30","val":-605000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3I"},{"end":"2012-12-31","val":-392000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":-392000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":-392000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":-392000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":-392000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2012-12-31","val":-392000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2012-12-31","val":-392000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2012-12-31","val":-392000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2012-12-31","val":-392000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012Q4I"},{"end":"2013-03-31","val":-170000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2013-03-31","val":-170000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2013-03-31","val":-170000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-03-31","val":-170000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1948000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2013-06-30","val":1948000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2013-06-30","val":1948000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-06-30","val":1948000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q2I"},{"end":"2013-09-30","val":351000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2013-09-30","val":351000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1629000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":1629000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":1629000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":1629000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":1629000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2013-12-31","val":1629000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2013-12-31","val":1629000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2013-12-31","val":1629000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2013-12-31","val":1629000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":592000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2014-03-31","val":592000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2014-03-31","val":592000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-03-31","val":592000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q1I"},{"end":"2014-06-30","val":-1148000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2014-06-30","val":-1148000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2014-06-30","val":-1148000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-06-30","val":-1148000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q2I"},{"end":"2014-09-30","val":-85000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2014-09-30","val":-85000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3I"},{"end":"2014-12-31","val":-2357000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":-2357000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":-2357000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":-2357000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":-2357000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2014-12-31","val":-2357000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2014-12-31","val":-2357000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2014-12-31","val":-2357000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2014-12-31","val":-2357000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014Q4I"},{"end":"2015-03-31","val":-4892000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2015-03-31","val":-4892000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2015-03-31","val":-4892000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-03-31","val":-4892000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q1I"},{"end":"2015-06-30","val":-1770000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2015-06-30","val":-1770000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2015-06-30","val":-3456000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-06-30","val":-1770000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-06-30","val":-1770000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q2I"},{"end":"2015-09-30","val":-6910000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2015-09-30","val":-6910000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3I"},{"end":"2015-12-31","val":-3456000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":-3456000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":-3456000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":-3456000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":-3456000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2015-12-31","val":-3456000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2015-12-31","val":-3456000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2015-12-31","val":-3456000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2015-12-31","val":-3456000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":-8853000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2016-03-31","val":-8853000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2016-03-31","val":-8853000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-03-31","val":-8853000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q1I"},{"end":"2016-06-30","val":-12315000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2016-06-30","val":-12315000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2016-06-30","val":1995000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-06-30","val":-12315000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-06-30","val":-12315000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q2I"},{"end":"2016-09-30","val":-9709000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2016-09-30","val":-9709000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1995000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":1995000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":1995000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":1995000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":1995000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2016-12-31","val":1995000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2016-12-31","val":1995000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2016-12-31","val":1995000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2016-12-31","val":1995000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2016-12-31","val":1995000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3405000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2017-03-31","val":3405000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2017-03-31","val":3405000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-03-31","val":3405000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2421000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2017-06-30","val":2421000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2017-06-30","val":2421000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-06-30","val":2421000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2645000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2017-09-30","val":2645000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3I"},{"end":"2017-12-31","val":5348000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":5348000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":5348000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":5348000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":5348000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2017-12-31","val":5348000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2017-12-31","val":5348000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2017-12-31","val":5348000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2017-12-31","val":5348000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2017-12-31","val":5348000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2017Q4I"},{"end":"2018-03-31","val":8954000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2018-03-31","val":8954000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2018-03-31","val":8954000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-03-31","val":8954000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2018Q1I"},{"end":"2018-06-30","val":10140000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2018-06-30","val":10140000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2018-06-30","val":10140000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-06-30","val":10140000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q2I"},{"end":"2018-09-30","val":10693000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2018-09-30","val":10693000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":4388000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2019-03-31","val":4388000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2019-03-31","val":4388000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-03-31","val":4388000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q1I"},{"end":"2019-06-30","val":634000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2019-06-30","val":634000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2019-06-30","val":634000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-06-30","val":634000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q2I"},{"end":"2019-09-30","val":378000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2019-09-30","val":378000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2807000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":2807000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":2807000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":2807000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":2807000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2019-12-31","val":2807000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2019-12-31","val":2807000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2019-12-31","val":2807000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2019-12-31","val":2807000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2019-12-31","val":2807000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2019Q4I"},{"end":"2020-03-31","val":-12983000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2020-03-31","val":-12983000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2020-03-31","val":-12983000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-03-31","val":-12983000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q1I"},{"end":"2020-06-30","val":-14807000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2020-06-30","val":-14807000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2020-06-30","val":-14807000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-06-30","val":-14807000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q2I"},{"end":"2020-09-30","val":-13445000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2020-09-30","val":-13445000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3I"},{"end":"2020-12-31","val":-10752000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":-10752000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":-10752000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":-10752000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":-10752000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2020-12-31","val":-10752000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2020-12-31","val":-10752000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2020-12-31","val":-10752000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2020-12-31","val":-10752000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020Q4I"},{"end":"2021-03-31","val":-2538000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2021-03-31","val":-2538000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2021-03-31","val":-2538000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-03-31","val":-2538000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q1I"},{"end":"2021-06-30","val":-3801000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2021-06-30","val":-3801000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2021-06-30","val":-3801000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-06-30","val":-3801000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q2I"},{"end":"2021-09-30","val":-2476000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2021-09-30","val":-2476000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1302000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":1302000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":1302000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":1302000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":1302000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2021-12-31","val":1302000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2021-12-31","val":1302000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2021-12-31","val":1302000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2021Q4I"},{"end":"2022-03-31","val":17130000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2022-03-31","val":17130000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2022-03-31","val":17130000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-03-31","val":17130000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q1I"},{"end":"2022-06-30","val":23971000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2022-06-30","val":23971000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2022-06-30","val":23971000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2I"},{"end":"2022-09-30","val":41128000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":36371000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":36371000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":36371000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":36371000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":36371000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2022-12-31","val":36371000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2022-12-31","val":36371000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2022-12-31","val":36371000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2022-12-31","val":36371000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2022-12-31","val":36371000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":26109000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2023-03-31","val":26109000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2023-03-31","val":26109000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-03-31","val":26109000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q1I"},{"end":"2023-06-30","val":36311000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2023-06-30","val":36311000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-06-30","val":36311000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q2I"},{"end":"2023-09-30","val":42088000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2023-09-30","val":42088000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3I"},{"end":"2023-12-31","val":24888000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":24888000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":24888000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":24888000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":24888000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2023-12-31","val":24888000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2023-12-31","val":24888000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2023-12-31","val":24888000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2023-12-31","val":24888000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023Q4I"},{"end":"2024-03-31","val":30782000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2024-03-31","val":30782000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2024-03-31","val":30782000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-03-31","val":30782000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q1I"},{"end":"2024-06-30","val":29687000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2024-06-30","val":29687000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2024-06-30","val":29687000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-06-30","val":29687000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q2I"},{"end":"2024-09-30","val":13940000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2024-09-30","val":13940000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3I"},{"end":"2024-12-31","val":21953000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":21953000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":21953000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":21953000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":21953000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2024-12-31","val":21953000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2024Q4I"},{"end":"2025-03-31","val":15026000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2025-03-31","val":15026000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2025-03-31","val":15026000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1I"},{"end":"2025-06-30","val":10890000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2025-06-30","val":10890000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":8751000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":8357000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":8357000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":10336000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"AdditionalPaidInCapitalCommonStock":{"label":"Additional Paid in Capital, Common Stock","description":"Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.","units":{"USD":[{"end":"2009-12-31","val":589197000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":589197000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":589197000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":590255000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":590942000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":591106000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":591106000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":591106000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":591106000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":591106000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":591810000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":592824000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":593923000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":619386000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":619386000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":619386000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":619386000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":619386000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":637635000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":691293000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":697311000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":731950000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":731950000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":731950000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":731950000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":731950000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":747105000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":750762000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":769512000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":790535000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":790535000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":790535000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":790535000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":790535000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":810414000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":832061000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":853198000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":874335000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":874335000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":874335000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":874335000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":874335000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":874752000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":877181000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":885285000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":887207000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":887207000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":887207000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":887207000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":887207000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":887635000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":918043000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":918807000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":949318000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":949318000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":949318000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":949318000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":949318000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":989009000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1020306000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1031592000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1061153000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":1061153000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":1061153000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":1061153000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":1061153000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1074798000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1144290000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1176034000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1222547000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":1222547000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":1222547000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":1222547000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":1222547000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1245660000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1337042000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1442745000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1514055000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":1514055000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":1514055000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":1514055000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":1514055000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1525981000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1558322000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1591720000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1610053000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":1610053000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":1610053000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":1610053000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":1610053000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1652445000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1714661000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1765748000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1886820000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":1886820000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":1886820000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":1886820000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":1886820000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1956328000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":2263072000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":2266831000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":2251521000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":2251521000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":2251521000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":2251521000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":2251521000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":2355476000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":2535996000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":2706064000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":2949907000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":2949907000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":2949907000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":2949907000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":2949907000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":2997210000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":3112554000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":3207773000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":3673393000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":3673393000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":3673393000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":3673393000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":3673393000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":3746897000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":3823605000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":3943700000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":3946792000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":3946792000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":4014198000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"AdvanceRent":{"label":"Advance Rent","description":"Amount at the balance sheet date that has been received by the entity that represents rents paid in advance.","units":{"USD":[{"end":"2010-12-31","val":6440000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":6440000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":6440000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":6054000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":5991000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":6373000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":6373000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":6373000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":6373000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":6373000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":6923000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":5998000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":5616000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":7930000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":7930000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":7930000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":7930000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":7930000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":7141000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":6434000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":7557000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":10101000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":10101000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":10101000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":10101000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":10101000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":9793000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":8434000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":8922000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":8971000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":8971000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":8971000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":8971000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":8971000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":9949000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":9028000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":8613000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":10003000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":10003000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":10003000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":10003000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":10003000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":10382000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":8922000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":9968000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":9795000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":9795000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":9795000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":9795000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":9795000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":11392000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":9828000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":8702000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":9352000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":9352000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":9352000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":9352000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":9352000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":10647000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":10033000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":8391000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":12728000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":12728000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":12728000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":12728000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":12728000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":11951000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":10316000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":11151000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":13855000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":13855000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":13855000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":13855000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":13855000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":13152000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":13242000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":12130000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":14694000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":14694000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":14694000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":14694000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":14694000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":15393000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":13600000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":15529000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":16401000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":16401000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":16401000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":16401000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":16401000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":15083000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":15902000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":18290000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":17004000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":17004000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":17004000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":17004000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":17004000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":20404000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":20635000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":19202000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":20070000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":20070000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":20070000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":20070000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":20070000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":19471000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":18400000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":19748000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":24813000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":24813000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":24813000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":24813000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":24813000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":23551000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":20707000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":21198000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":24894000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":24894000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":24082000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"AllocatedShareBasedCompensationExpense":{"label":"Share-based Payment Arrangement, Expense","description":"Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":3176000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":2060000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":2060000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":1101000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":1571000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":2042000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":2042000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":2042000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":794000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":1648000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":2203000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":2787000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":2787000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":2787000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":1492000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-2700000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":-3571000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":4447000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":4447000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":4447000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-1831000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-3258000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":-4324000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":5540000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":5540000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":5540000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-2069000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":3908000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-09-30","val":-5232000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-12-31","val":6567000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":6567000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":6567000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-2343000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-4709000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-09-30","val":-6565000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-12-31","val":8423000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":8423000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":8423000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":3015000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-4309000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-09-30","val":-5016000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-12-31","val":5831000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":5831000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":5831000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-2683000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-4275000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-09-30","val":-5653000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-12-31","val":7012000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":7012000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":7012000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-1044000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":-1044000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":-1044000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-03-31","val":-1044000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-2929000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":-1885000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":-1885000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-4503000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":-1574000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":6103000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":6103000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":6103000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-1447000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":-1447000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-03-31","val":-1447000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-03-31","val":-1447000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":-1447000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-03-31","val":-1447000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":-2291000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":-2291000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-04-01","end":"2019-06-30","val":-2291000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":-2291000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":-1739000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":-1739000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":9374000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":9374000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":9374000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-1781000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":-1781000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-03-31","val":-1781000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-03-31","val":-1781000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2020-01-01","end":"2020-03-31","val":-1781000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-03-31","val":-1781000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":-2694000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":-2694000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-04-01","end":"2020-06-30","val":-2694000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":-2694000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":-2036000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":-2036000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":8502000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":8502000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":8502000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-2147000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":-2147000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-03-31","val":-2147000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-03-31","val":-2147000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2021-01-01","end":"2021-03-31","val":-2147000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-03-31","val":-2147000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":-2893000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":-2893000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-04-01","end":"2021-06-30","val":-2893000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":-2893000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q2"},{"start":"2021-07-01","end":"2021-09-30","val":-2461000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":-2461000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":9847000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":9847000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":7511000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-2594000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":-2594000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-03-31","val":-2594000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-03-31","val":-2594000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2022-01-01","end":"2022-03-31","val":-2594000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-03-31","val":2594000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q1"},{"start":"2022-04-01","end":"2022-06-30","val":-3062000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":-3062000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-04-01","end":"2022-06-30","val":-3062000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":3062000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q2"},{"start":"2022-07-01","end":"2022-09-30","val":-2855000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":2855000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":10802000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":8292000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":8292000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-3477000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":-3477000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-03-31","val":3477000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-03-31","val":2784000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":4954000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":-2771000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":2771000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":6835000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":2766000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":8965000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":8965000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":8965000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":3507000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":3507000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":5751000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":5751000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":8277000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":8277000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":10476000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":10476000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":4232000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":4232000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":6535000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":9165000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":11793000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":4159000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"AllowanceForDoubtfulAccountsReceivableCurrent":{"label":"Accounts Receivable, Allowance for Credit Loss, Current","description":"Amount of allowance for credit loss on accounts receivable, classified as current.","units":{"USD":[{"end":"2010-12-31","val":706000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":706000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-09-30","val":484000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":522000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":-522000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":522000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":522000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":522000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":-536000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":541000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":541000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":373000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":373000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":373000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":373000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":373000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":365000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":346000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":320000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":349000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":349000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":349000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":349000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":349000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":403000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":343000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":408000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":379000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":379000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":379000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":379000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":379000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":359000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":310000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":349000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":394000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":394000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":394000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":394000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":394000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":387000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":517000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":630000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":809000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":809000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":809000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":809000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":809000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":565000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":509000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":566000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":577000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":577000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":577000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":577000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":577000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":616000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":413000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":515000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":600000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"}]}},"AllowanceForLoanAndLeaseLossesRealEstate":{"label":"Allowance for Loan and Lease Losses, Real Estate","description":"The reserve to cover probable credit losses related to specifically identified fixed maturity real estate loans as well as probable credit losses inherent in the remainder of that loan portfolio.","units":{"USD":[{"end":"2010-12-31","val":56000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2010-12-31","val":56000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":56000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2011-06-30","val":48000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":46000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":44000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2011-12-31","val":44000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":44000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":-44000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":44000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2012-03-31","val":-41000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":38000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":36000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":34000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2012-12-31","val":34000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":34000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":34000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":34000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2013-03-31","val":30000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":27000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":25000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":24000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2013-12-31","val":24000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":24000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":24000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":24000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2014-03-31","val":21000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":18000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":16000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"}]}},"AmortizationOfDebtDiscountPremium":{"label":"Amortization of Debt Discount (Premium)","description":"Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-117000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-7000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":-10000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":-12000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":-4000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-7000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-06-30","val":-7000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":-10000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-09-30","val":-10000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":-13000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-4000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-8000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":-10000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"}]}},"AmortizationOfDeferredLeasingFees":{"label":"Amortization of Deferred Leasing Fees","description":"This element represents the amortization of deferred leasing fees incurred by the lessor and amortized over the term of the lease. Such fees represent (a) costs to originate a lease incurred in transactions with independent third parties that (i) result directly from and are essential to acquire that lease and (ii) would not have been incurred had that leasing transaction not occurred and (b) certain costs directly related to specified activities performed by the lessor for that lease. Those activities are: evaluating the prospective lessee's financial condition; evaluating and recording guarantees, collateral, and other security arrangements; negotiating lease terms; preparing and processing lease documents; and closing the transaction.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":6366000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":6703000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":6703000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":6487000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":6487000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":6487000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":7082000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":7082000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":7082000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":7354000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":7354000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":7354000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":8284000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":8284000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":8284000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":9038000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":9038000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":9038000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":9932000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":9932000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":9932000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":10329000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":10329000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":10329000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":11493000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":11493000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":11493000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":13167000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":13167000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":13167000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":14449000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":14449000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":14449000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":16209000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":16209000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":16209000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":18950000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":18950000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":18950000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":22133000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":22133000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":22133000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":25522000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":25522000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":28026000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"AmortizationOfFinancingCostsAndDiscounts":{"label":"Amortization of Debt Issuance Costs and Discounts","description":"Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":297000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":314000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":314000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":300000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":300000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":300000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":342000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":342000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":342000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":410000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":410000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":410000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":413000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":413000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":413000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":493000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":493000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":493000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":450000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":450000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":450000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":451000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":451000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":451000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":508000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":508000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":508000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":556000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":556000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":556000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":561000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":561000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":561000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":606000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":606000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":650000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022"}]}},"AmortizationOfIntangibleAssets":{"label":"Amortization of Intangible Assets","description":"The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":3205000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":1693000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":661000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":2316000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":2316000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":1069000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":2046000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":977000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":2927000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":2927000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":881000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":881000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":3628000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":3628000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":3628000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":778000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":778000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1777000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":1777000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":999000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":999000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":3061000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":3061000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":1284000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":1284000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":4281000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":4281000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":4281000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1212000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":1212000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":2333000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":2333000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":1121000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":1121000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":3548000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":3548000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":1215000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":1215000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":4727000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":4727000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":4727000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":1144000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":1144000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2185000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":2185000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":1041000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":1041000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":3129000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":3129000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":944000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":944000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":4370000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":4370000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":4370000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1111000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":1111000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2146000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":2146000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":1035000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":1035000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":3202000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":3202000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":1056000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":1056000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":4210000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":4210000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":4210000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1121000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":1121000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":2354000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":2354000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":1233000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":1233000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":3455000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":3455000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":1101000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":1101000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":4535000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":4535000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":4535000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1012000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":1012000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":2045000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":2045000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":1033000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":1033000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":3202000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":3202000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":1157000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":1157000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":4204000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":4204000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":4204000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":991000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":991000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2332000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":2332000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":1341000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":1341000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":3653000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":3653000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":1321000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":1321000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4967000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":4967000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":4967000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1334000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":1334000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":2706000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":2706000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":1372000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":1372000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":4048000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":4048000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":1342000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":1342000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":5620000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":5620000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":5620000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1431000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":1431000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":2738000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":2738000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":1307000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":1307000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":4385000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":4385000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":1647000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":1647000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":5980000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":5980000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":5980000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":2465000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":2465000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":4663000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":4663000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":2198000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":2198000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":7204000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":7204000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":2541000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":2541000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":9489000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":9489000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":9489000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":1962000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":1962000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":4136000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":4136000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":2174000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":2174000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":6031000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":6031000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":1895000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":1895000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":7942000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":7942000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":7942000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":1926000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":1926000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":3819000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":3819000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":1893000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":1893000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":5828000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":5828000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":2009000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":2009000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":8649000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":8649000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":3218000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":3218000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":6285000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":3067000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":9433000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":3148000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":12526000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":3044000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"Assets":{"label":"Assets","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2009-12-31","val":1178518000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":1178518000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":1178518000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":1188119000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":1185495000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":1183276000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":1183276000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":1183276000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":1183276000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":1183276000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":1180875000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":1179697000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":1212193000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1286516000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":1286516000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":1286516000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":1286516000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":1286516000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":1292641000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1296230000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1299072000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1354102000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":1354102000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":1354102000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":1354102000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":1354102000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1363655000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1452575000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1465647000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1473412000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":1473412000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":1473412000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":1473412000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":1473412000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1480930000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1548608000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1562977000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1575824000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":1575824000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":1575824000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":1575824000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":1575824000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1581279000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1603483000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1619908000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1666232000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":1661904000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":1661904000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":1661904000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":1661904000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1659282000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1654848000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1718443000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1825764000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":1825764000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":1825764000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":1825764000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":1825764000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1856430000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1870715000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1893993000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1953221000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":1953221000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":1953221000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":1953221000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":1953221000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1962785000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2021726000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2089165000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2131705000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":2131705000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":2131705000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":2131705000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":2131705000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2171646000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2295380000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2400444000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2546078000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":2546078000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":2546078000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":2546078000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":2546078000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2604762000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2622518000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2635686000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2720803000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":2720803000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":2720803000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":2720803000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":2720803000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2756921000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":2855622000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":2985010000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":3215336000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":3215336000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":3215336000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":3215336000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":3215336000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":3344735000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":3851717000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":3962323000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":4035837000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":4035837000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":4035837000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":4035837000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":4035837000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":4080461000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":4204128000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":4354854000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":4519213000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":4519213000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":4519213000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":4519213000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":4519213000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":4577005000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":4714693000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":4754065000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":5077476000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":5077476000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":5077476000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":5077476000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":5077476000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":5107978000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":5189608000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":5354755000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":5431807000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":5431807000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":5490264000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"BankOverdrafts":{"label":"Bank Overdrafts","description":"Carrying value as of the balance sheet date of payments made in excess of existing cash balances, which will be honored by the bank but reflected as a loan to the entity. Overdrafts generally have a very short time frame for correction or repayment and are therefore more similar to short-term bank financing than trade financing.","units":{"USD":[{"end":"2015-12-31","val":7215000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-12-31","val":14452000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"}]}},"BusinessAcquisitionCostOfAcquiredEntityCashPaid":{"label":"Business Acquisition, Cost of Acquired Entity, Cash Paid (Deprecated 2013-01-31)","description":"Amount of cash paid to acquire the entity.","units":{"USD":[{"end":"2010-12-31","val":23555000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-09-30","val":23450000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":88592000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"}]}},"BusinessCombinationAcquisitionRelatedCosts":{"label":"Business Combination, Acquisition Related Costs","description":"This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.","units":{"USD":[{"start":"2010-01-01","end":"2010-06-30","val":72000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":23000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":72000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":0,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":72000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-04-01","end":"2011-06-30","val":0,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":55000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-09-30","val":55000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":55000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-07-01","end":"2011-09-30","val":55000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":252000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":19000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":19000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":19000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":19000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":64000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":64000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":45000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":45000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2013-01-01","end":"2013-03-31","val":29000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":29000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-06-30","val":167000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-06-30","val":167000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":138000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":138000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":183000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-09-30","val":183000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":16000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":16000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-06-30","val":160000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-06-30","val":160000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":160000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-04-01","end":"2014-06-30","val":160000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-09-30","val":160000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-09-30","val":160000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":161000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":161000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3"}]}},"BusinessCombinationIntegrationRelatedCosts":{"label":"Business Combination, Integration Related Costs","description":"Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":177000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-09-30","val":72000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":0,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":72000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":72000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":55000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-09-30","val":55000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":55000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-07-01","end":"2011-09-30","val":55000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":252000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":252000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":252000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2012-01-01","end":"2012-03-31","val":19000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":19000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":19000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":19000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":64000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":64000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":45000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":45000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":188000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":188000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":188000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-03-31","val":29000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":29000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-06-30","val":167000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-06-30","val":167000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":138000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":138000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":183000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-09-30","val":183000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":16000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":16000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":191000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":191000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":191000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":160000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-06-30","val":160000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":160000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-04-01","end":"2014-06-30","val":160000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-09-30","val":160000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-09-30","val":160000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-12-31","val":210000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":210000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":210000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-12-31","val":164000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2015-01-01","end":"2015-12-31","val":164000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":164000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2016-01-01","end":"2016-09-30","val":161000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-09-30","val":161000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":161000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-07-01","end":"2016-09-30","val":161000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-12-31","val":161000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2016-01-01","end":"2016-12-31","val":161000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":161000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"}]}},"BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment":{"label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment","description":"The amount of property, plant, and equipment recognized as of the acquisition date.","units":{"USD":[{"end":"2010-12-31","val":19545000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-09-30","val":22090000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":80624000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"}]}},"Cash":{"label":"Cash","description":"Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2009-12-31","val":1062000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":1062000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":1062000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":141000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":154000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":137000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":137000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":137000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":137000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":137000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":108000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":100000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":447000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":174000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":174000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":174000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":174000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":174000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":205000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":118000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1027000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":24000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":10000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":207000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":8000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":8000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":8000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":8000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":8000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1880000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":19000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":323000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":11000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":11000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":11000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":11000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":11000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":173000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":13000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":342000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":48000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":48000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":48000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":48000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":48000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":12000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":10000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":33000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":522000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":522000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":522000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":522000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":522000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":44000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":78000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":10000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":16000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":16000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":16000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":16000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":16000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":37000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":252000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":257000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":374000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":374000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":374000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":374000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":374000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1831000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":326000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":130000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":224000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":224000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":224000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":224000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":224000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":671000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":104000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":19000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":21000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":21000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":21000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":21000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":21000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":68000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":38565000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":247000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":5718000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":5555000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":4848000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":56000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":56000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q4I"},{"end":"2023-03-31","val":9390000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"}]}},"CashAndCashEquivalentsAtCarryingValue":{"label":"Cash and Cash Equivalents, at Carrying Value","description":"Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2007-12-31","val":724000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2007Q4I"},{"end":"2008-12-31","val":293000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2008-12-31","val":293000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2008-12-31","val":293000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2008-12-31","val":293000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2008Q4I"},{"end":"2009-06-30","val":1401000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2I"},{"end":"2009-09-30","val":124000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3I"},{"end":"2009-12-31","val":1062000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":1062000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":1062000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2009-12-31","val":1062000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2009-12-31","val":1062000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2009-12-31","val":1062000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2009-12-31","val":1062000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2009-12-31","val":1062000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2009Q4I"},{"end":"2010-03-31","val":149000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1I"},{"end":"2010-06-30","val":141000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2010-06-30","val":141000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2I"},{"end":"2010-09-30","val":154000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2010-09-30","val":154000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3I"},{"end":"2010-12-31","val":137000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":137000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":137000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":137000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":137000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2010-12-31","val":137000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2010-12-31","val":137000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2010-12-31","val":137000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2010-12-31","val":137000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2010-12-31","val":137000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2010Q4I"},{"end":"2011-03-31","val":108000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2011-03-31","val":108000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1I"},{"end":"2011-06-30","val":100000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2011-06-30","val":100000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2I"},{"end":"2011-09-30","val":447000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2011-09-30","val":447000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3I"},{"end":"2011-12-31","val":174000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":174000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":174000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":174000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":174000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2011-12-31","val":174000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2011-12-31","val":174000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2011-12-31","val":174000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2011-12-31","val":174000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2011-12-31","val":174000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2011Q4I"},{"end":"2012-03-31","val":205000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2012-03-31","val":205000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1I"},{"end":"2012-06-30","val":118000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2012-06-30","val":118000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1027000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2012-09-30","val":1027000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2012-12-31","val":1258000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2012Q4I"},{"end":"2013-03-31","val":24000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2013-03-31","val":24000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1I"},{"end":"2013-06-30","val":10000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2013-06-30","val":10000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2I"},{"end":"2013-09-30","val":207000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2013-09-30","val":207000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3I"},{"end":"2013-12-31","val":8000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":8000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":8000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":8000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":8000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2013-12-31","val":8000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2013-12-31","val":8000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2013-12-31","val":8000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2013-12-31","val":8000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2013-12-31","val":8000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1880000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2014-03-31","val":1880000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1I"},{"end":"2014-06-30","val":19000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2014-06-30","val":19000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2I"},{"end":"2014-09-30","val":323000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2014-09-30","val":323000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3I"},{"end":"2014-12-31","val":11000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":11000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":11000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":11000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":11000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2014-12-31","val":11000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2014-12-31","val":11000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2014-12-31","val":11000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2014-12-31","val":11000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2014-12-31","val":11000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":173000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2015-03-31","val":173000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1I"},{"end":"2015-06-30","val":13000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2015-06-30","val":13000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2I"},{"end":"2015-09-30","val":342000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2015-09-30","val":342000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3I"},{"end":"2015-12-31","val":48000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":48000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":48000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":48000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":48000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2015-12-31","val":48000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2015-12-31","val":48000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2015-12-31","val":48000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2015-12-31","val":48000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2015-12-31","val":48000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":12000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2016-03-31","val":12000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1I"},{"end":"2016-06-30","val":10000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2016-06-30","val":10000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2I"},{"end":"2016-09-30","val":33000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2016-09-30","val":33000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3I"},{"end":"2016-12-31","val":522000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":522000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":522000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":522000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":522000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2016-12-31","val":522000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2016-12-31","val":522000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2016-12-31","val":522000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2016-12-31","val":522000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2016-12-31","val":522000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2016Q4I"},{"end":"2017-03-31","val":44000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2017-03-31","val":44000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1I"},{"end":"2017-06-30","val":78000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2017-06-30","val":78000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2I"},{"end":"2017-09-30","val":10000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2017-09-30","val":10000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3I"},{"end":"2017-12-31","val":16000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":16000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":16000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":16000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":16000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2017-12-31","val":16000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2017-12-31","val":16000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2017-12-31","val":16000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2017-12-31","val":16000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2017-12-31","val":16000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2017Q4I"},{"end":"2018-03-31","val":37000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2018-03-31","val":37000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1I"},{"end":"2018-06-30","val":252000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2018-06-30","val":252000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2018Q2I"},{"end":"2018-09-30","val":257000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2018-09-30","val":257000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":374000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":374000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":374000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":374000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":374000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2018-12-31","val":374000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2018-12-31","val":374000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2018-12-31","val":374000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2018-12-31","val":374000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2018-12-31","val":374000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1831000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2019-03-31","val":1831000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1I"},{"end":"2019-06-30","val":326000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2019-06-30","val":326000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2I"},{"end":"2019-09-30","val":130000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2019-09-30","val":130000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3I"},{"end":"2019-12-31","val":224000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":224000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":224000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":224000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":224000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2019-12-31","val":224000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2019-12-31","val":224000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2019-12-31","val":224000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2019-12-31","val":224000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019Q4I"},{"end":"2020-03-31","val":671000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2020-03-31","val":671000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1I"},{"end":"2020-06-30","val":104000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2020-06-30","val":104000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2I"},{"end":"2020-09-30","val":19000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2020-09-30","val":19000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3I"},{"end":"2020-12-31","val":21000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":21000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":21000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":21000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":21000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":68000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":38565000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":247000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"},{"end":"2022-12-31","val":56000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":56000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":56000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-06-30","val":1082000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":374000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":40263000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":40263000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":40263000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":40263000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":40263000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":15625000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":39400000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":16957000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":17529000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":17529000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":17529000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":17529000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q4I"},{"end":"2025-03-31","val":20515000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":32921000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":2981000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":1007000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":31358000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"CashAndCashEquivalentsPeriodIncreaseDecrease":{"label":"Cash and Cash Equivalents, Period Increase (Decrease)","description":"Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-431000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":1108000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":-169000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":769000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":769000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":-913000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-921000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":-921000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":-908000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":-908000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":-925000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-925000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":-925000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-29000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":-29000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-37000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":-37000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":310000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":310000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":37000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":37000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":37000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":31000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":31000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-56000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":-56000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":853000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":853000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":1084000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":1084000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":1084000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-1234000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":-1234000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-1248000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":-1248000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":-1051000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":-1051000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":-1250000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":-1250000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":-1250000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1872000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":1872000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":11000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":11000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":315000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":315000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":3000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":3000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":3000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":162000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":162000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":2000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":331000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":331000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":37000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":37000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":37000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-36000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":-36000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-38000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":-38000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":-15000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":-15000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":474000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":474000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":474000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-478000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":-478000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-444000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":-444000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":-512000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":-512000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":-506000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":-506000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":-506000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":21000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":21000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":236000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":236000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":241000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":241000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":358000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":358000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":358000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1457000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":1457000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-48000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":-48000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":-244000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":-244000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":-150000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":-150000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":-150000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":447000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":447000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-120000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":-120000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":-205000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":-205000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":-203000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":-203000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":47000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":38544000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-09-30","val":226000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-12-31","val":4372000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021"}]}},"CashFlowHedgeLossReclassifiedToInterestExpense":{"label":"Cash Flow Hedge Loss Reclassified to Interest Expense (Deprecated 2013-01-31)","description":"The amount of losses on a cash flow hedge reclassified in the period to interest expense from accumulated other comprehensive income.","units":{"USD":[{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2012-01-01","end":"2012-09-30","val":-50000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":-50000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3"}]}},"CashPaidForCapitalizedInterest":{"label":"Cash Paid for Capitalized Interest (Deprecated 2011-01-31)","description":"The amount of cash paid during the current period for interest owed on money borrowed that is not charged as an expense but rather is capitalized based on the long term nature of the use of the borrowed funds.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":6946000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":3398000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":4714000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":5856000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":961000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":1836000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":2705000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":3613000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":839000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"}]}},"CommonStockDividendsPerShareDeclared":{"label":"Common Stock, Dividends, Per Share, Declared","description":"Aggregate dividends declared during the period for each share of common stock outstanding.","units":{"USD/shares":[{"start":"2008-01-01","end":"2008-12-31","val":2.08,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":2.08,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":2.08,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":1.04,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":1.56,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":2.08,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":2.08,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":2.08,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":0.52,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":1.04,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":1.56,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":2.08,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":2.08,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":2.08,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":0.52,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":1.04,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":1.57,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":2.1,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":2.1,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":2.1,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":0.53,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1.06,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":1.6,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":2.14,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":2.14,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":2.14,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0.54,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1.08,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-09-30","val":1.65,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-12-31","val":2.22,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":2.22,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":2.22,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0.57,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1.14,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-09-30","val":1.74,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-12-31","val":2.34,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":2.34,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":2.34,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0.6,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":1.2,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-09-30","val":1.82,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-12-31","val":2.44,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":2.44,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":2.44,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0.62,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1.24,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-09-30","val":1.88,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-12-31","val":2.52,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":2.52,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":2.52,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0.64,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":0.64,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":0.64,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-03-31","val":0.64,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1.28,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":0.64,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":0.64,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":2,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":0.72,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":2.72,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":2.72,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":2.72,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0.72,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":0.72,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-03-31","val":0.72,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-03-31","val":0.72,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":0.72,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-03-31","val":0.72,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":0.72,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":0.72,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-04-01","end":"2019-06-30","val":0.72,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":0.72,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":0.75,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":0.75,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":2.94,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":2.94,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":2.94,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0.75,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":0.75,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-03-31","val":0.75,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-03-31","val":0.75,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2020-01-01","end":"2020-03-31","val":0.75,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-03-31","val":0.75,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":0.75,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":0.75,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-04-01","end":"2020-06-30","val":0.75,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":0.75,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":0.79,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":0.79,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":3.08,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":3.08,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":3.08,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0.79,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":0.79,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-03-31","val":0.79,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-03-31","val":0.79,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2021-01-01","end":"2021-03-31","val":0.79,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-03-31","val":0.79,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":0.79,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":0.79,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-04-01","end":"2021-06-30","val":0.79,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":0.79,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q2"},{"start":"2021-07-01","end":"2021-09-30","val":0.9,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":0.9,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":3.58,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":3.58,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":3.58,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1.1,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":1.1,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-03-31","val":1.1,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-03-31","val":1.1,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2022-01-01","end":"2022-03-31","val":1.1,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-03-31","val":1.1,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q1"},{"start":"2022-04-01","end":"2022-06-30","val":1.1,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":1.1,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-04-01","end":"2022-06-30","val":1.1,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":1.1,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q2"},{"start":"2022-07-01","end":"2022-09-30","val":1.25,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":1.25,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":4.7,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":4.7,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":4.7,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":1.25,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":1.25,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-03-31","val":1.25,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-03-31","val":1.25,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2023-01-01","end":"2023-03-31","val":1.25,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-03-31","val":1.25,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q1"},{"start":"2023-04-01","end":"2023-06-30","val":1.25,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":1.25,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-04-01","end":"2023-06-30","val":1.25,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":1.25,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q2"},{"start":"2023-07-01","end":"2023-09-30","val":1.27,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":1.27,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":5.04,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":5.04,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":5.04,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":1.27,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":1.27,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-03-31","val":1.27,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-03-31","val":1.27,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2024-01-01","end":"2024-03-31","val":1.27,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-03-31","val":1.27,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q1"},{"start":"2024-04-01","end":"2024-06-30","val":1.27,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":1.27,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-04-01","end":"2024-06-30","val":1.27,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":1.27,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q2"},{"start":"2024-07-01","end":"2024-09-30","val":1.4,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":1.4,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":5.34,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":5.34,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":1.4,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":1.4,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-03-31","val":1.4,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-03-31","val":1.4,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-04-01","end":"2025-06-30","val":1.4,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":1.4,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q2"},{"start":"2025-07-01","end":"2025-09-30","val":1.55,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":5.9,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":1.55,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"CommonStockParOrStatedValuePerShare":{"label":"Common Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of common stock.","units":{"USD/shares":[{"end":"2009-12-31","val":0.0001,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":0.0001,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":0.0001,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":0.0001,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":0.0001,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":0.0001,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":0.0001,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":0.0001,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":0.0001,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":0.0001,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":0.0001,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":0.0001,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":0.0001,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":0.0001,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":0.0001,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":0.0001,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":0.0001,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":0.0001,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":0.0001,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":0.0001,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":0.0001,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":0.0001,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":0.0001,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":0.0001,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":0.0001,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":0.0001,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":0.0001,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":0.0001,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":0.0001,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":0.0001,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":0.0001,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":0.0001,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":0.0001,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":0.0001,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":0.0001,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":0.0001,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":0.0001,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":0.0001,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":0.0001,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":0.0001,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":0.0001,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":0.0001,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":0.0001,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":0.0001,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":0.0001,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":0.0001,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":0.0001,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":0.0001,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":0.0001,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":0.0001,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":0.0001,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":0.0001,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0.0001,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":0.0001,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":0.0001,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":0.0001,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":0.0001,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":0.0001,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":0.0001,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0.0001,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0.0001,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":0.0001,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":0.0001,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":0.0001,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":0.0001,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":0.0001,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0.0001,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0.0001,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0.0001,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.0001,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":0.0001,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":0.0001,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":0.0001,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":0.0001,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.0001,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.0001,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.0001,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.0001,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":0.0001,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":0.0001,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":0.0001,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":0.0001,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.0001,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.0001,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.0001,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.0001,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":0.0001,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":0.0001,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":0.0001,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":0.0001,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.0001,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":0.0001,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":0.0001,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":0.0001,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":0.0001,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":0.0001,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":0.0001,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":0.0001,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":0.0001,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":0.0001,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":0.0001,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0.0001,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":0.0001,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":0.0001,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":0.0001,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":0.0001,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":0.0001,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-12-31","val":0.0001,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":0.0001,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":0.0001,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":0.0001,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":0.0001,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":0.0001,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":0.0001,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":0.0001,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":0.0001,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":0.0001,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":0.0001,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":0.0001,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":0.0001,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":0.0001,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":0.0001,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":0.0001,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":0.0001,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":0.0001,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.0001,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"CommonStockSharesAuthorized":{"label":"Common Stock, Shares Authorized","description":"The maximum number of common shares permitted to be issued by an entity's charter and bylaws.","units":{"shares":[{"end":"2009-12-31","val":70000000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":70000000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":70000000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":70000000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":70000000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":70000000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":70000000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":70000000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":70000000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":70000000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":70000000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":70000000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":70000000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":70000000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":70000000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":70000000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":70000000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":70000000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":70000000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":70000000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":70000000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":70000000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":70000000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":70000000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":70000000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":70000000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":70000000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":70000000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":70000000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":70000000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":70000000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":70000000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":70000000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":70000000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":70000000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":70000000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":70000000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":70000000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":70000000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":70000000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":70000000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":70000000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":70000000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":70000000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":70000000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":70000000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":70000000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":70000000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":70000000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":70000000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":70000000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":70000000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":70000000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":70000000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":70000000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":70000000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":70000000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":70000000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":70000000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":70000000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":70000000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":70000000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":70000000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":70000000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":70000000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":70000000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":70000000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":70000000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":70000000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":70000000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":70000000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":70000000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":70000000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":70000000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":70000000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":70000000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":70000000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":70000000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":70000000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":70000000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":70000000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":70000000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":70000000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":70000000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":70000000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":70000000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":70000000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":70000000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":70000000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":70000000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":70000000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":70000000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":70000000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":70000000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":70000000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":70000000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":70000000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":70000000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":70000000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":70000000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":70000000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":70000000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":70000000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":70000000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":70000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":70000000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":70000000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-12-31","val":70000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":70000000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":70000000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":70000000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":70000000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":70000000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":70000000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":70000000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":70000000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":70000000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":70000000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":70000000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":70000000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":70000000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":70000000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":70000000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":70000000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":70000000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":70000000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"CommonStockSharesIssued":{"label":"Common Stock, Shares, Issued","description":"Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.","units":{"shares":[{"end":"2009-12-31","val":26826100,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":26826100,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":26826100,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":26970898,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":26979580,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":26973531,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":26973531,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":26973531,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":26973531,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":26973531,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":27050095,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":27062686,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":27080371,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":27658059,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":27658059,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":27658059,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":27658059,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":27658059,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":28101565,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":29178725,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":29278070,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":29928490,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":29928490,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":29928490,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":29928490,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":29928490,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":30256170,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":30306245,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":30624490,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":30937225,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":30937225,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":30937225,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":30937225,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":30937225,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":31299928,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":31620960,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":31930012,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":32232587,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":32232587,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":32232587,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":32232587,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":32232587,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":32280007,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":32314021,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":32420315,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":32421460,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":32421460,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":32421460,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":32421460,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":32421460,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":32439272,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":32888048,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":32904064,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":33332213,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":33332213,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":33332213,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":33332213,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":33332213,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":33897304,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":34306582,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":34424668,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":34758167,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":34758167,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":34758167,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":34758167,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":34758167,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":34944419,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":35724053,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":36040155,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":36501356,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":36501356,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":36501356,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":36501356,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":36501356,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":36752260,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":37559025,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":38409217,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":38925953,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":38925953,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":38925953,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":38925953,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":38925953,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":39054533,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":39317910,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":39556930,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":39676828,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":39676828,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":39676828,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":39676828,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":39676828,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":40021537,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":40396180,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":40684273,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":41268846,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":41268846,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":41268846,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":41268846,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":41268846,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":41680414,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":43566016,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":43573951,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":43575539,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":43575539,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":43575539,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":43575539,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":44242699,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":45323836,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-12-31","val":47700432,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":47700432,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":47700432,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":47700432,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":47700432,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":48010613,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":48652525,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":49206050,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":51825798,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":51825798,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":51825798,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":51825798,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":51825798,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":52265432,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":52686636,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":53348644,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":53348800,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":53348800,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":53755161,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"CommonStockSharesOutstanding":{"label":"Common Stock, Shares, Outstanding","description":"Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.","units":{"shares":[{"end":"2009-12-31","val":26826100,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":26826100,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":26826100,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":26970898,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":26979580,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":26973531,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":26973531,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":26973531,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":26973531,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":26973531,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":27050095,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":27062686,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":27080371,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":27658059,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":27658059,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":27658059,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":27658059,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":27658059,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":28101565,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":29178725,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":29278070,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":29928490,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":29928490,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":29928490,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":29928490,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":29928490,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":30256170,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":30306245,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":30624490,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":30937225,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":30937225,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":30937225,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":30937225,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":30937225,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":31299928,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":31620960,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":31930012,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":32232587,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":32232587,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":32232587,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":32232587,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":32232587,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":32280007,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":32314021,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":32420315,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":32421460,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":32421460,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":32421460,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":32421460,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":32421460,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":32439272,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":32888048,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":32904064,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":33332213,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":33332213,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":33332213,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":33332213,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":33332213,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":33897304,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":34306582,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":34424668,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":34758167,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":34758167,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":34758167,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":34758167,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":34758167,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":34944419,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":35724053,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":36040155,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":36501356,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":36501356,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":36501356,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":36501356,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":36501356,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":36752260,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":37559025,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":38409217,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":38925953,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":38925953,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":38925953,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":38925953,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":38925953,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2019-12-31","val":38925953,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2019Q4I"},{"end":"2020-03-31","val":39054533,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":39317910,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":39556930,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":39676828,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":39676828,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":39676828,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":39676828,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":39676828,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2020-12-31","val":39676828,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2020-12-31","val":39676828,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2020Q4I"},{"end":"2021-03-31","val":40021537,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":40396180,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":40684273,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":41268846,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":41268846,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":41268846,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":41268846,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":41268846,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2021-12-31","val":41268846,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2021-12-31","val":41268846,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2021Q4I"},{"end":"2022-03-31","val":41680414,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":43566016,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":43573951,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":43575539,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":43575539,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":43575539,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":43575539,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2022-12-31","val":43575539,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2022-12-31","val":43575539,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":44242699,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":45323836,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-12-31","val":47700432,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":47700432,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":47700432,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":47700432,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":47700432,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2023-12-31","val":47700432,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023Q4I"},{"end":"2024-03-31","val":48010613,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":48652525,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":49206050,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":51825798,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":51825798,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":51825798,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":51825798,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":51825798,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":52265432,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":52686636,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":53348644,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":53348800,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":53348800,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":53755161,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"CommonStockValue":{"label":"Common Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2009-12-31","val":3000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":3000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":3000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":3000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":3000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":3000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":3000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":3000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":3000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":3000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":3000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":3000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":3000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":3000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":3000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":3000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":3000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":3000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":3000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":3000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":3000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":3000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":3000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":3000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":3000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":3000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":3000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":3000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":3000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":3000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":3000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":3000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":3000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":3000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":3000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":3000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":3000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":3000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":3000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":3000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":3000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":3000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":3000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":3000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":3000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":3000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":3000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":3000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":3000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":3000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":3000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":3000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":3000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":3000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":3000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":3000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":3000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":3000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":3000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":4000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":4000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":4000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":4000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":4000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":4000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":4000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":4000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":4000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":4000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":4000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":4000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":4000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":4000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":4000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":4000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":4000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":4000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":4000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":4000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":4000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":4000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":4000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":4000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":4000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":4000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":4000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":4000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":4000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":4000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":4000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":4000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":4000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":4000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":4000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":4000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":4000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":4000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":4000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":4000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":4000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":5000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":5000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":5000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":5000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":5000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":5000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":5000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":5000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":5000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":5000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":5000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":5000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":5000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":5000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":5000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":5000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":5000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":5000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":5000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"ComprehensiveIncomeNetOfTax":{"label":"Comprehensive Income (Loss), Net of Tax, Attributable to Parent","description":"Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":18643000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":4792000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":10284000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":5492000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":15954000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":5670000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":22359000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":22359000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":5403000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":5403000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":13375000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":13375000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":7973000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":7973000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":19541000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":19541000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":6166000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":6166000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":31992000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":31992000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":31992000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":7376000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":7376000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":17137000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":17137000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":9761000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":9761000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":23903000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":23903000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":6766000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":6766000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":34636000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":34636000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":34636000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":7335000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":7335000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":14713000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":14713000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":7378000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":7378000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":33505000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":33505000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":18792000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":18792000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":43955000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":43955000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":43955000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":7395000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":7395000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":25050000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":25050000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":17655000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":17655000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":31878000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":31878000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":6828000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":6828000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":46767000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":46767000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":46767000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":16314000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":16314000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":56765000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":56765000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":40451000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":40451000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":74032000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":74032000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":17267000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":17267000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":100960000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":100960000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":100960000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":14229000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":14229000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":50135000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":50135000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":35906000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":35906000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":66243000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":66243000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":16108000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":16108000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":86536000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":86536000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":86536000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":32319000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":32319000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":51732000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":51732000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":19413000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":19413000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":75295000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":75295000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":23563000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":23563000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":89859000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":89859000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":89859000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":20216000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":20216000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":43415000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":43415000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":23199000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":23199000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":65730000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":65730000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":22315000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":22315000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":117768000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":117768000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":117768000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":7507000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":7507000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":29167000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":29167000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":21660000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":21660000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":54930000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":54930000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":25763000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":25763000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":94804000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":94804000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":94804000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":35553000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":35553000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":61848000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":61848000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":26295000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":26295000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":93944000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":93944000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":32096000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":32096000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":169611000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":169611000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":169611000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":79408000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":79408000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":132388000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":132388000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":52980000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":52980000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":187337000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":187337000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":54949000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":54949000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":221251000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":221251000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":221251000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":34428000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":34428000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":88080000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":88080000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":53652000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":53652000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":142753000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":142753000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":54673000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":54673000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":189008000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":189008000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":64538000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":64538000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":118730000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":118730000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":54192000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":54192000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":158163000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":39433000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":224816000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":52496000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":111659000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":59163000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"}]}},"ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest":{"label":"Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest","description":"Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":34302000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":27298000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":27298000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":9743000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":13945000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":19073000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":19073000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010"},{"start":"2023-01-01","end":"2023-12-31","val":189008000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-09-30","val":158163000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":39433000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":224816000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":52496000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-09-30","val":176463000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":64804000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":243806000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":96603000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"ConstructionPayableCurrentAndNoncurrent":{"label":"Construction Payable","description":"Carrying value as of the balance sheet date of obligations incurred and payable for the acquisition of merchandise, materials, supplies and services pertaining to construction projects such as a housing development or factory expansion not classified as trade payables.","units":{"USD":[{"end":"2010-12-31","val":673000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":673000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":673000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":1376000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2986000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":5928000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":5928000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":5928000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":5928000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":5928000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":6086000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":3229000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":6000000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":7170000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":7170000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":7170000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":7170000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":7170000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":7643000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":10140000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":9232000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":7679000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":7679000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":7679000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":7679000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":7679000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":11092000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":19755000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":15162000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":7920000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":7920000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":7920000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":7920000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":7920000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":5663000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":7773000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":8079000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":6215000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":6215000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":6215000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":6215000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":6215000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":5491000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":7120000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":13684000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":9844000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":9844000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":9844000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":9844000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":9844000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":14997000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":12670000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":11876000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":9699000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":9699000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":9699000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":9699000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":9699000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":18412000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":17049000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":11595000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":15410000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":15410000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":15410000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":15410000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":15410000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":16111000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":17471000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":19356000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":11766000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":11766000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":11766000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":11766000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":11766000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":13203000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":11585000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":9864000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":6427000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":6427000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":6427000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":6427000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":4004000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":7297000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":19553000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":28557000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":17529000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":17529000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":17529000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":17529000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":17529000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":18820000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":27699000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":33398000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":21305000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":21305000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":21305000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":21305000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":21305000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":31781000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":39920000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":44156000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":29487000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":29487000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":29487000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":29487000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":29487000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":22623000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":21575000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":20659000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":16388000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":16388000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":16388000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":16388000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":16388000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":22679000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":22789000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":15818000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":15919000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":15919000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":10214000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"CostOfRealEstateRevenue":{"label":"Cost of Real Estate Revenue (Deprecated 2018-01-31)","description":"This element represents the total of the costs related to real estate revenues, including management, leasing, and development services.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":47259000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":25214000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":12646000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":37925000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":12711000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":50259000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":50259000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":13524000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":26569000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":26569000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":13045000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":13045000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":39745000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":39745000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":13176000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":13176000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":51142000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":51142000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":50679000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":12460000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":12460000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":25035000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":24920000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":12575000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":12523000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":37663000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":37491000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":12628000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":12571000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":49411000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":48913000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":48911000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":13101000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":12997000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":26444000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":26332000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":13400000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":13334000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":40086000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":39912000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":13642000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":13580000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":52993000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":52891000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":52891000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":13562000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":13542000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":27246000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":27204000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":13684000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":13663000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":41833000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":41765000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":14587000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":14561000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":57885000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":57885000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":57885000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":15012000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":15012000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":30637000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":30637000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":15625000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":15625000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":46536000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":46536000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":15899000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":15899000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":62797000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":62797000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":62797000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":16413000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":16413000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":32460000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":32460000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":16047000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":16047000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":49255000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":49255000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":16795000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":16795000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":67402000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":67402000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":67402000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":17820000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":17820000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":35578000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":35578000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":17758000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":17758000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":54130000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":54130000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":18552000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":18552000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":74347000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":74347000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":19007000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":19007000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":39251000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":39251000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":20244000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":20244000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":59360000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":20109000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":80108000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":20676000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":42129000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":21453000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2"}]}},"CostOfServicesDepreciation":{"label":"Cost of Services, Depreciation (Deprecated 2018-01-31)","description":"The expense recognized in the current period that allocates the cost of a tangible asset used in providing revenue generating services over the asset's useful life.","units":{"USD":[{"start":"2010-01-01","end":"2010-06-30","val":24207000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":12132000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":36429000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":12222000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":48442000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":12089000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":24103000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":24103000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":12014000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":12014000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":36278000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":36278000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":12175000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":12175000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":48648000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":48648000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":13079000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":13079000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":25977000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":25977000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":12899000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":12899000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":38791000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":38791000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":12814000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":12814000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":51564000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":51564000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":51564000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":13057000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":13057000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":26551000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":26551000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":13494000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":13494000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":40377000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":40377000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":13826000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":13826000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":54284000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":54284000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":54284000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":13973000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":13973000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":28067000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":28067000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":14094000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":14094000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":42571000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":42571000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":14504000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":14504000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":57303000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":57303000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":57303000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":14838000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":14838000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":29558000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":29558000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":14720000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":14720000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":44503000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":44503000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":14945000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":14945000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":59882000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":59882000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":59882000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":15666000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":15666000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":31418000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":31418000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":15752000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":15752000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":47273000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":47273000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":15855000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":15855000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":63793000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":63793000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":16634000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":16634000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":33747000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":33747000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":17113000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":17113000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":51070000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":17323000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":69010000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":17927000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":36825000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":18898000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2"}]}},"CostsAndExpenses":{"label":"Costs and Expenses","description":"Total costs of sales and operating expenses for the period.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":106950000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":56266000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":28108000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":84796000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":28530000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":113283000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":113283000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":30851000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":61146000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":61146000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":30295000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":30295000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":91491000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":91491000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":30345000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":30345000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":119824000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":119824000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":118817000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":29676000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":29676000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":58964000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":58700000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":29288000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":29147000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":88635000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":88225000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":29671000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":29525000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":117805000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":116613000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":116593000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":32165000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":31866000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":63496000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":63178000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":31477000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":31312000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":95072000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":94591000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":31576000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":31413000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":125365000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":124912000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":124912000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":32570000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":32497000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":65497000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":65375000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":32927000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":32879000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":99637000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":99462000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":34140000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":34087000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":135590000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":135590000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":135590000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":35628000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":35628000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":71525000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":71525000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":35897000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":35897000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":108576000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":108576000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":37051000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":37051000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":146047000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":146047000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":146047000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":39093000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":39093000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":76936000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":76936000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":37843000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":37843000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":115142000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":115142000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":38206000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":38206000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":155947000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":155947000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":155947000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":42294000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":42294000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":82308000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":82308000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":40014000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":40014000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":122710000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":122710000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":40402000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":40402000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":165675000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":165675000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":165675000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":44710000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":44710000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":88722000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":88722000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":44012000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":44012000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":133047000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":133047000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":44325000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":44325000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":178954000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":178954000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":178954000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":45824000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":45824000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":93825000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":93825000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":48001000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":48001000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":141573000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":141573000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":47748000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":47748000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":191836000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":191836000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":191836000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":49985000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":49985000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":104807000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":104807000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":54822000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":54822000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":157814000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":157814000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":53007000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":53007000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":214815000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":214815000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":214815000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":57110000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":57110000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":115222000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":115222000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":58112000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":58112000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":174720000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":174720000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":59498000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":59498000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":234792000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":234792000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":234792000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":62499000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":62499000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":126525000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":126525000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":64026000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":64026000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":192124000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":192124000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":65599000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":65599000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":258581000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":258581000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":258581000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":71890000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":71890000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":146239000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":146239000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":74349000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":74349000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":224635000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":224635000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":78396000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":78396000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":304461000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":304461000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":304461000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":82544000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":82544000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":167139000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":167139000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":84595000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":84595000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":253945000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":253945000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":86806000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":86806000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":342447000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":342447000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":342447000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":95030000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":95030000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":189505000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":189505000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":94475000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":94475000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":287898000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":287898000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":98393000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":98393000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":385027000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":385027000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":107497000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":107497000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":214333000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":106836000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":322274000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":107941000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":433774000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":113861000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"DebtInstrumentInterestRateEffectivePercentage":{"label":"Debt Instrument, Interest Rate, Effective Percentage","description":"Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.","units":{"Percent":[{"end":"2010-12-31","val":0.0168,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-12-31","val":0.0165,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"}],"pure":[{"end":"2011-12-31","val":0.0165,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-12-31","val":0.0201,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2019-12-31","val":0.0427,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"}]}},"DebtInstrumentInterestRateStatedPercentage":{"label":"Debt Instrument, Interest Rate, Stated Percentage","description":"Contractual interest rate for funds borrowed, under the debt agreement.","units":{"pure":[{"end":"2011-09-30","val":0.0409,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"}]}},"DebtWeightedAverageInterestRate":{"label":"Debt, Weighted Average Interest Rate","description":"Weighted average interest rate of debt outstanding.","units":{"Percent":[{"end":"2010-12-31","val":0.0142,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-12-31","val":0.0141,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"}],"pure":[{"end":"2011-12-31","val":0.0141,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-12-31","val":0.0161,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":0.0161,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-12-31","val":0.0187,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":0.0187,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-12-31","val":0.0192,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":0.0192,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2014-12-31","val":0.0133,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014Q4I"},{"end":"2015-12-31","val":0.0185,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":0.0129,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2015-12-31","val":0.0129,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":0.0149,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":0.0149,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2016-12-31","val":0.0149,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016Q4I"},{"end":"2017-12-31","val":0.0207,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":0.0207,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2017-12-31","val":0.0207,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017Q4I"},{"end":"2018-12-31","val":0.0264,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":0.0264,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2018-12-31","val":0.0264,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018Q4I"},{"end":"2019-12-31","val":0.0334,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":0.0334,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2019-12-31","val":0.0334,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019Q4I"},{"end":"2020-12-31","val":0.0186,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":0.0186,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2020-12-31","val":0.0186,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020Q4I"},{"end":"2021-12-31","val":0.0101,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":0.0101,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2021-12-31","val":0.0101,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021Q4I"},{"end":"2022-12-31","val":0.0232,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":0.0232,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2022-12-31","val":0.0232,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022Q4I"},{"end":"2023-12-31","val":0.0568,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":0.0568,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2023-12-31","val":0.0568,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023Q4I"},{"end":"2024-12-31","val":0.0625,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":0.0625,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-12-31","val":0.049,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"DeferredCostsLeasingAccumulatedAmortization":{"label":"Deferred Costs, Leasing, Accumulated Amortization","description":"For an unclassified balance sheet, the accumulated amortization, as of the reporting date, which represents the periodic charge to earnings of initial direct costs which have been deferred and are being allocated over the lease term in proportion to the recognition of rental income.","units":{"USD":[{"end":"2010-12-31","val":18566000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q4I"},{"end":"2011-09-30","val":15799000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":-16603000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":16603000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":16603000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":16603000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":-17064000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":17228000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":17429000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":17543000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":17543000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":17543000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":17543000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":17543000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":17498000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":17765000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":18242000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":18855000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":18855000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":18855000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":18855000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":18855000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":19365000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":19889000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":21931000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":22951000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":22951000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":22951000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":22951000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":22951000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":21895000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":22486000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":23375000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":23455000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":23455000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":23455000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":23455000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":23455000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":23835000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":24132000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":24977000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":26340000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":26340000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":26340000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":26340000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":26340000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":25548000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":25467000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":26266000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":27973000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":27973000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":27973000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":27973000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":27973000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":27404000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":27926000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":28742000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":30185000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":30185000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":30185000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":30185000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":30185000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":31534000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":33837000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":34765000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":34963000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":34963000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":34963000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":34963000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":34963000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":36013000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":37641000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":38166000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":38371000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":38371000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":38371000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":38371000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":38371000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":38200000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":39065000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":40713000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":42193000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":42193000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":42193000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":42193000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":42193000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":43320000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":45555000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":47217000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":48249000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":48249000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":48249000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":48249000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":48249000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":50312000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":52549000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":54841000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":57646000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":57646000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":57646000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":57646000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":57646000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":59955000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":60505000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":60762000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":63179000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":63179000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":63179000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":63179000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":63179000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":64586000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":67145000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":70348000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":73553000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":73553000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":76229000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"DeferredCostsLeasingGross":{"label":"Deferred Costs, Leasing, Gross","description":"For an unclassified balance sheet, this element represents costs incurred by the lessor that are (a) costs to originate a lease incurred in transactions with independent third parties that (i) result directly from and are essential to acquire that lease and (ii) would not have been incurred had that leasing transaction not occurred and (b) certain costs directly related to specified activities performed by the lessor for that lease. Those activities are: evaluating the prospective lessee's financial condition; evaluating and recording guarantees, collateral, and other security arrangements; negotiating lease terms; preparing and processing lease documents; and closing the transaction. This amount is before considering accumulated amortization representing the periodic charge to earnings to recognize the deferred costs over the term of the related lease.","units":{"USD":[{"end":"2011-12-31","val":39297000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":39297000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":39297000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":39297000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":40549000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":41240000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":41208000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":41290000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":41290000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":41290000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":41290000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":41290000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":41815000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":43441000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":46407000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":48473000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":48473000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":48473000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":48473000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":48473000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":49454000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":50350000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":53872000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":56171000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":56171000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":56171000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":56171000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":56171000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":55862000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":56784000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":57711000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":59043000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":59043000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":59043000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":59043000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":59043000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":60415000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":61182000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":63203000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":65521000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":65521000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":65521000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":65521000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":65521000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":67572000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":68595000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":70322000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":72722000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":72722000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":72722000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":72722000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":72722000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":72343000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":73567000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":76587000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":78985000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":78985000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":78985000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":78985000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":78985000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":81051000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":85525000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":87887000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":89191000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":89191000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":89191000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":89191000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":89191000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":92507000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":93513000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":96473000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":95914000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":95914000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":95914000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":95914000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":95914000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":101140000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":106954000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":110986000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":116772000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":116772000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":116772000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":116772000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":116772000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":124493000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":130445000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":136376000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":140273000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":140273000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":140273000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":140273000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":140273000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":146185000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":150350000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":154485000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":158741000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":158741000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":158741000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":158741000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":158741000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":163486000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":166841000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":168476000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":173582000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":173582000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":173582000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":173582000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":173582000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":178564000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":180568000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":184807000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":191527000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":191527000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":192782000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"DeferredCostsLeasingNet":{"label":"Deferred Costs, Leasing, Net","description":"This element represents costs incurred by the lessor that are (a) costs to originate a lease incurred in transactions with independent third parties that (i) result directly from and are essential to acquire that lease and (ii) would not have been incurred had that leasing transaction not occurred and (b) certain costs directly related to specified activities performed by the lessor for that lease. Those activities are: evaluating the prospective lessee's financial condition; evaluating and recording guarantees, collateral, and other security arrangements; negotiating lease terms; preparing and processing lease documents; and closing the transaction. This element is net of accumulated amortization.","units":{"USD":[{"end":"2010-12-31","val":22274000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":22274000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":22274000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":22439000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":22776000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":22694000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":22694000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":22694000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":22694000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":22694000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":23485000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":24012000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":23779000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":23747000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":23747000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":23747000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":23747000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":23747000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":24317000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":25676000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":28165000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":29618000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":29618000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":29618000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":29618000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":29618000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":30089000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":30461000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":31941000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":33220000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":33220000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":33220000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":33220000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":33220000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":33967000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":34298000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":34336000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":35588000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":35588000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":35588000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":35588000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":35588000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":36580000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":37050000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":38226000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":39181000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":39181000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":39181000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":39181000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":39181000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":42024000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":43128000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":44056000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":44749000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":44749000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":44749000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":44749000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":44749000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":44939000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":45641000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":47845000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":48800000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":48800000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":48800000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":48800000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":48800000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":49517000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":51688000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":53122000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":54228000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":54228000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":54228000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":54228000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":54228000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":56494000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":55872000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":58307000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":57543000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":57543000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":57543000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":57543000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":57543000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":62940000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":67889000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":70273000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":74579000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":74579000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":74579000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":74579000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":74579000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":81173000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":84890000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":89159000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":92024000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":92024000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":92024000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":92024000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":92024000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":95873000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":97801000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":99644000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":101095000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":101095000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":101095000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":101095000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":101095000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":103531000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":106336000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":107714000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":110403000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":110403000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":110403000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":110403000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":110403000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":113978000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":113423000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":114459000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":117974000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":117974000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":116553000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"DeferredFinanceCostsGross":{"label":"Debt Issuance Costs, Gross","description":"Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.","units":{"USD":[{"end":"2011-12-31","val":7662000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2011-12-31","val":7662000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":7662000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":7662000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2012-03-31","val":8376000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":7824000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":8477000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":8476000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2012-12-31","val":8476000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":8476000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":8476000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":8476000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2013-03-31","val":8471000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":8490000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":8120000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":8050000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2013-12-31","val":8050000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":8050000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":8050000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":8050000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2014-03-31","val":8070000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":8091000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":8102000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":8166000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2014-12-31","val":8166000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":8166000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":8166000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":8166000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2015-03-31","val":8116000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":8140000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":9119000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":8788000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"}]}},"DeferredFinanceCostsNet":{"label":"Debt Issuance Costs, Net","description":"Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.","units":{"USD":[{"end":"2010-12-31","val":3358000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2010-12-31","val":3358000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":3358000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2011-06-30","val":3442000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":3195000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":3229000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2011-12-31","val":3229000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":3229000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":3229000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":3229000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2012-03-31","val":3729000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":3457000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":3822000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":3516000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2012-12-31","val":3516000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":3516000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":3516000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":3516000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2013-03-31","val":4634000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":4330000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":4201000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":4449000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2013-12-31","val":4449000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":4449000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":4449000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":4449000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2014-03-31","val":4166000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3884000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":3961000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":3712000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2014-12-31","val":3712000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":3712000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":3712000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":3712000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2015-03-31","val":3949000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":3666000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":4464000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":4328000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"}]}},"DeferredRentReceivablesNet":{"label":"Deferred Rent Receivables, Net","description":"The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property, by the lessor or lessee, respectively. Such receivable is reduced by allowances attributable to, for instance, credit risk associated with a lessee.","units":{"USD":[{"end":"2010-12-31","val":18694000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":18694000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":18694000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":19793000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":20208000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":20608000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":20608000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":20608000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":20608000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":20608000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":20981000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":21352000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":21650000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":21744000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":21744000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":21744000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":21744000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":21744000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":21851000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":22141000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":22875000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":23654000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":23654000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":23654000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":23654000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":23654000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":24262000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":24617000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":24738000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":24911000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":24911000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":24911000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":24911000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":24911000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":25221000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":25375000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":25503000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":26315000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":26315000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":26315000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":26315000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":26315000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":26897000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":26884000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":27408000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":28293000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":28293000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":28293000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":28293000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":28293000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":28829000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":29371000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":30581000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":31561000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":31561000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":31561000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":31561000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":31561000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":32493000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":33925000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":35142000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":36022000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"}]}},"DeferredRevenueLeasesCurrent":{"label":"Deferred Lease Income, Current","description":"Amount of deferred lease income, classified as noncurrent. Includes, but is not limited to, amount paid in advance by lessee.","units":{"USD":[{"end":"2020-12-31","val":1483000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"}]}},"DefinedContributionPlanCostRecognized":{"label":"Defined Contribution Plan, Cost","description":"Amount of cost for defined contribution plan.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":396000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":381000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":381000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":382000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":382000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":382000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":425000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":425000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":425000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":550000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":550000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":550000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":457000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":457000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":457000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":585000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":585000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":585000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":675000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":675000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":675000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":672000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":672000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":672000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":769000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":769000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":769000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":786000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":786000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":786000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":851000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":851000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":851000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":1106000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":1106000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":1106000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":1158000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":1158000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":1158000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":1246000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":1246000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":1246000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":1317000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":1317000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":1409000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"DefinedContributionPlanEmployerMatchingContributionPercent":{"label":"Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay","description":"Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.","units":{"pure":[{"start":"2012-01-01","end":"2012-12-31","val":0.5,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012"},{"start":"2023-01-01","end":"2023-12-31","val":0.1,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":0.1,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":0.1,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"DefinedContributionPlanEmployerMatchingContributionPercentOfMatch":{"label":"Defined Contribution Plan, Employer Matching Contribution, Percent of Match","description":"Percentage employer matches of the employee's percentage contribution matched.","units":{"pure":[{"start":"2013-01-01","end":"2013-12-31","val":0.5,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0.5,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0.5,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0.5,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0.5,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.5,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0.5,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0.5,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0.5,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":0.5,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":0.5,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":0.5,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":0.5,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"DefinedContributionPlanMaximumAnnualContributionPerEmployeePercent":{"label":"Defined Contribution Plan, Maximum Annual Contribution Per Employee, Percent (Deprecated 2013-01-31)","description":"Maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan.","units":{"pure":[{"start":"2012-01-01","end":"2012-12-31","val":0.1,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012"}]}},"Depreciation":{"label":"Depreciation","description":"The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":63793000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-09-30","val":51070000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":17323000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":69010000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":69010000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":17927000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":36825000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":18898000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":55785000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":55785000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":18960000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":18960000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":76007000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":76007000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":76007000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":19747000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":19747000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":42266000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":42266000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":22519000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":22519000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":63650000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":63650000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":21384000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":21384000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":86590000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":86590000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":86590000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":23089000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":23089000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":46902000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":46902000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":23813000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":23813000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":70989000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":70989000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":24087000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":24087000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":96290000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":96290000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":96290000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":25147000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":25147000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":51005000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":51005000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":25858000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":25858000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":77604000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":77604000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":26599000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":26599000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":104910000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":104910000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":104910000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":29392000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":29392000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":60107000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":60107000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":30715000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":30715000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":92159000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":92159000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":32052000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":32052000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":125199000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":125199000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":125199000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":33846000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":33846000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":68536000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":68536000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":34690000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":34690000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":103567000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":103567000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":35031000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":35031000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":141003000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":141003000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":141003000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":37205000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":37205000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":74851000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":74851000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":37646000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":37646000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":114897000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":114897000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":40046000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":40046000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":155240000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":155240000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":42308000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":42308000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":85401000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":43093000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":129329000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":43928000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":176180000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":45199000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"DepreciationDepletionAndAmortization":{"label":"Depreciation, Depletion and Amortization","description":"The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":51144000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":26325000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":13296000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":39898000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":13573000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":53953000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":53953000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":14717000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":29423000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":29423000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":14706000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":14706000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":44071000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":44071000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":14648000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":14648000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":58350000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":58350000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":57806000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":14247000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":14247000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":28353000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":28204000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":14106000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":14017000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":42790000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":42552000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":14437000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":14348000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":57451000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":56757000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":56739000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":15929000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":15734000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":31381000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":31175000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":15541000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":15442000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":46817000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":46510000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":15436000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":15335000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":61696000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":61345000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":61345000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":15615000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":15562000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":31943000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":31863000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":16328000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":16301000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":48891000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":48784000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":16948000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":16921000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":65789000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":65789000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":65789000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":17168000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":17168000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":34322000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":34322000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":17154000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":17154000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":52101000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":52101000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":17779000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":17779000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":70314000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":70314000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":70314000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":18142000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":18142000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":36126000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":36126000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":17984000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":17984000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":54358000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":54358000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":18232000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":18232000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":73290000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":73290000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":73290000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":19162000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":19162000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":38395000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":38395000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":19233000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":19233000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":57756000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":57756000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":19361000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":19361000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":77935000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":77935000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":77935000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":20225000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":20225000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":41090000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":41090000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":20865000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":20865000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":62101000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":62101000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":21011000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":21011000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":83874000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":83874000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":83874000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":21685000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":21685000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":44493000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":44493000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":22808000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":22808000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":67463000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":67463000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":22970000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":22970000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":91704000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":91704000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":91704000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":23746000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":23746000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":51037000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":51037000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":27291000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":27291000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":77027000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":77027000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":25990000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":25990000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":104724000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":104724000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":104724000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":27892000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":27892000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":56462000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":56462000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":28570000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":28570000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":85673000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":85673000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":29211000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":29211000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":116359000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":116359000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":116359000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":30313000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":30313000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":61662000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":61662000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":31349000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":31349000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":93925000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":93925000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":32263000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":32263000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":127099000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":127099000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":127099000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":36341000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":36341000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":73802000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":73802000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":37461000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":37461000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":113079000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":113079000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":39277000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":39277000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":153638000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":153638000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":153638000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":41014000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":41014000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":83309000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":83309000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":42295000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":125830000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":125830000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":42521000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":171078000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":171078000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":171078000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":45169000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":45169000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":90832000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":90832000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":139749000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":139749000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":189411000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":189411000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":52520000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":52520000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":105532000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":159663000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":216732000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":55497000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet":{"label":"Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31)","description":"The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.","units":{"USD":[{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2012-01-01","end":"2012-09-30","val":-655000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":-655000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3"}]}},"DevelopmentInProcess":{"label":"Development in Process","description":"The current amount of expenditures for a real estate project that has not yet been completed.","units":{"USD":[{"end":"2009-12-31","val":97594000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":97594000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":97594000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":76445000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":71912000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":73722000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":73722000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":73722000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":73722000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":73722000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":74941000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":82518000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":99261000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":112149000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":112149000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":112149000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":112149000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":112149000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":112703000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":120417000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":130533000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":148255000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":148255000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":148255000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":148255000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":148255000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":143985000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":145531000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":147489000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":148767000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":148767000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":148767000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":148767000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":148767000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":151125000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":184618000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":169623000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":179973000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":179973000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":179973000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":179973000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":179973000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":173773000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":198143000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":204981000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":170441000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":170441000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":170441000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":170441000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":170441000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":161659000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":166758000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":206820000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":293908000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":293908000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":293908000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":293908000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":293908000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":244313000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":197205000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":204197000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":242014000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":242014000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q4I"},{"end":"2018-03-31","val":238843000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2022-12-31","val":538449000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":538449000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-09-30","val":552461000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":639647000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":639647000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":639647000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":639647000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":639647000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":670250000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":693072000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":654092000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":674472000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":674472000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":674472000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":674472000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":674472000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":686102000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":678013000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":642207000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":710200000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":710200000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":698412000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax":{"label":"Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax","description":"Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-06-30","val":1869000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":1869000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":1869000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":1869000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":1869000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":1869000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":6343000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":6343000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":6343000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":798000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":798000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":798000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"}]}},"DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax":{"label":"Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax","description":"Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":2032000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":29000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":29000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2012-01-01","end":"2012-03-31","val":167000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":167000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":167000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":167000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":167000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":167000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":167000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":167000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":167000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"}]}},"DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax":{"label":"Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax","description":"Amount after tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until disposal.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":10000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-76000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":-38000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":-114000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":-38000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":-139000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":-139000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":150000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-62000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":-24000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-85000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":-23000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":269000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":276000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2012-01-01","end":"2012-03-31","val":94000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":-8000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":228000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":17000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":134000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":25000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":361000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":17000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":133000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":360000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":360000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":479000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":36000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":35000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":55000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":19000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":89000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":89000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":89000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"}]}},"DisposalGroupNotDiscontinuedOperationGainLossOnDisposal":{"label":"Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal","description":"Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":321000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":15000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":7000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":23000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":8000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":31000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":31000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":11000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":19000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":19000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":8000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":8000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":28000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":28000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":9000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":9000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":37000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":37000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":9000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":18000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":9000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":27000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":9000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":36000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"},{"start":"2021-01-01","end":"2021-12-31","val":38859000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":40999000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":40999000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":4809000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":4809000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":0,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":4809000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":0,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":17965000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":17965000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":17965000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":8751000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":8751000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":8751000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":8751000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":0,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":0,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":8751000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":8751000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":0,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":0,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":8751000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":8751000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":0,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":0,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":0,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":0,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":0,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":0,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":0,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":24885000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"DividendsCommonStockCash":{"label":"Dividends, Common Stock, Cash","description":"Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-51767000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":-53929000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":-53929000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-28157000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":-42184000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":-56215000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-56215000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":56215000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-14229000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-28301000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":-42381000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":-56666000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":56666000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":56666000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-14775000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":29738000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":45202000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":61073000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":61073000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":61073000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":16227000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":32271000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":48830000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":65535000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":65535000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":65535000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":17054000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":34062000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-09-30","val":52252000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-12-31","val":70624000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":70624000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":70624000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":18570000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":37003000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-09-30","val":56455000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-12-31","val":75906000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":75906000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":75906000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":19609000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":39272000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-09-30","val":59691000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-12-31","val":80272000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":80272000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":80272000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":20939000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":42270000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-09-30","val":64330000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-12-31","val":86560000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":86560000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":86560000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":22388000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":22388000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":22388000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-03-31","val":22388000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":45263000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":22875000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":22875000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":71328000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":26065000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":97667000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":97667000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":97667000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":26520000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":26520000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-03-31","val":26520000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-03-31","val":26520000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":26520000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-03-31","val":26520000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":27106000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":27106000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-04-01","end":"2019-06-30","val":27106000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":27106000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":28879000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":28879000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":111771000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":111771000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":111771000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":29366000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":29366000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-03-31","val":29366000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-03-31","val":29366000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2020-01-01","end":"2020-03-31","val":29366000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-03-31","val":29366000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":29551000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":29551000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-04-01","end":"2020-06-30","val":29551000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":29551000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":31322000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":31322000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":121728000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":121728000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":121728000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":31672000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":31672000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-03-31","val":31672000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-03-31","val":31672000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2021-01-01","end":"2021-03-31","val":31672000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-03-31","val":31672000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":31981000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":31981000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-04-01","end":"2021-06-30","val":31981000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":31981000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q2"},{"start":"2021-07-01","end":"2021-09-30","val":36726000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":36726000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":145946000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":145946000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":145946000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":45953000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":45953000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-03-31","val":45953000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-03-31","val":45953000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2022-01-01","end":"2022-03-31","val":45953000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-03-31","val":45953000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q1"},{"start":"2022-04-01","end":"2022-06-30","val":48034000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":48034000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-04-01","end":"2022-06-30","val":48034000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":48034000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q2"},{"start":"2022-07-01","end":"2022-09-30","val":54531000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":54531000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":203024000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":203024000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":203024000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":55414000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":55414000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-03-31","val":55414000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-03-31","val":55414000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2023-01-01","end":"2023-03-31","val":55414000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-03-31","val":55414000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q1"},{"start":"2023-04-01","end":"2023-06-30","val":56762000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":56762000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-04-01","end":"2023-06-30","val":56762000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":56762000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q2"},{"start":"2023-07-01","end":"2023-09-30","val":59154000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":59154000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":232066000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":232066000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":232066000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":61125000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":61125000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-03-31","val":61125000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-03-31","val":61125000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2024-01-01","end":"2024-03-31","val":61125000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-03-31","val":61125000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q1"},{"start":"2024-04-01","end":"2024-06-30","val":61889000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":61889000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-04-01","end":"2024-06-30","val":61889000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":61889000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q2"},{"start":"2024-07-01","end":"2024-09-30","val":68898000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":68898000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":264450000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":264450000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":73309000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":73309000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-03-31","val":73309000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-03-31","val":73309000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-04-01","end":"2025-06-30","val":73873000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":73873000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q2"},{"start":"2025-07-01","end":"2025-09-30","val":83065000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":313183000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":83617000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"DividendsPayableCurrentAndNoncurrent":{"label":"Dividends Payable","description":"Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.","units":{"USD":[{"end":"2010-12-31","val":791000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":791000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":791000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":1170000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":1292000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1415000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":1415000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":1415000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":1415000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":1415000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":1282000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1436000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1582000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1191000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":1191000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":1191000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":1191000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":1191000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1443000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1588000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1769000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1928000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":1928000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":1928000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":1928000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":1928000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1660000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1807000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1949000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":2096000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":2096000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":2096000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":2096000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":2096000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1682000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1845000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2002000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":2157000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":2157000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":2157000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":2157000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":2157000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1353000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1310000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1430000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1530000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":1530000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":1530000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":1530000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":1530000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":954000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1110000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1237000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1365000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":1365000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":1365000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":1365000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":1365000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1017000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1179000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":27244000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":27738000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":27738000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":27738000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":27738000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":27738000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":27471000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":28203000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":30133000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":30714000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":30714000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":30714000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":30714000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":30714000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":30133000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":30474000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":32395000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":32677000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":32677000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":32677000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":32677000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":32677000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":32486000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":32927000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":37816000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":46864000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":46864000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":46864000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":46864000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":46864000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":46784000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":49064000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":55785000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":55952000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":55952000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":55952000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":55952000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":55952000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":56193000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":57717000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":60322000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":62393000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":62393000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":62393000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":62393000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":62393000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":62076000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":63070000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":70275000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":74049000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":74049000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":74049000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":74049000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":74049000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":74153000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":74932000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":84341000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":84725000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":84725000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":84658000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"DividendsPreferredStockCash":{"label":"Dividends, Preferred Stock, Cash","description":"Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-1326000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"}]}},"EarningsPerShareBasic":{"label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","units":{"USD/shares":[{"start":"2008-01-01","end":"2008-12-31","val":1.31,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":0.59,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":0.28,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":0.83,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":0.24,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":1.04,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":1.04,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":0.18,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2010-01-01","end":"2010-03-31","val":0.18,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":0.35,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":0.35,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":0.17,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":0.17,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":0.17,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":0.5,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":0.5,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":0.15,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":0.15,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":0.15,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":0.68,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0.68,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":0.68,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":0.18,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":0.18,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":0.18,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-03-31","val":0.18,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2011-01-01","end":"2011-03-31","val":0.18,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0.38,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":0.38,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":0.2,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":0.2,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-04-01","end":"2011-06-30","val":0.2,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":0.2,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0.59,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":0.59,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":0.21,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":0.21,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-07-01","end":"2011-09-30","val":0.21,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":0.21,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":0.83,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":0.83,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":0.83,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":0.24,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-10-01","end":"2011-12-31","val":0.24,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":0.2,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":0.2,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-03-31","val":0.2,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2012-01-01","end":"2012-03-31","val":0.2,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":0.48,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":0.48,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":0.28,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":0.28,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-04-01","end":"2012-06-30","val":0.28,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":0.28,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":0.71,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":0.71,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":0.23,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":0.23,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-07-01","end":"2012-09-30","val":0.23,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":0.23,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":1.13,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":1.13,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":1.13,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":0.41,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-10-01","end":"2012-12-31","val":0.41,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":0.24,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":0.24,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-03-31","val":0.24,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2013-01-01","end":"2013-03-31","val":0.24,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0.49,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":0.49,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":0.25,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":0.25,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-04-01","end":"2013-06-30","val":0.25,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":0.25,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":0.77,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":0.77,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":0.28,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":0.28,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-07-01","end":"2013-09-30","val":0.28,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":0.28,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":1.08,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":1.08,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":1.08,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":0.31,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-10-01","end":"2013-12-31","val":0.31,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":0.27,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":0.27,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-03-31","val":0.27,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2014-01-01","end":"2014-03-31","val":0.27,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0.56,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":0.56,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1.13,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":1.13,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":0.56,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":0.56,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-07-01","end":"2014-09-30","val":0.56,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":0.56,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":1.53,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":1.53,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":1.53,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":0.4,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-10-01","end":"2014-12-31","val":0.4,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":0.31,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":0.31,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-03-31","val":0.31,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2015-01-01","end":"2015-03-31","val":0.31,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0.76,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":0.76,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":0.45,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":0.45,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-04-01","end":"2015-06-30","val":0.45,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":0.45,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":1.14,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":1.14,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":0.37,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":0.37,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-07-01","end":"2015-09-30","val":0.37,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":0.37,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":1.49,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":1.49,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":1.49,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":0.36,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-10-01","end":"2015-12-31","val":0.36,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":0.67,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":0.67,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-03-31","val":0.67,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2016-01-01","end":"2016-03-31","val":0.67,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2.03,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":2.03,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":1.36,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":1.36,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-04-01","end":"2016-06-30","val":1.36,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":1.36,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":2.47,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":2.47,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":0.45,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":0.45,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-07-01","end":"2016-09-30","val":0.45,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":0.45,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":2.93,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":2.93,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":2.93,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":0.46,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-10-01","end":"2016-12-31","val":0.46,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":0.38,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":0.38,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-03-31","val":0.38,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2017-01-01","end":"2017-03-31","val":0.38,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1.48,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":1.48,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":1.09,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":1.09,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-04-01","end":"2017-06-30","val":1.09,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":1.09,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":1.94,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":1.94,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":0.46,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":0.46,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-07-01","end":"2017-09-30","val":0.46,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":0.46,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":2.45,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":2.45,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":2.45,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":0.51,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-10-01","end":"2017-12-31","val":0.51,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":0.83,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":0.83,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-03-31","val":0.83,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":0.83,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1.34,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":1.34,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":0.52,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":0.52,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-04-01","end":"2018-06-30","val":0.52,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":0.52,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1.99,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":1.99,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":0.64,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":0.64,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-07-01","end":"2018-09-30","val":0.64,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":0.64,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":2.5,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":2.5,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":2.5,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":0.51,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-10-01","end":"2018-12-31","val":0.51,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":0.62,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":0.62,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-03-31","val":0.62,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":0.62,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1.35,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":1.35,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":0.73,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":0.73,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-04-01","end":"2019-06-30","val":0.73,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":0.73,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1.94,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":1.94,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":0.6,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":0.6,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-07-01","end":"2019-09-30","val":0.6,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":0.6,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":3.25,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":3.25,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":3.25,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":1.29,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-10-01","end":"2019-12-31","val":1.29,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":0.6,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":0.6,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-03-31","val":0.6,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1.2,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":1.2,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":0.6,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":0.6,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-04-01","end":"2020-06-30","val":0.6,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1.82,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":1.82,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":0.62,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":0.62,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-07-01","end":"2020-09-30","val":0.62,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":2.77,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":2.77,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":2.77,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":0.94,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":0.69,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":0.69,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":1.38,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":1.38,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":0.69,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":0.69,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":2.14,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":2.14,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":0.76,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":0.76,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":3.91,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":3.91,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":3.91,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1.54,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":1.54,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":2.63,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":2.63,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":1.09,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":1.09,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":3.49,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":3.49,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":0.87,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":0.87,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":4.37,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":4.37,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":4.37,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":1.02,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":1.02,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":1.99,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":1.99,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":0.97,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":0.97,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":3.07,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":3.07,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":1.07,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":1.07,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":4.43,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":4.43,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":4.43,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":1.23,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":1.23,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":2.37,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":2.37,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":1.15,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":1.15,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":3.5,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":3.5,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":1.13,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":1.13,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":4.67,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":4.67,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":1.14,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":1.14,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":2.35,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":1.21,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":3.61,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":1.26,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":4.88,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":1.77,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"EarningsPerShareDiluted":{"label":"Earnings Per Share, Diluted","description":"The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2008-01-01","end":"2008-12-31","val":1.3,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":0.59,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":0.28,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":0.82,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":0.24,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":1.04,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":1.04,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":0.18,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2010-01-01","end":"2010-03-31","val":0.18,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":0.35,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":0.35,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":0.17,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":0.17,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":0.17,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":0.5,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":0.5,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":0.15,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":0.15,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":0.15,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":0.68,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0.68,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":0.68,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":0.18,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":0.18,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":0.18,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-03-31","val":0.18,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2011-01-01","end":"2011-03-31","val":0.18,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0.38,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":0.38,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":0.2,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":0.2,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-04-01","end":"2011-06-30","val":0.2,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":0.2,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0.59,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":0.59,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":0.21,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":0.21,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-07-01","end":"2011-09-30","val":0.21,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":0.21,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":0.83,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":0.83,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":0.83,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":0.24,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-10-01","end":"2011-12-31","val":0.24,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":0.19,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":0.19,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-03-31","val":0.19,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2012-01-01","end":"2012-03-31","val":0.19,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":0.48,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":0.48,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":0.28,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":0.28,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-04-01","end":"2012-06-30","val":0.28,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":0.28,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":0.71,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":0.71,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":0.23,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":0.23,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-07-01","end":"2012-09-30","val":0.23,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":0.23,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":1.13,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":1.13,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":1.13,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":0.41,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-10-01","end":"2012-12-31","val":0.41,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":0.24,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":0.24,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-03-31","val":0.24,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2013-01-01","end":"2013-03-31","val":0.24,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0.49,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":0.49,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":0.25,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":0.25,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-04-01","end":"2013-06-30","val":0.25,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":0.25,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":0.77,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":0.77,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":0.28,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":0.28,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-07-01","end":"2013-09-30","val":0.28,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":0.28,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":1.08,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":1.08,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":1.08,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":0.31,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-10-01","end":"2013-12-31","val":0.31,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":0.27,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":0.27,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-03-31","val":0.27,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2014-01-01","end":"2014-03-31","val":0.27,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0.56,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":0.56,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1.13,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":1.13,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":0.56,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":0.56,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-07-01","end":"2014-09-30","val":0.56,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":0.56,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":1.52,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":1.52,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":1.52,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":0.4,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-10-01","end":"2014-12-31","val":0.4,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":0.31,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":0.31,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-03-31","val":0.31,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2015-01-01","end":"2015-03-31","val":0.31,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0.76,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":0.76,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":0.45,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":0.45,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-04-01","end":"2015-06-30","val":0.45,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":0.45,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":1.13,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":1.13,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":0.37,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":0.37,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-07-01","end":"2015-09-30","val":0.37,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":0.37,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":1.49,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":1.49,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":1.49,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":0.35,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-10-01","end":"2015-12-31","val":0.35,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":0.67,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":0.67,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-03-31","val":0.67,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2016-01-01","end":"2016-03-31","val":0.67,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2.03,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":2.03,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":1.35,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":1.35,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-04-01","end":"2016-06-30","val":1.35,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":1.35,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":2.47,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":2.47,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":0.45,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":0.45,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-07-01","end":"2016-09-30","val":0.45,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":0.45,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":2.93,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":2.93,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":2.93,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":0.46,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-10-01","end":"2016-12-31","val":0.46,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":0.38,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":0.38,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-03-31","val":0.38,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2017-01-01","end":"2017-03-31","val":0.38,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1.47,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":1.47,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":1.08,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":1.08,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-04-01","end":"2017-06-30","val":1.08,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":1.08,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":1.93,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":1.93,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":0.46,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":0.46,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-07-01","end":"2017-09-30","val":0.46,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":0.46,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":2.44,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":2.44,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":2.44,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":0.51,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-10-01","end":"2017-12-31","val":0.51,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":0.83,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":0.83,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-03-31","val":0.83,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":0.83,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1.34,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":1.34,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":0.52,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":0.52,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-04-01","end":"2018-06-30","val":0.52,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":0.52,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1.98,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":1.98,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":0.64,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":0.64,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-07-01","end":"2018-09-30","val":0.64,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":0.64,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":2.49,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":2.49,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":2.49,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":0.51,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-10-01","end":"2018-12-31","val":0.51,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":0.62,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":0.62,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-03-31","val":0.62,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":0.62,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1.35,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":1.35,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":0.73,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":0.73,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-04-01","end":"2019-06-30","val":0.73,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":0.73,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1.94,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":1.94,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":0.6,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":0.6,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-07-01","end":"2019-09-30","val":0.6,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":0.6,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":3.24,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":3.24,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":3.24,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":1.28,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-10-01","end":"2019-12-31","val":1.28,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":0.6,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":0.6,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-03-31","val":0.6,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1.2,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":1.2,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":0.6,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":0.6,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-04-01","end":"2020-06-30","val":0.6,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1.82,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":1.82,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":0.62,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":0.62,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-07-01","end":"2020-09-30","val":0.62,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":2.76,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":2.76,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":2.76,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":0.94,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":0.69,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":0.69,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":1.37,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":1.37,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":0.69,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":0.69,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":2.13,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":2.13,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":0.76,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":0.76,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":3.9,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":3.9,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":3.9,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1.54,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":1.54,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":2.62,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":2.62,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":1.09,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":1.09,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":3.48,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":3.48,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":0.87,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":0.87,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":4.36,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":4.36,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":4.36,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":1.02,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":1.02,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":1.99,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":1.99,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":0.97,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":0.97,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":3.06,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":3.06,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":1.07,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":1.07,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":4.42,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":4.42,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":4.42,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":1.22,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":1.22,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":2.37,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":2.37,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":1.14,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":1.14,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":3.49,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":3.49,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":1.13,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":1.13,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":4.66,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":4.66,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":1.14,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":1.14,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":2.35,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":1.2,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":3.6,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":1.26,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":4.87,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":1.77,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"EquityMethodInvestments":{"label":"Equity Method Investments","description":"This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.","units":{"USD":[{"end":"2009-12-31","val":2725000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":2725000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":2725000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":2747000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":2706000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":2740000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":2740000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":2740000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":2740000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":2740000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":2776000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":2743000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2740000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":2757000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":2757000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":2757000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":2757000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":2757000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":2846000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":2845000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":2794000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2743000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":2743000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":2743000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":2743000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":2743000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":2834000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":2760000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":2762000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":2764000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":2764000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":2764000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":2764000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":2764000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":2858000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":2832000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":2796000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":7884000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":7884000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":7884000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":7884000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":7884000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":7913000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":8090000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":7947000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":8004000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":8004000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":8004000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":8004000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":8004000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":8023000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":7807000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":7707000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":7681000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":7681000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":7681000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":7681000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":7681000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":7724000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":7643000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":7836000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":8029000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":8029000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":8029000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":8029000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":8029000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":7865000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":7852000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":7686000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":7870000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":7870000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":7870000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":7870000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":7870000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":7879000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":8088000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":7596000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":7805000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":7805000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":7805000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":7805000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":7805000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7613000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":7322000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":7530000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":7446000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":7446000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":7446000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":7446000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":7446000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":7646000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":7353000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":7111000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":7320000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":7320000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":7320000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":7320000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":7320000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":7598000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":7376000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":7666000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":7230000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":7230000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":7230000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":7230000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":7230000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":7507000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":7785000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":7261000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":7539000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":7539000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":7539000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":7539000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":7539000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":7816000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":7393000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":7169000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":7448000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":7448000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":7448000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":7448000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":7448000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":7401000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":7077000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":6950000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":7007000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":7007000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":6885000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"FiniteLivedIntangibleAssetAcquiredInPlaceLeases":{"label":"Finite-Lived Intangible Asset, Acquired-in-Place Leases","description":"This element represents the amount of value allocated by a lessor (acquirer) to lease agreements which exist at acquisition of a leased property. Such amount may include the value assigned to existing tenant relationships and excludes the market adjustment component of the value assigned for above or below-market leases acquired.","units":{"USD":[{"end":"2010-12-31","val":3046000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":3046000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":3046000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":2014000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2672000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":7679000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":12157000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":12157000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":12157000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":12157000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":10991000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":10758000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":10429000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":11848000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":11848000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":11848000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":11848000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":11848000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":10287000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":17511000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":17300000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":16793000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":16793000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":16793000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":16793000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":16793000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":15961000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":20380000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":19959000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":20118000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":20118000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":20118000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":20118000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":20118000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":18595000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":18322000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":17920000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":19061000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":19061000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":19061000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":19061000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":19061000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":18296000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":17642000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":19053000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":21231000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":21231000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":21231000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":21231000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":21231000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":21911000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":21956000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":21814000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":20690000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":20690000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":20690000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":20690000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":20690000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":20690000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":21556000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":21752000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":21696000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":21696000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":21696000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":21696000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":21696000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":21425000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":24537000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":26841000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":28834000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":28834000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":28834000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":28834000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":28834000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":28571000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":27883000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":26175000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":28107000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":28107000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":28107000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":28107000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":28107000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":26989000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":25862000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":29606000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":31561000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":31561000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":31561000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":31561000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":31561000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":32362000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":39992000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":39282000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":37181000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":37181000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":37181000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":37181000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":37181000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":36113000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":36115000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":38136000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":39600000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":39600000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":39600000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":39600000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":39600000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":38851000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":41691000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":43286000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":59101000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":59101000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":59101000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":59101000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":59101000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":58355000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":57689000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":65143000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":64619000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":64619000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":62813000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"FiniteLivedIntangibleAssetsAccumulatedAmortization":{"label":"Finite-Lived Intangible Assets, Accumulated Amortization","description":"Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2010-12-31","val":6443000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":6443000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":18566000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":7475000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":8136000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":16603000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2022-12-31","val":16276000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":16276000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-09-30","val":18967000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":19395000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":19395000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":19395000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":19395000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":19395000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":17858000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":19037000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":20251000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":20443000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":20443000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":20443000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":20443000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":20443000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":22916000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":25316000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":26842000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":28156000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":28156000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":27115000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpense":{"label":"Finite-Lived Intangible Assets, Amortization Expense (Deprecated 2012-01-31)","description":"Aggregate amount of intangible asset amortization recognized as expense during the period.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":2443000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":3205000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":557000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":1032000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":475000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-12-31","val":2316000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":1069000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":2046000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":977000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2"}]}},"GainLossOnDispositionOfRealEstateDiscontinuedOperations":{"label":"Gain (Loss) on Disposition of Real Estate, Discontinued Operations","description":"Amount of difference between the carrying amount and the sales price of real estate properties sold as part of discontinued operations.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":6510000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":798000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":798000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":9188000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"}]}},"GainLossOnSaleOfPropertyPlantEquipment":{"label":"Gain (Loss) on Disposition of Property Plant Equipment","description":"Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.","units":{"USD":[{"start":"2011-01-01","end":"2011-09-30","val":27000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-06-30","val":1869000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":1869000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":2036000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":1869000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3"},{"start":"2022-01-01","end":"2022-09-30","val":40999000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":4809000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"}]}},"GainLossOnSaleOfSecuritiesNet":{"label":"Gain (Loss) on Sale of Securities, Net (Deprecated 2018-01-31)","description":"The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-435000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2010"}]}},"GainsLossesOnSalesOfInvestmentRealEstate":{"label":"Gains (Losses) on Sales of Investment Real Estate","description":"The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-2353000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-15000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":-23000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":-60000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":60000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":-11000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-19000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":-19000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":-28000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":-28000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":-37000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":37000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-9000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-18000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":-27000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":36000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":167000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-12-31","val":6510000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":6510000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":798000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":95000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":7512000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":7512000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":7417000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":7417000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":9188000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":9188000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":9188000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2903000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":2903000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":2903000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":2903000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":2903000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":2903000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":2903000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":2903000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":2903000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":11332000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":11332000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":42313000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":42313000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":30981000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":30981000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":42313000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":42313000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":42170000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":42170000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":42170000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":21855000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":21855000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":21855000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":21855000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":21855000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":21855000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":21855000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":21855000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":21855000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":10222000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":10222000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":10222000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":10222000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":14273000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":14273000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":4051000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":4051000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":14273000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":14273000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":14273000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2325000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":2325000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":11406000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":11406000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":9081000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":9081000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":11406000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":11406000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":41068000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":41068000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":41068000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":13145000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":13145000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":13145000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":0,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":0,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":38859000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":38859000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":30352000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":30352000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":40999000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":40999000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":10647000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":10647000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":40999000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":40999000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":0,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":0,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":40999000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":4809000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":81000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":4809000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":446000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":0,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":4809000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":446000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":0,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":446000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":446000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":446000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":222000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":222000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":222000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":8751000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":222000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":8751000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":362000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":362000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":0,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":0,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":0,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":0,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":0,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":24885000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"GeneralAndAdministrativeExpense":{"label":"General and Administrative Expense","description":"The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":8547000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":4727000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":2166000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":6973000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":2246000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":9071000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":8894000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":2610000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":5154000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":5154000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":2544000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":2544000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":7675000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":7603000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":2521000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":2521000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":10332000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":10260000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":10260000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":2969000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":2969000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":5576000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":5576000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":2607000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":2607000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":8127000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":8127000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":2551000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":2551000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":10691000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":10691000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":10691000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":3116000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":3116000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":5652000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":5652000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":2536000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":2536000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":8105000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":8105000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":2453000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":2453000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":10488000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":10488000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":10488000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":3364000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":3364000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":6141000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":6141000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":2777000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":2777000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":8730000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":8730000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":2589000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":2589000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":11725000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":11725000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":11725000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":3448000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":3448000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":6406000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":6406000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":2958000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":2958000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":9779000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":9779000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":3373000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":3373000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":12726000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":12726000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":12726000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":4538000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":4538000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":8350000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":8350000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":3812000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":3812000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":11529000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":11529000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":3179000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":3179000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":15091000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":15091000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":15091000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":5312000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":5312000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":8335000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":8335000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":3023000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":3023000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":10663000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":10663000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":2328000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":2328000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":13232000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":13232000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":13232000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":5478000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":5478000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":8381000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":8381000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":2903000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":2903000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":11586000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":11586000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":3205000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":3205000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":14972000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":14972000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":14972000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":3463000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":3463000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":7203000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":7203000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":3740000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":3740000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":10263000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":10263000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":3060000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":3060000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":13738000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":13738000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":13738000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3844000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":3844000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":8350000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":8350000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":4506000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":4506000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":11501000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":11501000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":3151000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":3151000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":16406000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":16406000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":16406000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":3281000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":3281000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":7306000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":7306000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":4025000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":4025000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":11020000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":11020000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":3714000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":3714000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":14404000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":14404000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":14404000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4036000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":4036000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":8522000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":8522000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":4486000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":4486000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":12081000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":12081000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":3559000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":3559000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":15704000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":15704000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":15704000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":4310000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":4310000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":8536000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":8536000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":4226000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":4226000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":12503000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":12503000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":3967000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":3967000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":16362000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":16362000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":16362000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":5204000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":5204000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":9588000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":9588000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":4384000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":4384000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":13017000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":13017000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":3429000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":3429000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":16757000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":16757000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":16757000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":6681000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":6681000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":11422000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":11422000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":4741000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":4741000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":16576000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":16576000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":5154000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":5154000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":20619000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":20619000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":7954000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":7954000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":13244000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":5290000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":18851000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":5607000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":23960000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":7616000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"Goodwill":{"label":"Goodwill","description":"Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"end":"2010-12-31","val":990000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":990000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":990000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":990000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":990000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":990000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":990000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":990000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":990000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":990000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":990000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":990000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":990000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":990000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":990000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":990000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":990000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":990000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":990000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":990000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":990000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":990000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":990000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":990000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":990000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":990000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":990000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":990000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":990000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":990000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":990000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":990000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":990000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":990000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":990000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":990000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":990000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":990000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":990000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":990000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":990000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":990000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":990000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":990000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":990000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":990000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":990000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":990000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":990000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":990000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":990000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":990000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":990000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":990000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":990000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":990000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":990000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":990000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":990000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":990000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":990000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":990000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":990000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":990000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":990000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":990000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":990000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":990000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":990000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":990000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":990000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":990000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":990000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":990000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":990000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":990000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":990000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":990000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":990000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":990000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":990000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":990000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":990000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":990000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":990000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":990000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":990000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":990000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":990000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":990000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":990000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":990000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":990000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":990000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":990000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":990000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":990000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":990000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":990000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":990000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":990000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":990000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":990000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":990000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":990000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":990000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":990000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":990000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":990000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":990000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":990000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":990000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":990000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":990000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":990000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":990000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":990000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":990000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":990000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":990000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"GroundLeasesNet":{"label":"Ground Leases, Net","description":"Net long-term land leases which are capitalized as part of real property.","units":{"USD":[{"end":"2019-03-31","val":10041000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":12488000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":12275000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2020-03-31","val":11834000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":11622000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"}]}},"IncomeLossFromContinuingOperations":{"label":"Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent","description":"Amount after tax of income (loss) from continuing operations attributable to the parent.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":30092000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":14910000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":7194000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":21095000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":6185000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":26769000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":26769000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-06-30","val":9380000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":4477000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":13403000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":4023000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":18175000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":18325000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":18325000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":4792000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":10346000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":5516000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":16039000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":5693000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":22090000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":22083000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":22359000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2012-01-01","end":"2012-03-31","val":5142000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":5244000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":11111000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":11322000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":5970000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":6079000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":17749000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":18093000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":6638000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":6771000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":25514000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":25514000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":25395000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-03-31","val":7153000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":7154000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-06-30","val":14761000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-06-30","val":14797000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":7608000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":7643000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":23105000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-09-30","val":23160000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":8344000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":8363000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":31728000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":31728000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":31728000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-03-31","val":8372000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":17490000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":9118000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":35219000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":17729000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":47941000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":47941000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":47866000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"}]}},"IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest":{"label":"Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest","description":"Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":32726000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":15143000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":7264000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":21425000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":6282000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":27204000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":27204000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":9584000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":4578000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":13710000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":4126000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":18755000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":18755000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":18605000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":4902000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2011-01-01","end":"2011-03-31","val":4864000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":10579000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":5639000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":5543000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":16393000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":5814000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":5711000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":22834000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":22558000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":22565000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":6440000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":5363000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":5261000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-03-31","val":5261000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2012-01-01","end":"2012-03-31","val":5297000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":11552000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":11341000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":6190000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":6080000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-04-01","end":"2012-06-30","val":6081000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":6114000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":18449000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":18105000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":6897000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":6764000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-07-01","end":"2012-09-30","val":6764000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":6793000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":25898000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":26017000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":26017000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":7793000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-10-01","end":"2012-12-31","val":7813000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":7308000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":7307000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-03-31","val":7307000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2013-01-01","end":"2013-03-31","val":7307000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":15098000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":15062000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":7790000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":7755000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-04-01","end":"2013-06-30","val":7755000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":7755000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":23612000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":23557000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":8514000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":8495000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-07-01","end":"2013-09-30","val":8495000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":8495000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":32338000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":32338000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":32338000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":8781000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-10-01","end":"2013-12-31","val":8781000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":8514000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":8514000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-03-31","val":8514000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":17756000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":9242000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":9242000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-04-01","end":"2014-06-30","val":9242000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":35617000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":17861000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":17861000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-07-01","end":"2014-09-30","val":17861000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":48473000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":48473000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":12856000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-10-01","end":"2014-12-31","val":12856000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":10061000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q1"},{"start":"2015-04-01","end":"2015-06-30","val":14663000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q2"},{"start":"2015-07-01","end":"2015-09-30","val":12097000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":48399000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":11578000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4"},{"start":"2022-01-01","end":"2022-06-30","val":109769000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":46165000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2023-01-01","end":"2023-06-30","val":88169000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":43465000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2"},{"start":"2024-01-01","end":"2024-06-30","val":113959000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":169153000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":55194000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2025-01-01","end":"2025-03-31","val":59437000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":122750000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":189707000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":66957000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2026-01-01","end":"2026-03-31","val":94624000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"IncomeLossFromContinuingOperationsPerBasicShare":{"label":"Income (Loss) from Continuing Operations, Per Basic Share","description":"The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.","units":{"USD/shares":[{"start":"2008-01-01","end":"2008-12-31","val":1.23,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":0.59,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":0.28,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":0.83,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":0.24,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":1.04,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":0.35,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":0.17,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":0.5,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":0.15,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":0.67,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":0.68,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":0.18,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0.38,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":0.2,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0.59,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":0.21,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":0.82,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":0.82,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-03-31","val":0.19,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":0.19,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":0.4,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":0.41,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":0.21,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":0.21,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":0.63,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":0.64,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":0.23,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":0.23,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":0.89,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":0.89,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":0.89,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-03-31","val":0.24,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":0.24,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-06-30","val":0.49,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-06-30","val":0.49,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":0.25,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":0.25,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":0.77,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-09-30","val":0.77,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":0.28,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":0.28,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":1.05,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":1.05,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":1.05,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-03-31","val":0.27,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0.56,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1.13,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":0.56,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":1.53,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":1.53,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":1.49,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"}]}},"IncomeLossFromContinuingOperationsPerDilutedShare":{"label":"Income (Loss) from Continuing Operations, Per Diluted Share","description":"The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2008-01-01","end":"2008-12-31","val":1.22,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":0.59,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":0.28,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":0.82,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":0.24,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":1.04,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":0.35,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":0.17,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":0.5,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":0.15,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":0.67,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":0.68,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":0.18,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0.38,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":0.2,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0.59,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":0.21,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":0.82,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":0.82,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-03-31","val":0.18,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":0.19,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":0.4,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":0.41,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":0.21,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":0.21,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":0.63,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":0.64,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":0.23,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":0.23,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":0.89,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":0.89,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":0.89,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-03-31","val":0.24,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":0.24,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-06-30","val":0.49,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-06-30","val":0.49,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":0.25,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":0.25,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":0.77,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-09-30","val":0.77,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":0.28,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":0.28,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":1.05,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":1.05,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":1.05,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-03-31","val":0.27,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0.56,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":0.29,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1.13,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":0.56,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":1.52,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":1.52,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":1.49,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"}]}},"IncomeLossFromDiscontinuedOperationsNetOfTax":{"label":"Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest","description":"Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":2042000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-76000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":-38000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":-114000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":-38000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":-110000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":-110000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":150000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":38000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2011-01-01","end":"2011-06-30","val":-62000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":72000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q2"},{"start":"2011-04-01","end":"2011-06-30","val":-24000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":-85000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":80000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q3"},{"start":"2011-07-01","end":"2011-09-30","val":-23000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":269000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":276000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-10-01","end":"2011-12-31","val":86000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":225000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":261000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2012-01-01","end":"2012-03-31","val":261000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-03-31","val":159000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":2264000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":2053000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":1970000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":2003000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":2004000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-04-01","end":"2012-06-30","val":1894000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":2397000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":2053000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":104000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":133000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":133000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":6870000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":6870000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":6989000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-10-01","end":"2012-12-31","val":4572000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4"},{"start":"2012-10-01","end":"2012-12-31","val":4592000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-03-31","val":1000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":1000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2013-01-01","end":"2013-03-31","val":1000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-06-30","val":36000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":35000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":35000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":35000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":55000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":19000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":19000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":19000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":887000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":887000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":887000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-10-01","end":"2013-12-31","val":832000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4"},{"start":"2013-10-01","end":"2013-12-31","val":832000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q2"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q3"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-10-01","end":"2014-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"}]}},"IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity":{"label":"Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent","description":"Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":2042000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-76000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":-38000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":-114000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":-38000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":-110000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":-110000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":150000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-62000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":-24000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-85000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":-23000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":269000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":276000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2012-01-01","end":"2012-03-31","val":261000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":159000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":2264000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":2053000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":2003000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":1894000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":2397000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":2053000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":133000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":6870000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":6870000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":6989000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-03-31","val":1000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-06-30","val":36000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":35000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":55000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":19000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":887000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":887000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":887000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"}]}},"IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare":{"label":"Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share","description":"Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.","units":{"USD/shares":[{"start":"2008-01-01","end":"2008-12-31","val":0.08,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":0.01,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":0.01,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":0.01,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-03-31","val":0.01,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":0.01,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":0.08,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":0.07,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":0.07,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":0.07,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":0.08,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":0.07,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":0.24,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":0.24,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":0.24,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":0.03,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":0.03,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":0.03,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"}]}},"IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare":{"label":"Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share","description":"Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.","units":{"USD/shares":[{"start":"2008-01-01","end":"2008-12-31","val":0.08,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":0.01,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":0.01,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":0.01,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-03-31","val":0.01,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":0.08,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":0.07,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":0.07,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":0.07,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":0.08,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":0.07,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":0.24,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":0.24,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":0.24,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":0.03,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":0.03,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":0.03,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"}]}},"IncomeLossFromEquityMethodInvestments":{"label":"Income (Loss) from Equity Method Investments","description":"Amount of income (loss) for proportionate share of equity method investee's income (loss).","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":316000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":163000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":82000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":245000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":82000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":320000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":320000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-03-31","val":84000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":167000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-06-30","val":167000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":83000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-04-01","end":"2010-06-30","val":83000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":251000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-09-30","val":251000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":84000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-07-01","end":"2010-09-30","val":84000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":335000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":335000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":86000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":173000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":87000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":260000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":87000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":347000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"}]}},"IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions":{"label":"Income (Loss) from Equity Method Investments, Net of Dividends or Distributions","description":"This element represents the undistributed income (or loss) of equity method investments, net of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporations; such investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-36000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-53000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":-55000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":-60000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":1000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-22000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-06-30","val":-22000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":19000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-09-30","val":19000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":-15000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-36000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-2000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"}]}},"IncreaseDecreaseInAccountsPayableAndAccruedLiabilities":{"label":"Increase (Decrease) in Accounts Payable and Accrued Liabilities","description":"The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":3673000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-5992000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":1709000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":-3345000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":-3345000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":-7577000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-3335000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":-3335000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":3087000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":3087000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":-2268000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-2268000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":-2268000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-6067000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":-6067000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-965000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":-965000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":7042000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":7042000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":5466000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":5466000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":5466000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-11073000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":-11073000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-5020000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":-5020000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":1977000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":1977000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":-1118000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":-1118000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":-1118000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-6910000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":-6910000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":743000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":743000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":10765000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":10765000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":8906000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":8906000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":8906000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-11320000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":-11320000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-3123000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":-3123000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":8658000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":8658000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":2315000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":2315000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":2315000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-10349000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":-10349000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-4889000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":-4889000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":6765000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":6765000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":6928000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":6928000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":6928000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-15267000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":-15267000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-4149000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":-4149000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":5221000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":5221000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":5736000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":5736000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":5736000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-13671000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":-13671000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-7310000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":-7310000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":10586000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":10586000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":8333000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":8333000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":8333000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-22310000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":-22310000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-12075000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":-12075000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":13997000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":13997000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":-2682000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":-2682000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":-2682000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-5919000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":-5919000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":3792000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":3792000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":25547000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":25547000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":6514000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":6514000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":6514000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-2572000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":-2572000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":8460000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":8460000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":15642000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":15642000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":-18851000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":-18851000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":-18851000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":18842000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":18842000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":19783000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":19783000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":57099000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":57099000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":13298000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":13298000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":13298000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":9380000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":9380000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":28104000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":28104000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":52496000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":52496000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":17176000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":17176000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":17176000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":9674000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":9674000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":22291000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":22291000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":50434000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":50434000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":-5922000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":-5922000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":-5922000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":13851000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":13851000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":48621000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":48621000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":65021000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":65021000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":11130000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":11130000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":18603000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":18603000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":39014000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":68465000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":12795000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":4467000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"IncreaseDecreaseInOperatingAssets":{"label":"Increase (Decrease) in Operating Assets","description":"The increase (decrease) during the reporting period in the aggregate amount of assets used to generate operating income.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-814000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":3404000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":4164000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":1258000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":-1258000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":902000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":1699000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":1699000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":1587000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":1587000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":212000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-212000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":-212000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":240000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":-240000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":1090000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":-1090000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":1007000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":-1007000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":1425000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":1425000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":1425000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-991000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":-991000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-1573000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":-1573000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":-2832000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":-2832000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":-601000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":-601000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":-601000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":44000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":24000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-2745000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":-2765000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":-2202000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":-2222000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":1629000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":1629000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":1629000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-1768000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":-1797000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-2128000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":-2202000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":-2197000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":-2373000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":-467000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":-523000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":713000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-1687000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":-1362000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-3346000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":-2715000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":-3559000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":-2544000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":782000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":2118000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":2118000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-1504000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":-1504000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-3198000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":-3198000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":-2061000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":-2061000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":2883000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":2883000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":2883000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-1625000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":-1625000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-1539000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":-1539000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":-881000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":-881000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":5034000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":5034000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":5034000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-2239000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":-2239000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-2111000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":-2111000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":-628000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":-628000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":4091000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":4091000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":4091000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-2153000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":-2153000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-2167000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":-2167000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":-2137000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":-2137000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":5558000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":5558000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":5558000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-1090000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":-1090000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-570000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":-570000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":-944000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":-944000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":4615000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":4615000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":4615000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-577000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":-577000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":3430000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":-305000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":2688000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":2688000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":11572000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":11572000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":11572000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-1372000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":-1372000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-598000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":-598000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":2743000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":2743000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":9291000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":9291000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":9291000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-1005000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":-1005000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":13004000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":13004000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":11986000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":11986000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":15415000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":15415000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":15415000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":-4485000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":-4485000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":9820000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":9820000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":10630000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":10630000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":13410000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":13410000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":-168000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":-168000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":-3700000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":11099000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":18565000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":-9768000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"IncrementalCommonSharesAttributableToShareBasedPaymentArrangements":{"label":"Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements","description":"Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.","units":{"shares":[{"start":"2009-01-01","end":"2009-12-31","val":19000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":13000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":12000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":11000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":9000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":11000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":11000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-03-31","val":8000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":7000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-06-30","val":7000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":7000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-04-01","end":"2011-06-30","val":7000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":7000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-09-30","val":7000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":5000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-07-01","end":"2011-09-30","val":5000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":6000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":6000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":6000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2012-01-01","end":"2012-03-31","val":4000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":4000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":4000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":4000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":3000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-06-30","val":3000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":3000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":3000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":2000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-07-01","end":"2012-09-30","val":2000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":3000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":3000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":3000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-03-31","val":3000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-03-31","val":3000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-06-30","val":2000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-06-30","val":2000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":1000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-06-30","val":1000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":1000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-09-30","val":1000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":1000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":1000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014"}]}},"InterestExpense":{"label":"Interest Expense","description":"Amount of the cost of borrowed funds accounted for as interest expense.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":30192000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":15318000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":7817000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":23855000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":8537000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":32520000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":32520000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":8778000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":17670000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":-17670000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":8892000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":-8892000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":26515000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":-26515000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":8845000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":-8845000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":35171000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":35171000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":35171000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":8878000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":8878000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-17420000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":17420000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":-8542000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":8542000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-26100000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":26100000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":-8680000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":8680000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":34709000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":34709000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":34709000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":9441000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":9441000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":18418000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":18418000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":8977000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":8977000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":26844000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":26844000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":8426000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":8426000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":35371000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":35371000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":35371000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":8621000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":8621000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":17338000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":17338000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":8717000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":8717000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":26183000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":26183000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":8845000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":8845000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":35192000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":35192000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":35192000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":8986000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":8986000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":17884000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":17884000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":8898000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":8898000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":26665000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":26665000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":8781000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":8781000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":35486000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":35486000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":35486000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":8805000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":8805000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":17288000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":17288000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":8483000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":8483000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":25780000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":25780000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":8492000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":8492000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":34666000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":34666000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":34666000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":9065000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":9065000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":18237000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":18237000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":9172000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":9172000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":27078000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":27078000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":8841000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":8841000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":35213000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":35213000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":35213000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":8686000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":8686000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":17701000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":17701000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":9015000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":9015000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":26405000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":26405000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":8704000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":8704000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":34775000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":34775000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":34775000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":8607000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":8607000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":17449000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":17449000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":8842000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":8842000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":26253000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":26253000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":8804000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":8804000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":35106000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":35106000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":35106000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":8846000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":8846000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":17692000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":17692000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":8846000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":8846000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":26214000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":26214000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":8522000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":8522000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":34463000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":34463000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":34463000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":8457000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":8457000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":16803000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":16803000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":8346000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":8346000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":25150000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":25150000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":8347000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":8347000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":33927000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":33927000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":33927000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":8276000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":8276000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":16457000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":16457000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":8181000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":8181000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":24873000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":24873000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":8416000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":8416000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":32945000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":32945000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":32945000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":8110000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":8110000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":17080000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":17080000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":8970000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":8970000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":26851000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":26851000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":9771000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":9771000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":38499000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":38499000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":38499000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":13025000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":13025000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":25600000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":25600000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":12575000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":12575000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":36888000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":36888000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":11288000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":11288000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":47996000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":47996000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":47996000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":10061000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":10061000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":19893000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":19893000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":9832000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":9832000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":29764000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":29764000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":9871000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":9871000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":38956000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":38956000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":8025000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":8025000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":15715000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":7690000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":23400000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":7685000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":32113000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":9079000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"InterestPaidCapitalized":{"label":"Interest Paid, Capitalized, Investing Activities","description":"Amount of cash paid for interest capitalized, classified as investing activity.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":5856000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":1836000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":2705000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":3613000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":3613000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":839000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":1743000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":1743000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":2695000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":2695000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":3771000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":3771000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":3771000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":1042000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":1042000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":2129000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":2129000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":3362000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":3362000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":4660000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":4660000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":4660000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":1291000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":1291000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":2560000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":2560000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":3841000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":3841000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":5064000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":5064000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":5064000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1110000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":1110000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":2336000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":2336000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":3682000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":3682000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":4942000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":4942000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":4942000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":1179000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":1179000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2494000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":2494000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":3903000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":3903000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":5257000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":5257000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":5257000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":1162000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":1162000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":2353000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":2353000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":3737000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":3737000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":5340000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":5340000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":5340000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1646000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":1646000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":2958000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":2958000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":4242000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":4242000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":5765000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":5765000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":5765000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1602000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":1602000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":3003000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":3003000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":4545000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":4545000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":6334000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":6334000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":6334000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2036000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":2036000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":3921000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":3921000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":6067000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":6067,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":8453000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":8453000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":8453000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":2561000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":2561,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":5184000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":5184000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":7562,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":7562000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":9651000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":9651000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":2237,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":2237000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":4394000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":4394000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":6686000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":6686000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":9028000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":9028000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":2244000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":2244000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":4943000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":4943000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":8515000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":8515000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":12393000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":12393000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":3735000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":3735000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":7613000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":7613000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":11864000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":11864000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":16235000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":16235000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":16235000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":4853000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":4853000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":9890000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":9890000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":14797000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":14797000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":19823000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":19823000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":5160000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":5160000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":10500000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":15889000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":21730000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":5923000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"InterestPaidNet":{"label":"Interest Paid, Excluding Capitalized Interest, Operating Activities","description":"Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":29573000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":14498000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":22842000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":31297000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":31297000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":8583000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":17255000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":17255000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":25892000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":25892000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":34380000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":34380000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":34380000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":8649000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":8649000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":16871000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":16871000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":25340000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":25340000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":33671000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":33671000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":33671000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":8967000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":8967000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":17938000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":17938000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":26162000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":26162000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":34385000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":34385000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":34385000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":8257000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":8257000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":16657000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":16657000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":24852000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":24852000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":32880000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":32880000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":32880000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":9701000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":9701000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":17350000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":17350000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":26788000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":26788000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":34426000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":34426000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":34426000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":9700000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":9700000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":16985000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":16985000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":25958000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":25958000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":33164000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":33164000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":33164000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":8835000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":8835000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":17370000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":17370000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":25977000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":25977000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":33595000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":33595000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":33595000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":7721000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":7721000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":17160000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":17160000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":24978000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":24978000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":33634000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":33634000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":33634000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":7141000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":7141000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":16528000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":16528000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":23112000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":23112000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":33458000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":33458000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":33458000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":6646000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":6646000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":16266000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":16266000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":23229000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":23229000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":30839000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":30839000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":30839000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":8181000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":8181000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":16161000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":16161000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":24220000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":24220000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":32362000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":32362000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":32362000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":6503000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":6503000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":15760000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":15760000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":21599000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":21599000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":31658000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":31658000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":31658000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":5476000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":5476000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":15382000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":15382000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":21550000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":21550000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":34110000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":34110000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":34110000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":7756000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":7756000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":25019000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":25019000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":30888000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":30888000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":47228000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":47228000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":47228000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":3788000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":3788000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":18968000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":18968000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":22631000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":22631000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":37185000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":37185000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":2970000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":2970000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":14593000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":17587000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":30558000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":4430000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"InterestPayableCurrentAndNoncurrent":{"label":"Interest Payable","description":"Amount of interest payable on debt, including, but not limited to, trade payables.","units":{"USD":[{"end":"2010-12-31","val":2625000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":2625000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":2625000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":2703000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2685000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":2736000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":2736000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":2736000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":2736000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":2736000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":2958000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":2682000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":2629000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2615000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":2615000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":2615000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":2615000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":2615000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":2661000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":2660000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":2998000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":3658000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":3658000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":3658000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":3658000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":3658000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":2644000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3594000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":2626000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":3500000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":3500000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":3500000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":3500000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":3500000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":2291000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":3192000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2337000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":3704000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":3704000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":3704000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":3704000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":3704000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":3630000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":3924000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":3603000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3822000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":3822000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":3822000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":3822000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":3822000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":4481000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3746000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":4329000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3744000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":3744000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":3744000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":3744000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":3744000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":4899000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":4015000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5901000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":4067000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":4067000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":4067000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":4067000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":4067000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":5931000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":4821000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":6070000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":6370000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":6370000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":6370000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":6370000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":6370000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":6315000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":6331000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":6270000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":6537000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":6537000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":6537000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":6537000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":6537000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":7974000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":6601000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":8863000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":6547000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":6547000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":6547000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":6547000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":6547000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":8876000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":7619000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":10885000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":9597000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":9597000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":9597000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":9597000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":9597000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":14387000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":9228000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":14205000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":8493000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":8493000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":8493000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":8493000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":8493000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":14287000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":8459000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":14185000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":8351000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":8351000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":8351000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":8351000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":8351000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":12940000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":8553000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":12792000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":8041000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":8041000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":12144000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"InterestRateCashFlowHedgeAssetAtFairValue":{"label":"Interest Rate Cash Flow Hedge Asset at Fair Value","description":"Fair value as of the balance sheet date of all interest rate derivative assets designated as cash flow hedging instruments.","units":{"USD":[{"end":"2012-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-12-31","val":1692000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":1692000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":1692000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":1692000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":1692000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1494000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":816000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1361000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":812000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":812000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":812000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":812000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":812000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":94000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1585000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":0,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":400000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":400000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":400000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":400000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":400000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":270000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":0,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":4546000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":4546000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":4546000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":4546000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":4546000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":5243000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":4293000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":4183000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":6034000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":6034000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":6034000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":6034000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":6034000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":8950000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":10140000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":10693000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":6701000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":4497000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1332000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1405000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":3485000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":3485000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":3485000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":3485000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":3485000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":0,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":0,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":0,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":0,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1178000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":141000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":511000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":2237000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":2237000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":2237000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":2237000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":2237000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":17130000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":24912000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":41128000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":38352000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":38352000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":38352000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":38352000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":38352000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":30229000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":37575000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":42088000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":27366000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":27366000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":27366000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":27366000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":27366000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":31005000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":29687000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":17339000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":21953000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":21953000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":21953000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":21953000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":21953000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":16452000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":13227000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":11165000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":10500000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":10500000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":11730000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"InterestRateCashFlowHedgeLiabilityAtFairValue":{"label":"Interest Rate Cash Flow Hedge Liability at Fair Value","description":"Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.","units":{"USD":[{"end":"2011-12-31","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-09-30","val":871000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":645000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":645000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":645000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":645000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":645000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":414000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1116000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":244000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":244000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":244000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":244000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":244000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1071000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":2130000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1601000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":3314000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":3314000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":3314000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":3314000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":3314000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":5121000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":3479000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":7029000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":3960000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":3960000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":3960000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":3960000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":3960000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":9222000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":12403000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":9742000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2578000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":2578000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":2578000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":2578000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":2578000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1865000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1890000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1552000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":695000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":695000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":695000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":695000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":695000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":0,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":0,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":0,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":0,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":0,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":0,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":0,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":109000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":698000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1027000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":678000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":678000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":678000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":678000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":678000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":12983000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":14807000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":13445000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":10752000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":10752000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":10752000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":10752000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":10752000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3716000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":3942000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":2987000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":935000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":935000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":935000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":935000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":935000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":0,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":941000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":0,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":1981000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":1981000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":1981000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":1981000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":1981000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":4120000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":1264000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":0,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":2478000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":2478000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":2478000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":2478000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":2478000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":223000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":0,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":3399000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":0,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":0,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":0,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":0,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":1426000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":2337000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":2414000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":2143000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":2143000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":1394000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"InterestRateDerivativeAssetsAtFairValue":{"label":"Interest Rate Derivative Assets, at Fair Value","description":"Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.","units":{"USD":[{"end":"2012-12-31","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q4I"},{"end":"2012-12-31","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2013-06-30","val":1744000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1274000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"}]}},"InvestmentBuildingAndBuildingImprovements":{"label":"Investment Building and Building Improvements","description":"Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements.","units":{"USD":[{"end":"2010-12-31","val":985798000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":985798000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":985798000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":990681000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":1008527000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1056783000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":1056783000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":1056783000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":1056783000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":1056783000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":1069005000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1068376000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1073931000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1102597000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":1102597000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":1102597000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":1102597000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":1102597000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1120853000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1183020000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1199942000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1210318000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":1210318000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":1210318000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":1210318000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":1210318000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1221847000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1249926000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1274813000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1284961000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":1284961000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":1284961000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":1284961000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":1284961000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1300442000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1311445000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1329723000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1393688000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":1393688000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":1393688000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":1393688000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":1393688000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1406871000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1391114000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1420227000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1435309000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":1435309000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":1435309000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":1435309000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":1435309000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1506363000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1551463000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1569982000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1587130000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":1587130000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":1587130000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":1587130000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":1587130000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1605067000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1666438000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1703237000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1732592000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":1732592000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":1732592000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":1732592000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":1732592000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1762694000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1836077000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1847038000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1907963000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":1907963000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":1907963000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":1907963000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":1907963000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1952894000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2005565000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2080785000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2120731000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":2120731000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":2120731000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":2120731000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":2120731000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2171682000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":2247617000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":2365115000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":2408944000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":2408944000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":2408944000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":2408944000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":2408944000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":2473788000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":2840948000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":2911492000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":3012319000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":3012319000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":3012319000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":3012319000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":3075417000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":3139436000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-12-31","val":3336615000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":3336615000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-12-31","val":3815850000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":3815850000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-12-31","val":4173416000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"InvestmentIncomeInterest":{"label":"Investment Income, Interest","description":"Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":293000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":156000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":32000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":229000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":73000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":302000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":302000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-03-31","val":81000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":167000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-06-30","val":167000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":86000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-04-01","end":"2010-06-30","val":86000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":252000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-09-30","val":252000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":85000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-07-01","end":"2010-09-30","val":85000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":336000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":336000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":83000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":167000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":84000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":251000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":84000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":334000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"}]}},"Land":{"label":"Land","description":"Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.","units":{"USD":[{"end":"2010-12-31","val":221523000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":221523000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":221523000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":221523000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":226398000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":235394000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":235394000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":235394000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":235394000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":235394000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":237851000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":237907000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":240486000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":244199000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":244199000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":244199000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":244199000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":244199000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":246347000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":262063000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":264687000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":265871000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":265871000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":265871000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":265871000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":265871000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":267906000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":274860000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":278642000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":283116000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":283116000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":283116000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":283116000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":283116000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":286210000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":286708000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":289039000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":301435000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":301435000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":301435000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":301435000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":301435000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":301909000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":297276000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":306518000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":308931000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":308931000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":308931000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":308931000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":308931000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":320555000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":337311000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":341141000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":345424000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":345424000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":345424000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":345424000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":345424000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":349516000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":368807000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":376658000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":380684000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":380684000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":380684000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":380684000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":380684000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":388788000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":416415000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":418346000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":452698000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":452698000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":452698000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":452698000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":452698000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":458270000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":466832000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":488698000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":502739000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":502739000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":502739000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":502739000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":502739000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":510838000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":526326000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":533792000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":544505000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":544505000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":544505000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":544505000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":544505000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":560512000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":689195000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":703282000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":730445000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":730445000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":730445000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":730445000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":730445000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":738856000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":776357000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":808077000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":814364000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":814364000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":814364000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":814364000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":814364000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":835795000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":850349000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":876198000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":888140000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":888140000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":888140000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":888140000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":888140000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":891539000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":905877000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":944472000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":951787000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":951787000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":948352000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"Liabilities":{"label":"Liabilities","description":"Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.","units":{"USD":[{"end":"2009-12-31","val":731422000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":731422000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":731422000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":758557000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":765190000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":771770000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":771770000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":771770000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":771770000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":771770000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":778081000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":784431000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":824202000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":880907000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":880907000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":880907000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":880907000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":880907000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":878121000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":835067000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":841212000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":862926000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":862926000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":862926000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":862926000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":862926000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":866216000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":957810000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":961963000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":954707000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":954707000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":954707000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":954707000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":954707000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":952112000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1007837000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1000523000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1000209000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":1000209000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":1000209000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":1000209000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":1000209000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1016472000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1037061000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1058043000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1107031000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":1102703000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":1102703000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":1102703000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":1102703000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1102999000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1047359000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1113413000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1183898000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":1183898000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":1183898000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":1183898000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":1183898000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1181449000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1149869000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1167819000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1202091000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":1202091000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":1202091000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":1202091000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":1202091000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1188109000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1181025000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1219234000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1227002000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":1227002000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":1227002000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":1227002000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":1227002000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1250172000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1286478000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1291774000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1343749000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":1343749000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":1343749000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":1343749000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":1343749000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1412399000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1405721000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1391068000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1450285000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":1450285000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":1450285000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":1450285000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":1450285000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1440123000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1482291000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1565270000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1643876000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":1643876000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":1643876000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":1643876000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":1643876000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1670346000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1865643000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1972137000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":2082398000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":2082398000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":2082398000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":2082398000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":2082398000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":2044079000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":1990407000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":1975589000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":1910579000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":1910579000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":1910579000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":1910579000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":1910579000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":1917646000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":1947746000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":1921374000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":1784932000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":1784932000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":1784932000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":1784932000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":1784932000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":1762821000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":1782497000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":1845721000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":1935219000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":1935219000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":1913284000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"LiabilitiesAndStockholdersEquity":{"label":"Liabilities and Equity","description":"Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.","units":{"USD":[{"end":"2009-12-31","val":1178518000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":1178518000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":1178518000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":1188119000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":1185495000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":1183276000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":1183276000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":1183276000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":1183276000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":1183276000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":1180875000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":1179697000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":1212193000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1286516000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":1286516000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":1286516000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":1286516000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":1286516000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":1292641000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1296230000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1299072000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1354102000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":1354102000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":1354102000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":1354102000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":1354102000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1363655000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1452575000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1465647000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1473412000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":1473412000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":1473412000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":1473412000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":1473412000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1480930000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1548608000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1562977000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1575824000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":1575824000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":1575824000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":1575824000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":1575824000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1581279000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1603483000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1619908000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1666232000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":1661904000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":1661904000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":1661904000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":1661904000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1659282000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1654848000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1718443000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1825764000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":1825764000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":1825764000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":1825764000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":1825764000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1856430000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1870715000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1893993000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1953221000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":1953221000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":1953221000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":1953221000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":1953221000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1962785000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2021726000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2089165000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2131705000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":2131705000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":2131705000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":2131705000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":2131705000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2171646000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2295380000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2400444000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2546078000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":2546078000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":2546078000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":2546078000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":2546078000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2604762000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2622518000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2635686000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2720803000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":2720803000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":2720803000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":2720803000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":2720803000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2756921000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":2855622000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":2985010000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":3215336000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":3215336000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":3215336000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":3215336000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":3215336000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":3344735000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":3851717000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":3962323000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":4035837000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":4035837000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":4035837000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":4035837000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":4035837000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":4080461000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":4204128000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":4354854000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":4519213000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":4519213000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":4519213000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":4519213000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":4519213000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":4577005000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":4714693000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":4754065000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":5077476000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":5077476000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":5077476000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":5077476000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":5077476000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":5107978000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":5189608000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":5354755000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":5431807000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":5431807000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":5490264000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"LineOfCreditFacilityAverageOutstandingAmount":{"label":"Line of Credit Facility, Average Outstanding Amount","description":"Average amount borrowed under the credit facility during the period.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":122942000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":124697000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":124697000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":85113000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":85113000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":112971000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":112971000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":96162000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":96162000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":96162000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":109777000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":109777000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":109777000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":106352000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":106352000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":106352000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":114751000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":114751000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":114751000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":141223000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":141223000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":141223000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":172175000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":172175000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":172175000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":87095000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":87095000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":87095000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":95629000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":95629000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":95629000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":182478000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":182478000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":182478000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":49384000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":49384000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":49384000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":1776000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":1776000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":26822000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"LoansAndLeasesReceivableConsumerRealEstate":{"label":"Loans and Leases Receivable, Gross, Consumer, Real Estate (Deprecated 2019-01-31)","description":"Amount before allowance of consumer real estate loans. Includes, but not limited to, construction financing, residential mortgage loans, and home equity lines of credit. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.","units":{"USD":[{"end":"2011-12-31","val":4154000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":4154000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":4154000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":4154000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":4150000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":4150000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":4150000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":9357000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":9357000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":9357000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":9357000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":9357000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":9330000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":9304000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":9278000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":8894000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":8894000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":8894000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":8894000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":8894000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":8854000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":8816000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":8776000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":4991000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":4991000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":4991000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":4991000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":4991000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":4962000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":4934000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":4904000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":4875000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":4875000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":4875000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":4875000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":4875000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":4845000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":4815000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":4784000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":4752000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":4752000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":4752000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":4752000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":4752000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":4720000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":4688000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":4656000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":4581000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":4581000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":4581000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":4581000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":4581000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2623000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2623000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2604000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2594000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive":{"label":"Long-Term Debt, Maturity, after Year Five","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2015-03-31","val":383471000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2025-06-30","val":735000000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":735000000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2026-03-31","val":685000000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths":{"label":"Long-Term Debt, Maturity, Year One","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2011-12-31","val":68673000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":57915000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":48862000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":102372000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":92808000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2025-06-30","val":140000000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":140000000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2026-03-31","val":175000000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive":{"label":"Long-Term Debt, Maturity, Year Five","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2011-12-31","val":90626000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":58145000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":141218000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":130569000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour":{"label":"Long-Term Debt, Maturity, Year Four","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2011-12-31","val":100279000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":92716000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":58145000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":141316000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":130568000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2025-06-30","val":155000000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":155000000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2026-03-31","val":300000000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree":{"label":"Long-Term Debt, Maturity, Year Three","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2011-12-31","val":96993000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":102287000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":92717000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":58239000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":141316000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2025-06-30","val":160000000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":160000000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2026-03-31","val":155000000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo":{"label":"Long-Term Debt, Maturity, Year Two","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2011-12-31","val":60164000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":98920000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":102287000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":92808000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":58239000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2025-06-30","val":175000000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":175000000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2026-03-31","val":160000000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear":{"label":"Long-Term Debt, Maturity, Remainder of Fiscal Year","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in remainder of current fiscal year.","units":{"USD":[{"end":"2015-03-31","val":39244000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2025-06-30","val":95000000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":75000000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2026-03-31","val":140000000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"LossContingencyAccrualAtCarryingValue":{"label":"Loss Contingency Accrual","description":"Amount of loss contingency liability.","units":{"USD":[{"end":"2018-12-31","val":497000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":497000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":497000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":497000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2018-12-31","val":497000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2018-12-31","val":497000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2018-12-31","val":497000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018Q4I"},{"end":"2019-03-31","val":497000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2019-03-31","val":497000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2019-03-31","val":497000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-03-31","val":497000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-03-31","val":497000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-03-31","val":497000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q1I"},{"end":"2019-06-30","val":497000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2019-06-30","val":497000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q2I"},{"end":"2019-12-31","val":497000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q4I"}]}},"LossOnCashFlowHedgeIneffectiveness":{"label":"Loss on Cash Flow Hedge Ineffectiveness","description":"The loss recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness.","units":{"USD":[{"start":"2012-07-01","end":"2012-09-30","val":269000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":269000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012"}]}},"MarketableSecuritiesRealizedGainLoss":{"label":"Marketable Securities, Realized Gain (Loss)","description":"Amount of realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":435000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2010"}]}},"MinorityInterest":{"label":"Stockholders' Equity Attributable to Noncontrolling Interest","description":"Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).","units":{"USD":[{"end":"2009-12-31","val":2577000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":2577000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":2577000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":2603000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":2587000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":2650000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":2650000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":2650000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":2650000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":2650000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":2671000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":2709000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2745000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":2780000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":2780000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":2780000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":2780000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":2780000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":2814000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":2790000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":2767000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":4864000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":4864000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":4864000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":4864000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":4864000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":4823000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":4775000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":4737000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":4707000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":4707000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":4707000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":4707000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":4707000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":4660000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":4596000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":4540000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":4486000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":4486000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":4486000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":4486000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":4486000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":4436000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":4400000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":4363000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":4339000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":4339000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":4339000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":4339000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":4339000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":4288000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":4298000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":4227000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":4205000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":4205000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":4205000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":4205000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":4205000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":4339000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":4332000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":4326000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1658000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":1658000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":1658000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":1658000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":1658000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1628000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1622000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1610000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1644000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":1644000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":1644000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":1644000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":1644000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1606000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1559000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2188000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1765000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":1765000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":1765000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":1765000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":1765000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1732000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1716000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1698000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":880000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":880000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":880000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":880000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":880000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":887000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":890000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":842000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1390000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":1390000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":1390000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":1390000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":1390000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1356000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1351000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1286000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":441000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":441000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":441000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":441000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":441000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":415000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":344000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":301000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":307000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":307000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":307000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":307000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":307000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":316000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":257000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":247000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":365000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":365000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":365000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":365000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":365000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":287000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":243000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":332000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":387000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":387000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":387000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders":{"label":"Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders","description":"Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-402000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":-394000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":-394000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-178000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":-297000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":-357000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-357000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":357000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-89000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-174000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":-259000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":-345000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":345000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":345000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-85000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":220000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":369000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":537000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":537000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":537000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":195000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":390000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":579000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":767000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":767000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":767000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":189000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":377000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-09-30","val":565000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-12-31","val":753000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":753000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":753000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":181000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":347000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-09-30","val":513000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-12-31","val":680000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":680000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":680000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":170000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":340000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-09-30","val":550000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-12-31","val":719000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":719000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":719000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":120000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":214000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-09-30","val":308000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-12-31","val":478000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":478000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":478000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":65000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":65000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":65000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-03-31","val":65000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":108000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":43000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":43000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":151000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":43000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":194000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":194000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":-194000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":43000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":43000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-03-31","val":43000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-03-31","val":43000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":43000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-03-31","val":43000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":43000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":43000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-04-01","end":"2019-06-30","val":43000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":43000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":43000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":43000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":2378000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":-2378000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":2378000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":34000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":34000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-03-31","val":34000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-03-31","val":34000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2020-01-01","end":"2020-03-31","val":34000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-03-31","val":34000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":19000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":19000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-04-01","end":"2020-06-30","val":19000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":19000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":28000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":28000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-115000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":115000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":115000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":11000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":11000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-03-31","val":11000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-03-31","val":11000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2021-01-01","end":"2021-03-31","val":11000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-03-31","val":11000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":12000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":12000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-04-01","end":"2021-06-30","val":12000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":12000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q2"},{"start":"2021-07-01","end":"2021-09-30","val":69000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":69000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":150000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":150000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":-150000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":58000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":58000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-03-31","val":58000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-03-31","val":-58000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2022-01-01","end":"2022-03-31","val":58000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-03-31","val":58000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q1"},{"start":"2022-04-01","end":"2022-06-30","val":31000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":31000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-04-01","end":"2022-06-30","val":31000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":31000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q2"},{"start":"2022-07-01","end":"2022-09-30","val":90000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":90000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":220000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":-220000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":-220000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-40000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":40000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-03-31","val":40000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-03-31","val":40000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2023-01-01","end":"2023-03-31","val":40000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-03-31","val":40000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q1"},{"start":"2023-04-01","end":"2023-06-30","val":86000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":86000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-04-01","end":"2023-06-30","val":86000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":86000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q2"},{"start":"2023-07-01","end":"2023-09-30","val":57000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":57000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":-191000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":-191000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":191000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":67000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":67000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-03-31","val":67000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-03-31","val":67000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2024-01-01","end":"2024-03-31","val":67000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-03-31","val":67000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q1"},{"start":"2024-04-01","end":"2024-06-30","val":73000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":73000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-04-01","end":"2024-06-30","val":73000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":73000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q2"},{"start":"2024-07-01","end":"2024-09-30","val":24000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":24000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":-173000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":173000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":92000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":92000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-03-31","val":92000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-03-31","val":92000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-04-01","end":"2025-06-30","val":58000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":58000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q2"},{"start":"2025-07-01","end":"2025-09-30","val":8000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":158000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"MinorityInterestDecreaseFromRedemptions":{"label":"Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests","description":"Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":4704000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":4704000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":136000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":136000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":-136000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-07-01","end":"2019-09-30","val":668000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-18603000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":-18603000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":-18603000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2024-01-01","end":"2024-03-31","val":62000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2024-01-01","end":"2024-03-31","val":62000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-03-31","val":62000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q1"},{"start":"2025-07-01","end":"2025-09-30","val":83000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"}]}},"MortgageLoansOnRealEstate":{"label":"SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate","description":"Amount of investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.","units":{"USD":[{"end":"2008-12-31","val":4174000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2008Q4I"},{"end":"2009-12-31","val":4155000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009Q4I"},{"end":"2010-12-31","val":4131000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-12-31","val":4110000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2018-12-31","val":2594000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1679000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"}]}},"MortgageLoansOnRealEstateAmortizationOfPremium":{"label":"SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Amortization of Premium","description":"Amount of decrease in investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from amortization of premium.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-120000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-61000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":-91000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":-122000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":-31000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-62000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-06-30","val":-62000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":-93000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-09-30","val":-93000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":-124000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-31000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-63000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":-94000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"}]}},"MortgageLoansOnRealEstateCarryingAmountOfMortgages":{"label":"Mortgage Loans on Real Estate, Carrying Amount of Mortgages (Deprecated 2018-01-31)","description":"The carrying amount of the outstanding balance due under the mortgage loan.","units":{"USD":[{"end":"2011-12-31","val":4110000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":9323000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":8870000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":4991000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":4875000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":4752000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":4581000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"}]}},"MortgageLoansOnRealEstateCollectionsOfPrincipal":{"label":"Mortgage Loans on Real Estate, Collections of Principal","description":"The amount of principal collected on mortgage loans on real estate during the reporting period.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":31000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":37000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":33000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"}]}},"MortgageLoansOnRealEstateCommercialAndConsumerNet":{"label":"Mortgage Loans on Real Estate, Commercial and Consumer, Net","description":"The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.","units":{"USD":[{"end":"2010-12-31","val":4131000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2010-12-31","val":4131000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":4131000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2011-06-30","val":4122000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":4114000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":4110000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2011-12-31","val":4110000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":4110000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":4110000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":4110000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2012-03-31","val":4109000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":4112000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":4114000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":9323000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2012-12-31","val":9323000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":9323000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":9323000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":9323000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2013-03-31","val":9300000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":9277000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":9253000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":8870000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2013-12-31","val":8870000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":8870000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":8870000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":8870000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2014-03-31","val":8833000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":8798000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":8760000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":4991000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"}]}},"MortgageLoansOnRealEstateFaceAmountOfMortgages":{"label":"Mortgage Loans on Real Estate, Face Amount of Mortgages","description":"Amount of the contractual principal due at the origination of the mortgage loan (face amount).","units":{"USD":[{"end":"2011-12-31","val":4153000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":9357000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":8894000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":4991000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":4875000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":4752000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":4581000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"}]}},"MortgageLoansOnRealEstateNumberOfLoans":{"label":"Mortgage Loans on Real Estate, Number of Loans","description":"Indicates the number of mortgages under each classification.","units":{"pure":[{"start":"2011-01-01","end":"2011-12-31","val":2,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":3,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":3,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":2,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":2,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":2,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":2,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017"}]}},"MortgageLoansOnRealEstatePeriodicPaymentTermsBalloonPaymentAmount":{"label":"Mortgage Loans on Real Estate, Periodic Payment Terms, Balloon Payment Amount (Deprecated 2013-01-31)","description":"The required large, lump sum payment amount on final maturity date.","units":{"USD":[{"end":"2016-08-08","val":3460000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2016Q2I"}]}},"MortgageLoansOnRealEstatePeriodicPaymentTermsBalloonPaymentToBeReceived":{"label":"Mortgage Loans on Real Estate, Periodic Payment Terms, Balloon Payment to be Received","description":"Amount of large payment to be received at final maturity date of mortgage loans.","units":{"USD":[{"end":"2016-10-08","val":3456000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2016Q3I"}]}},"MortgageLoansOnRealEstatePrincipalAmountOfDelinquentLoans":{"label":"Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans","description":"Amount of principal due on loans that have been delinquent, which may exclude loans having interest delinquent for three months or less, as of the balance sheet date.","units":{"USD":[{"end":"2012-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":0,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":0,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"}]}},"NetCashProvidedByUsedInFinancingActivities":{"label":"Net Cash Provided by (Used in) Financing Activities","description":"Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":63628000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":9482000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":-1375000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":509000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":509000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":15373000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":2870000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":2870000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":-13207000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":-13207000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":-14282000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-14282000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":-14282000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-3261000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":-3261000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-15609000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":-15609000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":606000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":606000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":64323000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":64323000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":64323000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":9350000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":9350000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-3982000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":-3982000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":-13921000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":-13921000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":29184000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":29184000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":29184000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":5051000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":5051000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":68331000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":68331000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":66339000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":66339000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":65111000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":65111000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":65111000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":5152000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":5152000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":42978000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":42978000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":31489000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":31489000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":42116000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":42116000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":43352000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":5187000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":5512000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":833000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":1464000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":-8792000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":-7777000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":25070000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":26406000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":26406000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-11925000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":-11925000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-78280000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":-78280000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":-42910000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":-42910000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":48082000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":48082000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":48082000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":20076000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":20076000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-7279000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":-7279000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":-18461000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":-18461000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":23906000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":23906000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":23906000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-10476000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":-10476000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":9527000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":9527000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":36388000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":36388000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":77062000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":77062000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":77062000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":8905000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":8905000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":86407000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":86407000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":137046000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":137046000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":247275000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":247275000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":247275000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":47632000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":47632000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":29859000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":29859000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":9870000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":9870000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":91768000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":91768000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":91768000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-14856000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":-14856000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":42679000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":42679000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":79575000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":79575000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":277143000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":277143000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":277143000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":33206000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":33206000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":86148000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":86148000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":109458000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":109458000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":200310000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":200310000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":200310000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-19304000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":-19304000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":31050000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":31050000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":89678000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":89678000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":272063000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":272063000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":272063000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":-18306000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":-18306000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":30356000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":30356000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":10797000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":10797000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":285021000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":285021000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":-54608000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":-54608000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":-53791000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":14624000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":79025000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":-39800000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"NetCashProvidedByUsedInInvestingActivities":{"label":"Net Cash Provided by (Used in) Investing Activities","description":"Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-152182000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-47945000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":-67084000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":-80324000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":-80324000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":-29782000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-42004000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":-42004000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":-51516000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":-51516000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":-63501000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-63501000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":-63501000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-10825000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":-10825000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-24714000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":-24714000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":-69222000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":-69222000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":-150833000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":-150833000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":-150833000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-21739000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":-21739000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-37635000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":-37635000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":-58409000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":-58409000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":-119908000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":-119908000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":-119908000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-23526000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":-23546000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-122373000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":-122393000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":-155969000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":-155989000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":-176111000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":-176111000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":-176111000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-20891000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":-20920000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-96699000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":-96773000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":-126089000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":-126265000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":-159514000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":-159570000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":-159570000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-26446000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":-26446000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-60493000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":-60493000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":-94452000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":-94452000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":-156418000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":-156418000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-156418000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-6764000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":-6764000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":13822000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":13822000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":-64057000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":-64057000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":-186472000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":-186472000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":-186472000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-44367000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":-44367000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-60360000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":-60360000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":-104757000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":-104757000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":-179426000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":-179426000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":-179426000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-11217000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":-11217000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-83025000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":-83025000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":-178142000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":-178142000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":-241435000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":-241435000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":-241435000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-48930000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":-48930000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-184842000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":-184842000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":-307986000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":-307986000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":-443337000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":-443337000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":-443337000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-98624000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":-98624000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-146661000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":-146661000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":-189682000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":-189682000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":-288256000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":-288256000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":-288256000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-63919000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":-63919000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-141810000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":-145545000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":-320515000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":-320515000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":-529263000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":-529263000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":-529263000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-114145000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":-114145000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-261138000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":-261138000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":-385554000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":-385554000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":-521148000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":-521148000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":-521148000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-64823000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":-64823000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":-208803000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":-208803000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":-389459000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":-389459000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":-570058000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":-570058000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":-570058000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":-123232000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":-123232000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":-270980000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":-270980000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":-396796000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":-396796000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":-724342000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":-724342000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":-76114000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":-76114000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":-207898000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":-445158000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":-576281000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":-72195000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"NetCashProvidedByUsedInOperatingActivities":{"label":"Net Cash Provided by (Used in) Operating Activities","description":"Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":88123000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":39571000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":68290000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":80584000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":80584000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":13496000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":38213000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":38213000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":63815000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":63815000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":76858000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":76858000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":76858000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":14057000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":14057000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":40286000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":40286000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":68926000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":68926000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":86547000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":86547000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":86547000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":12420000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":12420000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":41561000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":41561000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":73183000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":73183000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":91808000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":91808000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":91808000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":17241000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":17261000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":52794000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":52814000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":88579000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":88599000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":109750000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":109750000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":109750000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":17611000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":17640000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":53732000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":53806000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":94915000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":95091000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":117401000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":117457000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":116221000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":21421000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":21096000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":59662000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":59031000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":103575000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":102560000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":131385000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":130049000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":130049000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":18653000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":18653000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":64420000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":64420000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":106952000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":106952000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":138864000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":138864000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":138864000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":23813000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":23813000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":67195000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":67195000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":122706000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":122706000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":155014000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":155014000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":155014000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":21714000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":21714000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":73734000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":73734000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":141995000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":141995000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":164731000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":164731000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":164731000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":41482000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":41482000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":98387000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":98387000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":170696000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":170696000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":195912000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":195912000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":195912000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":51439000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":51439000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":116682000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":116682000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":179607000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":179607000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":196285000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":196285000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":196285000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":78822000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":78822000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":137675000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":141410000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":241166000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":241166000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":256492000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":256492000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":256492000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":82264000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":82264000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":176152000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":176152000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":276551000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":276551000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":316501000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":316501000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":316501000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":93461000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":93461000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":178779000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":178779000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":300099000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":300099000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":338202000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":338202000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":338202000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":116900000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":116900000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":239761000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":239761000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":362693000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":362693000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":416587000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":416587000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":133708000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":133708000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":277081000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":415986000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":480734000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":142346000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"NetIncomeLoss":{"label":"Net Income (Loss) Attributable to Parent","description":"The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":34142000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":14834000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":7156000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":20981000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":6147000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":26659000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":9380000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":4477000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":13403000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":4023000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":18325000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2010"},{"start":"2021-01-01","end":"2021-12-31","val":157638000,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":186274000,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":200548000,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":227807000,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":257458000,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2025"}]}},"NetIncomeLossAttributableToNoncontrollingInterest":{"label":"Net Income (Loss) Attributable to Noncontrolling Interest","description":"Amount of Net Income (Loss) attributable to noncontrolling interest.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":626000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":233000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":70000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":330000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":97000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":435000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":435000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":103000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2010-01-01","end":"2010-03-31","val":-103000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":204000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":-204000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":101000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":-101000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":-101000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":307000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":-307000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":103000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":-103000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":-103000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":430000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":430000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":430000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":-123000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":110000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":-110000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-03-31","val":110000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2011-01-01","end":"2011-03-31","val":110000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-233000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":233000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":-123000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":-123000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-04-01","end":"2011-06-30","val":123000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":123000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":-354000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":354000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":-121000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":-121000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-07-01","end":"2011-09-30","val":121000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":121000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":475000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":475000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":-475000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":-121000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-10-01","end":"2011-12-31","val":121000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":119000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":119000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-03-31","val":119000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2012-01-01","end":"2012-03-31","val":119000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":230000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":230000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":111000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":111000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-04-01","end":"2012-06-30","val":111000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":111000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":356000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":356000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":126000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":126000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-07-01","end":"2012-09-30","val":126000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":126000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":503000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":503000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":503000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":147000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-10-01","end":"2012-12-31","val":147000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":154000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":154000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-03-31","val":154000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2013-01-01","end":"2013-03-31","val":154000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":301000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":301000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":147000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":147000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-04-01","end":"2013-06-30","val":147000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":147000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":452000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":452000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":151000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":151000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-07-01","end":"2013-09-30","val":151000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":151000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":610000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":610000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":610000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":158000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-10-01","end":"2013-12-31","val":158000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":142000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":142000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-03-31","val":142000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2014-01-01","end":"2014-03-31","val":142000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":266000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":266000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":124000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":124000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-04-01","end":"2014-06-30","val":124000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":124000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":398000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":398000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":132000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":132000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-07-01","end":"2014-09-30","val":132000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":132000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":532000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":532000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":532000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":134000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-10-01","end":"2014-12-31","val":134000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":131000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":131000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-03-31","val":131000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2015-01-01","end":"2015-03-31","val":131000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":261000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":261000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":130000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":130000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-04-01","end":"2015-06-30","val":130000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":130000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":390000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":390000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":129000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":129000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-07-01","end":"2015-09-30","val":129000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":129000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":533000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":533000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":533000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":143000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-10-01","end":"2015-12-31","val":143000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":119000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":119000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-03-31","val":119000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2016-01-01","end":"2016-03-31","val":119000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":299000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":299000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":180000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":180000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-04-01","end":"2016-06-30","val":180000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":180000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":438000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":438000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":139000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":139000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-07-01","end":"2016-09-30","val":139000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":139000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":585000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":585000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":585000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":147000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-10-01","end":"2016-12-31","val":147000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":154000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":154000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-03-31","val":154000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2017-01-01","end":"2017-03-31","val":154000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":241000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":241000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":87000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":87000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-04-01","end":"2017-06-30","val":87000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":87000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":329000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":329000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":88000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":88000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-07-01","end":"2017-09-30","val":88000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":88000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":406000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":406000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":406000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":77000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-10-01","end":"2017-12-31","val":77000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":35000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":35000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-03-31","val":35000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":35000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":72000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":72000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":37000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":37000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-04-01","end":"2018-06-30","val":37000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":37000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":103000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":103000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":31000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":31000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-07-01","end":"2018-09-30","val":31000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":31000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":130000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":130000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":130000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":27000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-10-01","end":"2018-12-31","val":27000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":5000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":5000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-03-31","val":5000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":5000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":1000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":-4000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":-4000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-04-01","end":"2019-06-30","val":-4000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":-4000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":5000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":5000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":4000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":4000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-07-01","end":"2019-09-30","val":4000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":4000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1678000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":1678000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":1678000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":1673000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-10-01","end":"2019-12-31","val":1673000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":1000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":1000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-03-31","val":1000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":4000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":4000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":3000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":3000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-04-01","end":"2020-06-30","val":3000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":14000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":14000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":10000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":10000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-07-01","end":"2020-09-30","val":10000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":28000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":28000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":28000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":14000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":18000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":18000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":38000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":38000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":20000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":20000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":59000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":59000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":21000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":21000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":81000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":81000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":81000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":24000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":24000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":50000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":50000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":26000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":26000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":75000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":75000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":25000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":25000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":92000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":92000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":92000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":14000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":14000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":29000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":29000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":15000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":15000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":43000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":43000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":14000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":14000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":57000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":57000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":57000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":14000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":14000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":28000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":28000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":14000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":14000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":42000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":14000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":56000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":56000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":14000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":28000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":14000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-12-31","val":56000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"NetIncomeLossAvailableToCommonStockholdersBasic":{"label":"Net Income (Loss) Available to Common Stockholders, Basic","description":"Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":32134000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":14834000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":7156000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":20981000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":6147000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":26659000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":26659000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":4903000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2010-01-01","end":"2010-03-31","val":4903000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":9380000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":9380000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":4477000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":4477000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":4477000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":13403000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":13403000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":4023000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":4023000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":4023000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":18325000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":18325000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":18325000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":4922000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":4792000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":4792000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-03-31","val":4792000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2011-01-01","end":"2011-03-31","val":4792000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":10284000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":10284000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":5492000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":5492000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-04-01","end":"2011-06-30","val":5492000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":5492000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":15954000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":15954000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":5670000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":5670000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-07-01","end":"2011-09-30","val":5670000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":5670000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":22359000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":22359000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":22359000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":6405000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-10-01","end":"2011-12-31","val":6405000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":5403000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":5403000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-03-31","val":5403000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2012-01-01","end":"2012-03-31","val":5403000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":13375000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":13375000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":7973000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":7973000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-04-01","end":"2012-06-30","val":7973000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":7973000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":20146000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":20146000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":6771000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":6771000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-07-01","end":"2012-09-30","val":6771000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":6771000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":32384000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":32384000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":32384000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":12238000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-10-01","end":"2012-12-31","val":12238000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":7154000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":7154000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-03-31","val":7154000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2013-01-01","end":"2013-03-31","val":7154000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":14797000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":14797000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":7643000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":7643000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-04-01","end":"2013-06-30","val":7643000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":7643000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":23160000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":23160000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":8363000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":8363000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-07-01","end":"2013-09-30","val":8363000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":8363000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":32615000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":32615000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":32615000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":9455000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-10-01","end":"2013-12-31","val":9455000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":8372000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":8372000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-03-31","val":8372000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2014-01-01","end":"2014-03-31","val":8372000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":17490000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":17490000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":9118000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":9118000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-04-01","end":"2014-06-30","val":9118000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":9118000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":35219000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":35219000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":17729000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":17729000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-07-01","end":"2014-09-30","val":17729000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":17729000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":47941000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":47941000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":47941000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":12722000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-10-01","end":"2014-12-31","val":12722000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":9930000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":9930000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-03-31","val":9930000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2015-01-01","end":"2015-03-31","val":9930000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":24463000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":24463000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":14533000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":14533000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-04-01","end":"2015-06-30","val":14533000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":14533000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":36431000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":36431000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":11968000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":11968000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-07-01","end":"2015-09-30","val":11968000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":11968000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":47866000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":47866000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":47866000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":11435000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-10-01","end":"2015-12-31","val":11435000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":21711000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":21711000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-03-31","val":21711000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2016-01-01","end":"2016-03-31","val":21711000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":65624000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":65624000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":43913000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":43913000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-04-01","end":"2016-06-30","val":43913000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":43913000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":80285000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":80285000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":14661000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":14661000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-07-01","end":"2016-09-30","val":14661000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":14661000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":95509000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":95509000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":95509000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":15224000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-10-01","end":"2016-12-31","val":15224000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":12819000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":12819000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-03-31","val":12819000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2017-01-01","end":"2017-03-31","val":12819000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":49709000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":49709000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":36890000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":36890000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-04-01","end":"2017-06-30","val":36890000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":36890000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":65593000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":65593000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":15884000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":15884000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-07-01","end":"2017-09-30","val":15884000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":15884000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":83183000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":83183000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":83183000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":17590000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-10-01","end":"2017-12-31","val":17590000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":28713000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":28713000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-03-31","val":28713000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":28713000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":46940000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":46940000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":18227000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":18227000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-04-01","end":"2018-06-30","val":18227000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":18227000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":69950000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":69950000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":23010000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":23010000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-07-01","end":"2018-09-30","val":23010000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":23010000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":88506000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":88506000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":88506000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":18556000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-10-01","end":"2018-12-31","val":18556000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":22529000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":22529000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-03-31","val":22529000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":22529000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":49482000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":49482000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":26953000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":26953000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-04-01","end":"2019-06-30","val":26953000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":26953000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":72053000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":72053000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":22571000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":22571000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-07-01","end":"2019-09-30","val":22571000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":22571000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":121662000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":121662000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":121662000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":49609000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-10-01","end":"2019-12-31","val":49609000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":23297000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":23297000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-03-31","val":23297000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":46781000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":46781000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":23484000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":23484000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-04-01","end":"2020-06-30","val":23484000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":71182000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":71182000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":24401000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":24401000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-07-01","end":"2020-09-30","val":24401000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":108363000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":108363000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":108363000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":37181000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":27339000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":27339000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":54897000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":54897000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":27558000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":27558000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":85668000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":85668000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":30771000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":30771000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":157557000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":157557000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":157557000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":63580000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":63580000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":109719000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":109719000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":46139000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":46139000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":147511000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":147511000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":37792000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":37792000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":186182000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":186182000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":186182000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":44690000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":44690000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":88140000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":88140000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":43450000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":43450000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":137036000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":137036000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":48896000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":48896000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":200491000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":200491000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":200491000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":58644000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":58644000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":113931000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":113931000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":55287000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":55287000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":169111000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":169111000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":55180000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":55180000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":227751000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":227751000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":59423000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":59423000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":122722000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":63299000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":189665000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":66943000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":257402000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":94624000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"NoncashOrPartNoncashAcquisitionDebtAssumed1":{"label":"Noncash or Part Noncash Acquisition, Debt Assumed","description":"\"The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. \"\"Part noncash\"\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.\"","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":2846000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":2846000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":2847000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-06-30","val":60000000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":60000000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":60000000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":60000000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":60000000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":60000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":60000000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-06-30","val":0,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-09-30","val":0,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024"}]}},"NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest":{"label":"Noncontrolling Interest, Increase from Sale of Parent Equity Interest","description":"Amount of increase in noncontrolling interest from sale of a portion of the parent's controlling interest.","units":{"USD":[{"start":"2020-01-01","end":"2020-12-31","val":-1046000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020"}]}},"NotesPayableToBank":{"label":"Notes Payable to Bank","description":"Including the current and noncurrent portions, the carrying value as of the balance sheet date of notes payable to banks, excluding mortgage notes, initially due beyond one year or beyond the operating cycle if longer.","units":{"USD":[{"end":"2009-12-31","val":89156000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":89156000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":89156000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":130595000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":134219000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":91294000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":91294000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":91294000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":91294000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":91294000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":144222000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":108745000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":144298000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":154516000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":154516000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":154516000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":154516000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":154516000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":118917000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":120945000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":46451000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":76160000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":76160000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":76160000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":76160000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":76160000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":91595000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":176933000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":111667000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":88952000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":88952000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":88952000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":88952000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":88952000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":99359000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":142392000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":84520000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":99401000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":99401000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":99401000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":99401000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":99401000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":114360000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":133328000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":143146000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":150836000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":149414000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":149414000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":149414000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":149414000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":165849000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":35093000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":205451000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":190990000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":190990000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":190990000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":190990000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":190990000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":199305000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":167207000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":216643000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":195709000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":195709000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":195709000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":195709000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":195709000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":201561000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":176958000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":169261000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":193926000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":193926000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":193926000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":193926000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":193926000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":131189000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":194327000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":138579000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":111394000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":111394000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":111394000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":111394000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":111394000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":81774000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":65977000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":76540000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":124194000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":124194000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":124194000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":124194000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":124194000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":91638000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":-2437000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":58719000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":207066000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":207066000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":207066000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":207066000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":207066000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":195317000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":204573000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":154188000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":168454000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":168454000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q4I"},{"end":"2023-03-31","val":69787000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"}]}},"NotionalAmountOfInterestRateDerivatives":{"label":"Notional Amount of Interest Rate Derivatives (Deprecated 2013-01-31)","description":"Aggregate notional amount of interest rate derivatives, which relates to the currency amount specified in the interest rate derivative instruments.","units":{"USD":[{"end":"2012-09-30","val":80000000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":80000000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q4I"},{"end":"2012-12-31","val":80000000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2013-03-31","val":80000000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"}]}},"NumberOfReportableSegments":{"label":"Number of Reportable Segments","description":"Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.","units":{"Integer":[{"start":"2019-01-01","end":"2019-12-31","val":1,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":1,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":1,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":1,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":1,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":1,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":1,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"NumberOfReportingUnits":{"label":"Number of Reporting Units","description":"Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.","units":{"Integer":[{"start":"2020-01-01","end":"2020-09-30","val":1,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2021-01-01","end":"2021-03-31","val":1,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":1,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-09-30","val":1,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2022-01-01","end":"2022-03-31","val":1,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":1,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-09-30","val":1,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2023-01-01","end":"2023-03-31","val":1,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":1,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-09-30","val":1,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2024-01-01","end":"2024-03-31","val":1,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":1,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-09-30","val":1,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2025-01-01","end":"2025-03-31","val":1,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":1,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":1,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2026-01-01","end":"2026-03-31","val":1,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"OperatingIncomeLoss":{"label":"Operating Income (Loss)","description":"The net result for the period of deducting operating expenses from operating revenues.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":61553000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":30127000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":14960000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":44783000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":14656000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":59071000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":59071000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":13608000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":26901000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":26901000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":13293000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":13293000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":39694000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":39694000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":12793000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":12793000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":53302000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":53302000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":53152000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":13602000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":13602000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":27579000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":27641000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":13977000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":14001000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":41870000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":41955000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":14291000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":14314000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":56826000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":56550000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":56557000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":14633000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":14531000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":29627000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":29416000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":14995000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":14886000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":45048000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":44704000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":15421000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":15288000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":60813000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":60932000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":60932000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":15705000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":15704000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":31957000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":31921000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":16252000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":16217000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":49067000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":49012000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":17110000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":17091000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":66581000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":66581000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":66581000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":17184000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":17184000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":35106000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":35106000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":17922000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":17922000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":54012000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":54012000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":18906000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":18906000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":73782000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":73782000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":73782000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":18499000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":18499000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":38500000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":38500000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":20001000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":20001000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":58847000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":58847000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":20347000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":20347000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":79061000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":79061000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":79061000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":19295000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":19295000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":41198000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":41198000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":21903000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":21903000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":63986000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":63986000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":22788000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":22788000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":87372000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":87372000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":87372000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":21444000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":21444000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":45326000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":45326000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":23882000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":23882000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":69747000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":69747000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":24421000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":24421000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":95196000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":95196000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":26379000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":53263000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":26884000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":80841000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":27578000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":108556000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018"}]}},"OperatingLeaseLeaseIncome":{"label":"Operating Lease, Lease Income","description":"Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":78637000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":78637000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":160420000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":160420000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":81783000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":81783000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":244333000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":244333000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":83913000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":83913000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":248237000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":248237000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":248237000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":88577000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":88577000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":178077000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":178077000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":89500000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":89500000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":270077000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":270077000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":92000000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":92000000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":271094000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":271094000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":362669000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":97917000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":97917000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":197479000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":197479000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":99562000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":99562000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":302063000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":302063000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":104584000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":104584000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":306658000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":409412000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":409412000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":112952000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":112952000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":231450000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":231450000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":118498000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":118498000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":357020000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":357020000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":125570000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":125570000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":486817000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":486817000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":486817000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":133964000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":133964000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":272775000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":272775000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":138811000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":138811000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":417153000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":417153000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":144378000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":144378000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":566179000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":566179000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":566179000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":154074000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":154074000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":311407000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":311407000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":157333000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":157333000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":474268000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":474268000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":162861000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":162861000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":638035000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":638035000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":172644000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":172644000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":349900000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":177256000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":531989000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":182089000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":719417000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":190234000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"OperatingLeaseLeaseIncomeLeasePayments":{"label":"Operating Lease, Lease Income, Lease Payments","description":"Amount of operating lease income from lease payments paid and payable to lessor. Excludes variable lease payments not included in measurement of lease receivable.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":58892000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":58892000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":120370000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":120370000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":61478000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":61478000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":183271000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":183271000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":62901000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":62901000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2020-01-01","end":"2020-03-31","val":65963000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":65963000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":132756000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":132756000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":66793000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":66793000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":201284000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":201284000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":68528000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":68528000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":271094000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":73382000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":73382000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":147740000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":147740000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":74358000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":74358000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":225780000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":225780000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":78040000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":78040000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":306658000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":306658000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":84945000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":84945000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":173876000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":173876000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":88931000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":88931000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":267423000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":267423000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":93548000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":93548000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":364957000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":364957000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":364957000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":100696000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":100696000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":204846000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":204846000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":104150000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":104150000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":311529000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":311529000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":106683000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":106683000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":424063000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":424063000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":424063000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":114200000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":114200000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":231338000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":231338000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":117138000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":117138000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":353135000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":353135000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":121797000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":121797000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":477647000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":477647000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":130066000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":130066000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":263793000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":133727000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":401506000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":137713000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":543729000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":144013000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"OperatingLeaseRightOfUseAsset":{"label":"Operating Lease, Right-of-Use Asset","description":"Amount of lessee's right to use underlying asset under operating lease.","units":{"USD":[{"end":"2018-12-31","val":0,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":0,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":0,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":0,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":10041000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":12488000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":12242000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":11997000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":11997000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":11997000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":11997000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":11997000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":11764000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":11533000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":11303000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":11073000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":11073000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":11073000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":11073000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":11073000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":10856000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":10639000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":23051000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":22635000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":22635000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":22635000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":22635000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q4I"},{"end":"2022-03-31","val":20488000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":20119000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":19754000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":19391000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":19391000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":19391000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":19391000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":19038000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":18687000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":18340000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":17996000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":17996000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":17996000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":17996000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":17996000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":17663000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":17333000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":17006000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":38393000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":38393000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":38393000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":38393000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":38393000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":37526000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":36666000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":35816000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":34976000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":34976000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":34152000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"OperatingLeasesFutureMinimumPaymentsDue":{"label":"Operating Leases, Future Minimum Payments Due","description":"Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.","units":{"USD":[{"end":"2011-12-31","val":16850000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":16664000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":16112000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":15550000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":14966000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":14210000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":13534000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":13298000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"},{"end":"2019-12-31","val":12048000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueCurrent":{"label":"Operating Leases, Future Minimum Payments Due, Next Twelve Months","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2011-12-31","val":707000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":731000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":739000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":747000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":756000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":756000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":761000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":791000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":593000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":485000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":242000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":970000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-03-31","val":727000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":485000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInFiveYears":{"label":"Operating Leases, Future Minimum Payments, Due in Five Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2011-12-31","val":707000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":731000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":739000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":747000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":756000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":756000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":761000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":791000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":791000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":975000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":975000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":999000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-03-31","val":999000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":999000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInFourYears":{"label":"Operating Leases, Future Minimum Payments, Due in Four Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2011-12-31","val":707000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":731000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":739000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":747000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":756000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":756000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":761000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":791000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":791000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":970000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":970000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":975000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-03-31","val":975000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":975000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInThreeYears":{"label":"Operating Leases, Future Minimum Payments, Due in Three Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2011-12-31","val":707000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":731000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":739000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":747000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":756000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":756000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":761000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":791000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":791000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":970000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":970000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":970000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-03-31","val":970000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":970000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInTwoYears":{"label":"Operating Leases, Future Minimum Payments, Due in Two Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2011-12-31","val":707000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":731000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":739000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":747000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":756000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":756000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":761000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":791000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":791000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":791000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":970000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":970000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":970000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-03-31","val":970000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":970000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"}]}},"OperatingLeasesFutureMinimumPaymentsDueThereafter":{"label":"Operating Leases, Future Minimum Payments, Due Thereafter","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2011-12-31","val":13315000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":13009000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":12417000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":11815000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":11186000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":10430000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":9729000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":9343000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":30751000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":30751000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":30751000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":30751000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":30751000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":39914000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":39914000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":38916000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-03-31","val":38916000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":38916000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivable":{"label":"Operating Leases, Future Minimum Payments Receivable","description":"Future minimum rental payments in aggregate as of the balance sheet date under operating leases.","units":{"USD":[{"end":"2011-12-31","val":458748000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":477006000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":563189000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":611272000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":661642000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":767030000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":844126000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":931512000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":931512000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1042930000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-12-31","val":1120567000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1514226000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableCurrent":{"label":"Operating Leases, Future Minimum Payments Receivable, Current","description":"Future rental payments receivable within one year of the balance sheet date under an operating lease.","units":{"USD":[{"end":"2011-12-31","val":135253000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":137081000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":155016000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":163356000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":176082000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":186783000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":204614000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":226330000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":226330000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":226330000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":226330000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":226330000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":175737000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":121751000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":62995000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":252654000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-12-31","val":272402000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"},{"end":"2021-12-31","val":322765000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears":{"label":"Operating Leases, Future Minimum Payments Receivable, in Five Years","description":"Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.","units":{"USD":[{"end":"2011-12-31","val":33948000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":36811000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":43663000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":53451000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":58448000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":62837000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":74092000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":82262000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":82262000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":82262000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":82262000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":82262000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":93321000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":105399000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":120445000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":99183000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-12-31","val":104511000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"},{"end":"2021-12-31","val":146152000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableInFourYears":{"label":"Operating Leases, Future Minimum Payments Receivable, in Four Years","description":"Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.","units":{"USD":[{"end":"2011-12-31","val":54516000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":55304000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":64542000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":72788000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":84253000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":96423000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":100559000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":112007000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":112007000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":112007000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":112007000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":112007000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":124182000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":138451000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":156626000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":132274000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-12-31","val":148871000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"},{"end":"2021-12-31","val":195340000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears":{"label":"Operating Leases, Future Minimum Payments Receivable, in Three Years","description":"Future rental payments receivable within the third year from the balance sheet date under an operating lease.","units":{"USD":[{"end":"2011-12-31","val":78751000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":81752000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":91403000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":99822000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":110845000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":128487000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":139791000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":151564000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":151564000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":151564000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":151564000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":151564000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":165837000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":181730000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":200587000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":171607000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-12-31","val":192444000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"},{"end":"2021-12-31","val":245109000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears":{"label":"Operating Leases, Future Minimum Payments Receivable, in Two Years","description":"Future rental payments receivable within the second year from the balance sheet date under an operating lease.","units":{"USD":[{"end":"2011-12-31","val":105237000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":110073000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":126497000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":130512000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":144173000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":159858000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":177110000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":195850000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":195850000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":195850000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":195850000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":195850000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":208760000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":225332000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":242199000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":215820000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-12-31","val":235872000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"},{"end":"2021-12-31","val":291810000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsReceivableThereafter":{"label":"Operating Leases, Future Minimum Payments Receivable, Thereafter","description":"Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.","units":{"USD":[{"end":"2011-12-31","val":51043000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":55985000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":82068000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":91343000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":87841000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":132642000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":147960000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":163499000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":163499000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":163499000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":163499000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":163499000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":182876000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":216156000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":249075000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":171392000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-12-31","val":166467000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"},{"end":"2021-12-31","val":313050000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"}]}},"OperatingLeaseVariableLeaseIncome":{"label":"Operating Lease, Variable Lease Income","description":"Amount of operating lease income from variable lease payments paid and payable to lessor, excluding amount included in measurement of lease receivable.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":19745000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":19745000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":40050000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":40050000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":20305000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":20305000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":61062000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":61062000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":21012000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":21012000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":82576000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":82576000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":82576000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":22614000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":22614000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":45321000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":45321000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":22707000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":22707000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":68793000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":68793000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":23472000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":23472000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":91575000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":91575000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":91575000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":24535000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":24535000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":49739000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":49739000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":25204000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":25204000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":76283000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":76283000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":26544000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":26544000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":102754000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":102754000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":102754000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":28007000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":28007000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":57574000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":57574000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":29567000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":29567000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":89597000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":89597000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":32022000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":32022000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":121860000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":121860000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":121860000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":33268000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":33268000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":67929000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":67929000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":34661000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":34661000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":105624000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":105624000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":37695000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":37695000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":142116000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":142116000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":142116000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":39874000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":39874000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":80069000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":80069000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":40195000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":40195000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":121133000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":121133000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":41064000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":41064000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":160388000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":160388000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":42578000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":42578000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":86107000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":43529000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":130483000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":44376000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":175688000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":46221000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"OtherAssets":{"label":"Other Assets","description":"Amount of assets classified as other.","units":{"USD":[{"end":"2010-12-31","val":62409000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":62409000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":62409000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":61599000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":62303000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":72797000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":72797000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":72797000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":72797000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":72797000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":72301000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":75923000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":69449000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":78316000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":78316000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":78316000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":78316000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":78316000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":79855000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":90327000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":89540000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":93427000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":93427000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":93427000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":93427000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":93427000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":90629000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":96408000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":102468000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":93509000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":93509000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":93509000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":93509000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":93509000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":92182000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":91612000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":88609000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":96186000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":91858000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":91858000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":91858000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":91858000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":89554000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":98100000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":94151000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":104830000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":104830000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":104830000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":104830000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":104830000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":107490000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":108220000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":108499000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":117304000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":116029000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":116029000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":116029000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":116029000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":113233000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":123318000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":120852000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":121231000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":121231000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":121231000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":121231000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":121231000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":120421000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":127461000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":137242000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":144622000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":144622000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":144622000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":144622000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":144622000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":141807000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":140442000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":145701000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":149579000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":149579000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":149579000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":149579000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":149579000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":152253000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":157908000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":171592000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":182220000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":182220000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":182220000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":182220000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":182220000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":205529000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":218066000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":241163000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":244944000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":244944000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":244944000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":244944000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":244944000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":239264000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":254533000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":264715000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":251939000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":251939000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":251939000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":251939000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":251939000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":255298000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":272164000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":267988000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":290159000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":290159000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":290159000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":290159000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":290159000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":284752000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":275194000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":293479000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":307337000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":307337000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":296702000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"OtherComprehensiveIncomeLossNetOfTax":{"label":"Other Comprehensive Income (Loss), Net of Tax","description":"Amount after tax and reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":318000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":-605000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":-605000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":-605000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":-605000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":-392000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":-392000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":-392000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":222000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":222000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":2340000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":2340000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":2118000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":2118000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":743000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":743000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":-1597000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":-1597000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":2021000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":2021000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":2021000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-1037000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":-1037000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-2777000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":-2777000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":-1740000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":-1740000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-1714000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":-1714000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":1063000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":1063000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-3986000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":-3986000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":-3986000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-2535000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":-2535000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":587000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":587000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":3122000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":3122000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-4553000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":-4553000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":-5140000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":-5140000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-1099000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":-1099000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-1099000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-5397000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":-5397000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-8859000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":-8859000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":-3462000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":-3462000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-6253000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":-6253000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":2606000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":2606000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":5451000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":5451000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":5451000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1410000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":1410000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":426000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":426000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":-984000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":-984000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":650000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":650000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":224000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":224000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":3353000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":3353000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":3353000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":3606000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":3606000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":4792000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":4792000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":1186000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":1186000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":5345000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":5345000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":553000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":553000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1353000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":1353000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":1353000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-2313000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":-2313000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-6067000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":-6067000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":-3754000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":-3754000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-6323000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":-6323000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":-256000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":-256000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-3894000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":-3894000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":-3894000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-15790000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":-15790000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-17614000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":-17614000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":-1824000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":-1824000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-16252000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":-16252000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":1362000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":1362000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-13559000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":-13559000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":-13559000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":8214000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":8214000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":6951000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":6951000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":-1263000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":-1263000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":8276000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":8276000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":1325000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":1325000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":12054000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":12054000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":15828000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":15828000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2022-01-01","end":"2022-03-31","val":15828000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":22669000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":22669000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":6841000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":6841000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":39826000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":17157000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":35069000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-10262000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":-10262000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":-60000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":10202000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2"}]}},"OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease":{"label":"Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31)","description":"This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.","units":{"USD":[{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2012-01-01","end":"2012-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2"}]}},"OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax":{"label":"Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax","description":"Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-466000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":204000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":204000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":159000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":159000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":97000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":235000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":235000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":76000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":318000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":318000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":318000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":0,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":-605000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":-605000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":-605000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":-605000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":-392000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":392000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":-392000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":222000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":222000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":2340000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":2340000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":2118000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":2118000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":743000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":743000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":-1597000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":-1597000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-2021000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":2021000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":2021000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-1037000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":-1037000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-2777000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":-2777000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":-1740000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":-1740000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-1714000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":-1714000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":1063000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":1063000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":-3986000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":-3986000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":-3986000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-2535000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":-2535000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":587000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":587000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":3122000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":3122000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-4553000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":-4553000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":-5140000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":-5140000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-1099000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":-1099000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-1099000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-5397000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":-5397000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-8859000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":-8859000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":-3462000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":-3462000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-6253000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":-6253000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":2606000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":2606000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":5451000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":5451000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":5451000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1410000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":1410000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":426000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":426000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":-984000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":-984000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":650000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":650000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":224000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":224000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":3353000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":3353000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":3353000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":3606000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":3606000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":3606000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-03-31","val":3606000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":4792000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":4792000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":1186000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":1186000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":1186000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":5345000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":5345000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":553000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":553000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1353000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":1353000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":1353000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-2313000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":-2313000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-03-31","val":-2313000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-03-31","val":-2313000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":-2313000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-03-31","val":-2313000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-6067000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":-6067000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":-3754000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":-3754000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-04-01","end":"2019-06-30","val":-3754000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":-3754000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-6323000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":-6323000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":-256000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":-256000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-3894000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":-3894000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":-3894000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-15790000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":-15790000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-03-31","val":-15790000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-03-31","val":-15790000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2020-01-01","end":"2020-03-31","val":-15790000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-03-31","val":-15790000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-17614000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":-17614000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":-1824000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":-1824000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-04-01","end":"2020-06-30","val":-1824000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":-1824000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-16252000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":-16252000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":1362000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":1362000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-13559000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":-13559000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":-13559000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":8214000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":8214000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-03-31","val":8214000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-03-31","val":8214000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-03-31","val":8214000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":6951000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":6951000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":-1263000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":-1263000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-04-01","end":"2021-06-30","val":-1263000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":-1263000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":8276000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":8276000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":1325000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":1325000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":12054000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":12054000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":15828000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-03-31","val":15828000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-03-31","val":15828000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":22669000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":6841000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":6841000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":39826000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":17157000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":35069000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-10262000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1"}]}},"OtherLiabilities":{"label":"Other Liabilities","description":"Amount of liabilities classified as other.","units":{"USD":[{"end":"2009-12-31","val":15715000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":15715000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":15715000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":14359000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":14676000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":15083000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":15083000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":15083000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":15083000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":15083000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":16045000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":14943000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":15392000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":17016000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":17016000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":17016000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":17016000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":17016000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":16926000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":15917000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":16898000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":20086000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":20086000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":20086000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":20086000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":20086000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":19027000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":20067000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":22132000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":23858000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":23858000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":23858000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":23858000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":23858000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":25336000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":26796000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":26788000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":27593000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":27593000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":27593000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":27593000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":27593000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":30191000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":27853000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":31310000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":30613000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":30613000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":30613000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":30613000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":30613000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":36741000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":37303000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":37972000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":29864000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":29864000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":29864000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":29864000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":29864000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":31478000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":30211000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":28990000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":28842000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":28842000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":28842000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":28842000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":28842000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":29787000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":30477000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":29512000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":34652000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":34652000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":34652000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":34652000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":34652000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":46616000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":54743000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":56857000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":69123000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":69123000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":69123000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":69123000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":69123000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":70781000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":73192000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":69544000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":69817000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":69817000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":69817000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":69817000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":69817000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":65828000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":64250000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":78676000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":82338000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":82338000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":82338000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":82338000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":82338000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":79122000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":85899000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":83459000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":83666000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":83666000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":83666000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":83666000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":83666000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":88840000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":85844000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":83099000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":89415000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":89415000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":89415000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":89415000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":89415000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":87099000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":86210000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":92884000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":134028000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":134028000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":134028000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":134028000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":134028000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":131496000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":127613000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":135732000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":137999000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":137999000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":134914000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"OtherLiabilitiesCurrent":{"label":"Other Liabilities, Current","description":"Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2010-12-31","val":344000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":344000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":344000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":212000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":514000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1459000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":1459000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":1459000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":1459000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":699000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":898000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":593000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":855000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":693000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":693000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":693000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":693000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":693000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":434000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":629000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":240000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":56000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":16000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":16000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":16000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":16000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":62000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":16000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":16000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":16000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":16000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":16000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":16000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":16000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":16000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":316000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":223000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":82000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":82000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":82000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":82000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":82000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":102000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":15000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":16000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":16000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":16000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":16000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":16000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":16000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":15000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":16000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":16000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":15000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":15000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":15000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":15000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":15000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":65000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":15000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":65000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":15000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":15000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":15000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":15000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":15000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":15000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":5651000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":5651000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":15872000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":15872000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":15872000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":15872000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":15872000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":5650000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":5650000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":5650000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5650000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":5650000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":5650000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":5650000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":5650000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":5650000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":5650000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":3516000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":3516000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":3516000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":3516000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":3516000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":3516000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":3516000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":3516000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":16000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":16000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":1586000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":1586000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":1586000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":1586000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":834000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":780000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":892000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":1680000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":1680000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":1680000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":1680000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":1680000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":1467000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":1223000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":1468000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":1636000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":1636000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":1636000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":1636000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":1636000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":358000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":190000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":1040000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":609000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":609000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":513000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"OtherNonoperatingExpense":{"label":"Other Nonoperating Expense","description":"Amount of expense related to nonoperating activities, classified as other.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":84000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":-84000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"}]}},"OtherOperatingActivitiesCashFlowStatement":{"label":"Other Operating Activities, Cash Flow Statement","description":"Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities).","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-254000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-189000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":-189000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-80000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-91000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":-104000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":-231000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":-195000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":-195000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-300000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":-133000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-2187000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":-151000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":134000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":134000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":177000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":177000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":177000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-98000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":-98000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-62000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":-62000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":-71000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":-71000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":-78000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":-78000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":-78000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-101000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":-101000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-80000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":-80000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":-53000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":-53000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":-28000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":-28000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":-28000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-40000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":-40000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-226000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":-226000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":-87000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":-87000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":-157000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":-157000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-157000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-24000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":-24000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":185000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":185000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":278000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":278000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":295000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":295000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":295000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":264000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":264000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":654000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":654000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":765000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":765000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":879000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":879000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":879000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":476000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":476000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":828000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":828000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":1330000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":1330000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":1485000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":1485000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":1485000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":328000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":328000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":454000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":454000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":1256000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":1256000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":1385000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":1385000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":1302000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":505000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":505000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1145000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":1145000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":1280000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":1280000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":1728000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":1728000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":1728000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":136000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":136000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":714000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":714000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":1263000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":1263000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":1377000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":1377000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":1377000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":16000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":16000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":558000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":558000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":602000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":602000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":1411000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":1411000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":1411000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":197000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":197000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":384000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":384000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":1349000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":1349000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":1546000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":1546000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":1546000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":203000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":203000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":1099000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":1099000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":1804000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":1804000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":1994000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":1994000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":511000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":511000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":1313000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":1848000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":2284000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":666000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"OtherOperatingIncome":{"label":"Other Operating Income","description":"The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":248000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":39000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":24000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":61000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":22000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":81000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":81000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":28000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":88000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":88000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":60000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":60000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":108000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":108000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":20000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":20000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":124000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":124000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":82000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":23000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":23000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":44000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":44000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":21000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":21000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":64000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":64000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":20000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":20000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":147000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":142000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":142000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":14000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":14000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":28000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":28000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":14000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":14000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":43000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":43000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":15000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":15000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":61000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":61000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":61000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":47000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":48000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":186000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":186000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":139000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":139000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":220000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":220000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":34000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":34000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":322000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":322000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":322000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":35000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":35000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":53000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":53000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":18000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":18000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":114000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":114000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":61000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":61000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":123000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":123000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":123000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":17000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":17000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":34000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":34000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":17000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":17000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":67000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":67000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":33000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":33000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":90000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":90000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":90000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":21000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":21000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":56000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":56000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":35000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":35000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":68000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":68000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":12000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":12000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":86000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":86000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":86000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":17000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":17000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":56000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":56000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":39000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":39000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":90000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":90000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":34000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":34000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":119000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":119000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":119000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":83000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":83000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1248000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":1248000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":1165000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":1165000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1268000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":1268000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":20000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":20000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1374000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":1374000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":1374000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":161000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":161000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":479000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":479000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":318000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":318000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":504000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":504000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":25000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":25000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":574000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":574000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":574000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":51000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":51000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":266000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":266000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":215000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":215000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":278000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":278000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":12000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":12000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":354000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":354000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":354000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":14000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":14000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":27000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":27000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":13000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":13000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":40000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":40000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":13000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":13000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":63000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":63000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":63000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":22000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":22000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":77000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":77000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":55000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":55000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":165000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":165000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":88000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":88000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":208000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":208000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":208000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":1061000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":1061000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":2137000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":2137000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":1076000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":1076000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":4289000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":4289000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":2152000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":2152000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":4412000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":4412000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":4412000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":150000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":150000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":1907000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":1907000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":1757000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":1757000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":1922000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":1922000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":15000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":15000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":2199000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":2199000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":1805000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":1805000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":1835000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":30000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":1882000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":47000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":1919000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":22000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"OtherOperatingIncomeExpenseNet":{"label":"Other Operating Income (Expense), Net","description":"The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":624000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":178000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":358000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":180000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":538000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":180000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":717000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":717000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":171000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":171000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":343000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":343000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":172000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":172000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":245000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":245000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":-98000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":-98000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":456000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":456000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":456000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":224000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":224000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":479000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":479000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":255000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":255000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":728000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":728000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":249000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":249000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":949000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":949000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":949000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":316000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":316000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":534000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":439000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":218000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":218000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":758000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":758000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":319000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":319000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":989000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":989000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":989000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":367000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":367000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":609000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":609000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":242000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":242000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":851000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":851000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":242000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":242000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":1101000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":1101000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":1101000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":268000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":268000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":649000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":649000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":381000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":381000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":1502000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":1502000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":853000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":853000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":1765000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":1765000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":1765000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":215000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":215000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":470000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":470000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":255000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":255000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":725000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":725000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":255000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":255000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":1313000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":1313000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":1313000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":754000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":754000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":976000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":976000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":222000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":222000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1192000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":1192000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":216000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":216000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":913000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":913000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":913000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":242000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":242000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-323000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":-323000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":-565000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":-565000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-157000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":-157000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":166000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":166000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":163000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":163000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":163000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":237000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":237000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":467000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":467000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":230000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":230000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":711000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":711000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":244000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":244000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":942000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":942000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":942000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":201000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":201000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":411000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":411000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":210000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":210000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":621000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":621000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":210000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":210000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":830000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":830000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":278000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":278000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":562000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":562000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":284000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":284000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":888000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":326000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":1210000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":439000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":1187000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":748000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2"}]}},"OtherPreferredStockDividendsAndAdjustments":{"label":"Other Preferred Stock Dividends and Adjustments","description":"Amount of preferred stock dividends and adjustments classified as other.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":682000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2010"}]}},"PaymentsForCapitalImprovements":{"label":"Payments for Capital Improvements","description":"The cash outflow for acquisition of or capital improvements to properties held for investment (operating, managed, leased) or for use.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":15210000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":7694000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":11688000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":14474000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":14474000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":2888000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":9839000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":9839000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":15438000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":15438000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":23720000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":23720000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":23720000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":6288000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":6288000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":10645000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":10645000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":14089000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":14089000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":19048000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":19048000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":19048000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":3902000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":3902000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":9398000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":9398000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":13670000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":13670000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":18135000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":18135000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":18135000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":4577000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":4577000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":9501000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":9501000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":16053000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":16053000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":20807000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":20807000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":20807000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":4258000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":4258000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":9912000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":9912000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":12931000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":12931000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":20524000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":20524000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":20524000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":2790000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":2790000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":11593000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":11593000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":17753000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":17753000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":24514000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":24514000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":25062000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":5804000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":6054000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":10759000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":11048000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":17184000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":17591000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":23671000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":23778000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":23809000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":4270000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":4250000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":10817000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":11106000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":18378000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":18783000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":26158000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":27385000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":27385000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":5158000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":5158000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":16126000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":16126000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":26779000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":26779000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":37502000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":37502000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":37502000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":5610000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":5610000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":16963000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":16963000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":27796000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":27796000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":37775000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":37775000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":37775000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":9396000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":9396000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":18167000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":-18167000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":25536000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":-25536000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":33131000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":33131000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":33131000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":9128000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":9128000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-18094000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":18094000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":-26749000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":26749000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":36665000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":36665000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":36665000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":9840000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":9840000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":21723000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":21723000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":31043000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":31043000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":40851000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":40851000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":40851000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":15777000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":15777000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":28733000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":28733000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":42097000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":42097000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":51116000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":51116000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":51116000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":14829000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":14829000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":34871000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":34871000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":49287000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":49287000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":59288000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":59288000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":19795000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":19795000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":44002000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":62648000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":75830000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":15623000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"PaymentsForLeaseCommissions":{"label":"Payments for Lease Commissions","description":"Amount of cash outflow for lease commissions incurred.","units":{"USD":[{"start":"2019-01-01","end":"2019-12-31","val":19194000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":-8075000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":-12741000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":17516000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":17516000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":6687000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-16813000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":16813000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":-22791000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":22791000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":33301000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":33301000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":33301000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":9344000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":9344000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":18362000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":18362000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":26968000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":26968000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":37272000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":37272000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":37272000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":7921000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":7921000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":16548000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":16548000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":22712000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":22712000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":32004000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":32004000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":32004000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":6295000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":6295000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":16517000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":16517000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":24748000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":24748000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":32154000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":32154000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":11085000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":11085000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":17451000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":25978000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":34776000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":7164000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"PaymentsForProceedsFromOtherInvestingActivities":{"label":"Payments for (Proceeds from) Other Investing Activities","description":"Amount of cash (inflow) outflow from investing activities classified as other.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":7395000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":4875000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":6352000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":7545000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":7545000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":953000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":3173000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":3173000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":5058000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":5058000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":6775000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":6775000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":6775000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":1917000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":1908000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":3611000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":3593000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":5041000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":5014000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":6333000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":6333000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":-6333000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":2475000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":2478000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":4767000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":4770000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":6426000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":6429000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":7745000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":-7745000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":7745000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":2194000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":2214000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":4426000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":4446000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":9411000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":9431000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":-11912000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":11912000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":11912000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":2325000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":2354000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":4536000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":4610000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":15529000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":15705000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":12125000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":12181000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":12181000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":3550000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":3550000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":3720000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":3720000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":6333000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":6333000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":8865000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":8865000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":8317000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":2642000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":2392000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":12182000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":11893000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":11995000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":11588000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":13900000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":13793000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":13762000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":3266000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":3286000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":7861000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":7572000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":11240000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":10835000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":15872000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":14645000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":14645000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":2344000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":2344000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":5240000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":5240000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":9804000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":9804000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":12955000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":12955000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":12955000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":4857000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":4857000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":10514000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":10514000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":16169000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":16169000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":9293000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":9293000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":-9901000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":14754000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":14754000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":17475000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":9400000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":26280000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":13539000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":28627000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":11111000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":11111000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":8122000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":1435000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-526000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":-526000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":-856000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":-856000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":-1769000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":-1769000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":-1769000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":10476000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":10476000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":2621000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":2621000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":3328000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":3328000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":2120000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":2120000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":2120000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":49000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":-49000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":-8009000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":8009000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":-7060000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":7060000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":-7660000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":-7660000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":-7660000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":329000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":329000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":468000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-09-30","val":-4720000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":4720000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":795000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":795000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":804000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":-804000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-09-30","val":-2547000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":2046000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":-329000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"PaymentsForRepurchaseOfRedeemablePreferredStock":{"label":"Payments for Repurchase of Redeemable Preferred Stock","description":"The cash outflow for reacquisition of callable preferred stock.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-33008000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2010"}]}},"PaymentsOfDebtIssuanceCosts":{"label":"Payments of Debt Issuance Costs","description":"The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":2372000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":411000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":427000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":492000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":492000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":20000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":38000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":38000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":60000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":60000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":709000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":709000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":709000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":34000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":34000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":619000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":619000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":632000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":632000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":925000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":925000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":925000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":793000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":793000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":821000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":821000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":1474000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":1474000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":1490000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":1490000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":1490000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":1441000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":1441000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1459000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":1459000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":1650000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":1650000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":2222000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":2222000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":2222000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":21000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":21000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":42000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":42000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":434000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":434000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":499000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":499000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":499000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":562000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":562000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":585000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":585000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":1767000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":1767000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":1952000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":1952000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":1952000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":289000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":289000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":1164000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":1164000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":1165000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":1165000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":1487000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":1487000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":1487000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":87000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":87000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":110000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":110000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":129000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":129000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":380000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":380000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":380000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":88000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":88000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1845000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":1845000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":1857000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":1857000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":1922000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":1922000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":1922000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":153000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":153000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":168000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":168000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":252000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":252000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":893000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":893000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":893000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":564000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":564000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":584000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":584000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":596000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":596000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":1090000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":1090000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":1090000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":223000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":223000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":2475000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":2475000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":2647000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":2647000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":2678000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":2678000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":2678000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":648000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":648000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":1030000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":1030000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":1617000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":1617000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":2067000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":2067000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":2067000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":1631000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":1631000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":1649000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":1649000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":1796000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":1796000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":1818000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":1818000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":1818000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":15000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":15000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":3086000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":3086000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":3099000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":3099000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":3178000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":3178000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":91000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":91000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":103000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":116000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":1997000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":19000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"PaymentsOfOrdinaryDividends":{"label":"Payments of Ordinary Dividends","description":"Cash outflow in the form of ordinary dividends to common shareholders, preferred shareholders and noncontrolling interests, generally out of earnings.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":54174000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":26516000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":39936000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":54316000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":54316000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":14190000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":28102000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":28102000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":42018000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":42018000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":56294000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":56294000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":56294000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":13972000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":13972000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":27922000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":27922000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":41880000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":41880000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":56042000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":56042000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":56042000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":14908000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":14908000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":29717000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":29717000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":45035000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":45035000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":61297000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":61297000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":61297000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":15975000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":15975000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":31874000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":31874000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":48252000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":48252000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":64798000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":64798000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":64798000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":17322000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":17322000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":34183000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":34183000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":52231000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":52231000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":70456000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":70456000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":70456000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":18984000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":18984000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":37254000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":37254000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":56549000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":56549000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":75845000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":75845000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":75845000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":20413000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":20413000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":40119000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":40119000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":60418000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":60418000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":80899000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":80899000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":80899000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":21515000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":21515000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":42690000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":42690000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":64623000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":64623000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":86725000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":86725000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":86725000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":22736000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":22736000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":45449000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":45449000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":45449000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":45449000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":71294000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":71294000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":71294000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":26787000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":26787000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":53161000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":53161000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":80110000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":80110000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":108795000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":108795000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":108795000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":29947000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":29947000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":59157000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":59157000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":88558000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":88558000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":119765000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":119765000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":119765000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":31863000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":31863000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":63403000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":63403000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":95240000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":95240000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":131759000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":131759000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":131759000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":46033000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":46033000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":91787000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":91787000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":139597000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":139597000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":193936000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":193936000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":193936000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":55173000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":55173000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":110411000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":110411000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":166960000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":166960000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":225625000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":225625000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":225625000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":61442000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":61442000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":122337000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":122337000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":184030000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":184030000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":252794000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":252794000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":73205000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":73205000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":146299000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":219955000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":302507000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":83684000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"PaymentsToAcquireCommercialRealEstate":{"label":"Payments to Acquire Commercial Real Estate","description":"The cash outflow from the acquisition of property as primarily intended to generate income for its owner.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":46282000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":11050000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":17725000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":17725000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":17725000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":22601000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":23906000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":23906000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":23906000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":23906000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":23906000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":23906000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":23906000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":23450000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":23450000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":88592000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":88592000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":88592000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":3475000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":3475000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":3475000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":3475000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":10950000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":10950000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":51750000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":51750000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":51750000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":69952000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":69952000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":72397000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":72397000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":72397000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":72397000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":72397000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":41751000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":41751000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":41751000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":41751000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":48805000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":48805000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":48805000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":31574000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":31574000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":31574000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":24955000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":24955000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":27668000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":27668000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":27668000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-20611000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":20611000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-36739000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":36739000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":36739000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":36739000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":55195000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":55195000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":55195000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":27660000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":27660000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":52934000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":52934000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":57152000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":57152000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":57152000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":62068000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":62068000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":94414000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":94414000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":142712000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":142712000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":142712000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":6231000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":6231000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":6231000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":6231000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":6231000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":6231000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":49199000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":49199000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":49199000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":9177000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":9177000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":104006000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":104006000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":108149000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":108149000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":108149000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-06-30","val":2049000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":2049000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":2049000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":2049000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":2049000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":2049000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":2049000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":0,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":34365000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":34365000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":87338000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":87338000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":165116000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":165116000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":165116000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":54859000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":54859000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":107804000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":107804000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":143585000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":143585000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":390011000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":390011000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":0,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":0,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":0,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":121965000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":143099000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":38130000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"PaymentsToAcquireMarketableSecurities":{"label":"Payments to Acquire Marketable Securities","description":"Amount of cash outflow for purchase of marketable security.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":7534000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2010"}]}},"PaymentsToAcquireMortgageNotesReceivable":{"label":"Payments to Acquire Mortgage Notes Receivable","description":"The cash outflow from the purchase of receivables arising from the mortgage note on real estate.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":5223000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":5223000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013"}]}},"PaymentsToDevelopRealEstateAssets":{"label":"Payments to Develop Real Estate Assets","description":"Payments to develop real estate assets is the process of adding improvements on or to a parcel of land. Such improvements may include drainage, utilities, subdividing, access, buildings, and any combination of these elements; and are generally classified as cash flow from investing activities.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":85441000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":20784000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":26320000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":35057000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":35057000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":3016000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":4798000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":4798000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":6724000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":6724000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":9145000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":9145000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":9145000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":2786000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":2786000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":11137000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":11137000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":28982000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":28982000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":42148000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":42148000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":42148000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":12584000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":12584000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":24695000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":24695000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":34834000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":34834000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":55404000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":55404000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":55404000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":17254000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":17254000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":40165000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":40165000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":61561000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":61561000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":76240000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":76240000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":76240000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":21231000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":21231000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":56125000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":56125000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":80748000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":80748000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":97696000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":97696000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":97696000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":18036000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":18036000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":48226000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":48226000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":75768000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":75768000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":95032000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":95032000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":95032000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":16598000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":16598000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":37669000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":37669000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":94781000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":94781000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":203765000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":203765000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":203765000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":22178000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":22178000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":47767000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":47767000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":80462000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":80462000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":124938000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":124938000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":124938000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":31212000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":31212000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":61023000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":61023000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":118489000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":118489000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":167667000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":167667000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":167667000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":42846000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":42846000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":115666000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":115666000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":191872000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":191872000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":318288000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":318288000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":318288000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":69687000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":69687000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":104863000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":104863000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":129997000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":129997000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":195446000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":195446000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":195446000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":47539000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":47539000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":111378000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":115113000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":189955000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":189955000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":418855000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":418855000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":418855000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":127112000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":127112000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":283451000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":283451000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":395313000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":395313000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":494073000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":494073000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":494073000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":64112000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":64112000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":172940000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":172940000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":286256000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":286256000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":388213000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":388213000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":388213000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":57771000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":57771000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":122898000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":122898000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":181353000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":181353000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":245033000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":245033000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":56346000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":56346000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":158709000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":242121000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":321934000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":45312000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"PreferredStockDividends":{"label":"Preferred Stock Dividends (Deprecated 2011-01-31)","description":"The amount of dividends declared or paid in the period to preferred shareholders, or the amount for which the obligation to pay them dividends arose in the period.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":1326000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2010"}]}},"PrepaidExpenseAndOtherAssets":{"label":"Prepaid Expense and Other Assets","description":"Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets.","units":{"USD":[{"end":"2009-12-31","val":61294000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":61294000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":61294000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":61461000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":62553000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":62409000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":62409000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":7456000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":7456000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":6680000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":63349000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":6784000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":5719000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":8085000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":8085000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":8085000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":8085000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":8085000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":7327000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":11799000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":5180000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":7093000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":7093000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":7093000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":7093000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":7093000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":8315000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":7381000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":4586000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":7037000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":7037000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":7037000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":7037000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":7037000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":6523000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":8673000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":5225000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":7446000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":7446000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":7446000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":7446000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":7446000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":8631000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":5888000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":5642000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":6960000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":6960000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":6960000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":6960000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":6960000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":6221000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":6330000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":6737000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":7606000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":7606000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":7606000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":7606000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":7606000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":8094000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":8909000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":7731000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":11490000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":10215000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":10215000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":10215000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":10215000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":8336000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":7278000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5870000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":8265000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":8265000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":8265000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":8265000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":8265000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":8381000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":13131000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":13604000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":18545000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":18545000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":18545000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":18545000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":18545000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":17799000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":17186000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":19765000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":22491000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":22491000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":22491000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":22491000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":22491000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":21293000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":18159000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":11146000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":16747000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":5904000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":5904000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":5090000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":5090000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":12535000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":8748000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":10137000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":13791000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":11327000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":11327000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":11327000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":11327000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":11615000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":5648000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":6593000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":7569000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":7569000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":7569000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":7569000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":7569000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":9178000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":7107000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":7740000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":8316000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":8316000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":8316000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":8316000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":8316000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":10397000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":6840000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":7537000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":13594000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":13594000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":10507000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"ProceedsFromBankDebt":{"label":"Proceeds from Bank Debt","description":"The cash inflow from bank borrowing during the year.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":331644000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":133441000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":175313000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":225314000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":225314000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":71461000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":104945000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":104945000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":139343000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":139343000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":211041000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":211041000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":211041000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":85224000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":85224000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":135491000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":135491000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":213034000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":213034000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":336575000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":336575000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":336575000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":63895000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":63895000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":143560000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":143560000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":186072000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":186072000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":284877000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":284877000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":284877000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":66325000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":66325000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":194775000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":194775000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":307725000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":307725000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":424375000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":424375000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":424375000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":64078000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":64078000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":165969000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":165969000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":251033000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":251033000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":350214000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":350214000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":350214000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":139931000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":139931000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":195545000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":195545000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":273253000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":273253000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":420104000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":420104000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":420104000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":76646000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":76646000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":168283000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":168283000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":444314000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":444314000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":608349000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":608349000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":608349000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":84734000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":84734000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":193658000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":193658000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":281342000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":281342000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":391617000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":391617000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":391617000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":91387000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":91387000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":216672000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":216672000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":311641000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":311641000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":448100000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":448100000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":448100000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":144635000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":144635000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":377133000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":377133000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":660431000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":660431000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":932658000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":932658000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":932658000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":221777000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":221777000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":318115000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":318115000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":423270000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":423270000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":625387000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":625387000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":625387000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":96798000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":96798000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":195137000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":195137000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":316893000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":316893000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":625520000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":625520000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":217290000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":217290000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":501523000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":501523000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":695726000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":695726000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":942173000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":143872000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":275080000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-09-30","val":334230000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"}]}},"ProceedsFromIssuanceOfCommonStock":{"label":"Proceeds from Issuance of Common Stock","description":"The cash inflow from the additional capital contribution to the entity.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":57179000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":24633000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":25623000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":57181000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":57181000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":307000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":303000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":303000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":303000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":303000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":303000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":303000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":303000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":450000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":450000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":25181000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":25181000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":25181000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":16284000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":16284000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":64202000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":64202000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":74903000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":74903000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":109588000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":109588000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":109588000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":13798000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":13798000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":13877000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":13877000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":33490000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":33490000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":53247000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":53247000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":53247000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":19602000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":19602000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":37033000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":37033000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":59110000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":59110000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":78868000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":78868000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":78868000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":52000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":52000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":52000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":52000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":6233000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":6233000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":6233000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":6233000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":6233000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":24693000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":24693000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":29643000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":29643000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":59283000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":59283000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":59283000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":39456000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":39456000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":69105000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":69105000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":78956000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":78956000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":109207000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":109207000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":109207000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":14466000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":14466000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":74789000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":74789000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":112325000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":112325000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":157319000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":157319000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":157319000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":24400000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":24400000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":113436000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":113436000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":213562000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":213562000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":284710000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":284710000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":284710000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":14734000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":14734000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":44381000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":44381000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-07-01","end":"2020-07-29","val":1729000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-09-30","val":75743000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":75743000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":90721000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":90721000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":91055000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":46427000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":46427000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":105745000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":105891000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":154371000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":154609000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":273097000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":273409000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":273409000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":74179000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":74249000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":74249000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":74249000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":75379000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":75379000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":75622000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":75622000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":75622000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":105716000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":105716000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":283511000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":283511000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":450869000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":450869000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":692312000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":692312000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":692312000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":49364000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":49364000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":162111000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":162111000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":254356000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":254356000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":717659000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":717659000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":72908000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":72908000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":147006000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":264071000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":264071000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":69300000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"ProceedsFromIssuanceOfLongTermDebt":{"label":"Proceeds from Issuance of Long-term Debt","description":"The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":50000000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":50000000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-09-30","val":80000000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":80000000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":80000000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":80000000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":80000000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-09-30","val":100000000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-09-30","val":100000000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":175000000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":175000000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":175000000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":75000000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-09-30","val":75000000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-12-31","val":75000000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":75000000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2015-01-01","end":"2015-03-31","val":75000000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-03-31","val":75000000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-06-30","val":75000000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-06-30","val":75000000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-09-30","val":75000000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-12-31","val":150000000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":65000000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"}]}},"ProceedsFromIssuanceOfSecuredDebt":{"label":"Proceeds from Issuance of Secured Debt","description":"The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":137000000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":76365000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":76365000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":76365000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":76365000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":74000000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":74000000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":74000000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":65000000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-06-30","val":65000000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":65000000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-09-30","val":65000000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":65000000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":65000000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":65000000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2012-01-01","end":"2012-03-31","val":54000000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-03-31","val":54000000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-06-30","val":54000000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":54000000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":54000000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":54000000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":54000000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":54000000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":54000000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014"}]}},"ProceedsFromIssuanceOfUnsecuredDebt":{"label":"Proceeds from Issuance of Unsecured Debt","description":"The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":75000000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-09-30","val":75000000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":150000000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":150000000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":65000000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":105000000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":105000000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":205000000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":205000000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":205000000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":60000000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":60000000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":60000000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":60000000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":60000000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":60000000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":60000000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":60000000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":60000000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":60000000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":80000000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":80000000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":80000000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":80000000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":190000000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":190000000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":290000000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":290000000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":290000000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":100000000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":100000000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":100000000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":100000000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":100000000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":100000000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":275000000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":275000000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":275000000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":50000000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":50000000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":175000000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":175000000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":175000000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":175000000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":175000000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":175000000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":175000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":100000000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":100000000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":250000000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":250000000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":375000000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":375000000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":525000000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":525000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":525000000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":100000000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":100000000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":100000000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":100000000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":100000000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":100000000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":100000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":100000000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":100000000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":0,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":0,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-09-30","val":0,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":0,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":250000000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"ProceedsFromMinorityShareholders":{"label":"Proceeds from Noncontrolling Interests","description":"Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":2118000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2024-01-01","end":"2024-12-31","val":175000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":175000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":124000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"ProceedsFromPaymentsForOtherFinancingActivities":{"label":"Proceeds from (Payments for) Other Financing Activities","description":"Amount of cash inflow (outflow) from financing activities classified as other.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":188000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-317000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":-440000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":153000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":153000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":-1298000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-1386000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":-1386000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":-2320000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":-2320000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":-1985000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":-1985000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":-1985000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-981000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":-981000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-344000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":-344000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":-431000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":-431000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":-1451000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":-1451000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":-1451000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":38000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":38000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-100000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":-100000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":-244000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":-244000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":720000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":720000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":720000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-710000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":-710000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-915000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":-915000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":-1112000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":-1112000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":-1281000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":-1281000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":-1281000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-2032000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":-2032000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-2221000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":-2221000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":-2410000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":-2410000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":-2616000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":-2616000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":-1380000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-2222000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":-1897000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-2391000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":-1760000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":-2612000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":-1597000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":-2720000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":-1384000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-1384000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-2968000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":-2968000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-2918000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":-2918000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":-2599000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":-2599000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":-2462000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":-2462000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":-2462000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-2525000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":-2525000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-2617000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":-2617000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":-2711000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":-2711000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":-4534000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":-4534000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":-4534000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-5161000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":-5161000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-5193000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":-5193000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":-5239000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":-5239000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":-5364000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":-5364000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":-5364000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-2831000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":-2831000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-2874000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":-2874000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":-2291000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":-2291000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":-4346000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":-4346000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":-4346000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-4624000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":-4624000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-4644000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":-4644000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":-4750000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":-4750000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":-6082000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":-6082000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":-6082000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-4252000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":-4252000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-4264000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":-4264000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":-4334000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":-4334000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":-3807000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":-3807000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":-3807000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-7372000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":-7372000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-7376000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":-7376000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":-11120000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":-11120000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":-29756000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":-29756000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":-29756000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-4824000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":-4824000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":-4911000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":-4911000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":-4981000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":-4981000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":-5002000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":-5002000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":-5002000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":-6143000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":-6143000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":-6225000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":-6225000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":-6288000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":-6288000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":-6159000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":-6159000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":-4161000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":-4161000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":-4299000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":-4229000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":-4201000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":-6141000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"ProceedsFromSaleAndMaturityOfMarketableSecurities":{"label":"Proceeds from Sale and Maturity of Marketable Securities","description":"The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":7969000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2010"}]}},"ProceedsFromSaleOfRealEstateHeldforinvestment":{"label":"Proceeds from Sale of Real Estate Held-for-investment","description":"Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":11728000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":908000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":908000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":539000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":539000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":7399000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":7399000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":7399000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":7399000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":17087000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":17087000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":17087000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":1313000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":1313000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":4273000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":4273000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":4273000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":3471000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":3471000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":3471000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":3471000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":17269000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":17269000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":20625000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":20625000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":20625000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":158000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":158000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":5156000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":5156000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":5156000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":5156000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":5156000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":5156000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":5156000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":18974000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":18974000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":73467000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":73467000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":77298000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":77298000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":78780000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":78780000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":78780000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":773000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":773000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":39934000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":39934000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":39934000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":39934000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":42710000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":42710000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":42710000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":16826000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":16826000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":16826000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":16826000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":24508000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":24508000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":24508000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":24508000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":24508000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3679000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":3679000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":18102000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":18102000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":18102000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":18102000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":66737000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":66737000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":66737000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-12-31","val":21565000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":21565000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":21565000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":44260000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":44260000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":44260000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":38133000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":38133000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":51006000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":51006000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":51006000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":51006000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":51006000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":51006000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":51006000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":10765000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":10765000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":13821000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":13821000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":13821000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":13821000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":41539000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":41539000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":41539000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":17397000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":17397000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":17397000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":17397000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":17397000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":17397000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":17659000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":17659000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":0,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":0,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":3371000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":3371000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":3371000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":36291000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"ProceedsFromStockOptionsExercised":{"label":"Proceeds from Stock Options Exercised","description":"Amount of cash inflow from exercise of option under share-based payment arrangement.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":526000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":1095000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":1135000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":1180000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":1180000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-03-31","val":16000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":188000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-06-30","val":188000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":338000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-09-30","val":338000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":404000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":404000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":404000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":6000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-03-31","val":6000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-06-30","val":103000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-06-30","val":103000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":133000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-09-30","val":133000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":217000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":217000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":217000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2012-01-01","end":"2012-03-31","val":0,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":108000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-06-30","val":108000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":108000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-09-30","val":108000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":108000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":108000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":108000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-06-30","val":120000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-06-30","val":120000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":120000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-09-30","val":120000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":120000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":120000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":120000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015"}]}},"ProceedsFromUnsecuredNotesPayable":{"label":"Proceeds from Unsecured Notes Payable","description":"The cash inflow from borrowings supported by a written promise to pay an obligation that is uncollateralized (where debt is not backed by the pledge of collateral).","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":50000000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"}]}},"ProfitLoss":{"label":"Net Income (Loss), Including Portion Attributable to Noncontrolling Interest","description":"The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":34768000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":15067000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":7226000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":21311000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":6244000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":27094000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":27094000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":5006000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2010-01-01","end":"2010-03-31","val":5006000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":9584000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":9584000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":4578000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":4578000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":4578000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":13710000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":13710000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":4126000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":4126000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":4126000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":18755000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":18755000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":18755000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":5045000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":4902000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":4902000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-03-31","val":4902000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2011-01-01","end":"2011-03-31","val":4902000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":10517000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":10517000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":5615000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":5615000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-04-01","end":"2011-06-30","val":5615000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":5615000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":16308000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":16308000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":5791000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":5791000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-07-01","end":"2011-09-30","val":5791000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":5791000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":22834000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":22834000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":22834000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":6526000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-10-01","end":"2011-12-31","val":6526000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":5522000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":5522000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-03-31","val":5522000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2012-01-01","end":"2012-03-31","val":5522000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":13605000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":13605000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":8084000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":8084000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-04-01","end":"2012-06-30","val":8084000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":8084000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":20502000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":20502000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":6897000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":6897000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-07-01","end":"2012-09-30","val":6897000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":6897000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":32887000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":32887000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":32887000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":12385000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-10-01","end":"2012-12-31","val":12385000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":7308000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":7308000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-03-31","val":7308000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2013-01-01","end":"2013-03-31","val":7308000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":15098000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":15098000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":7790000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":7790000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-04-01","end":"2013-06-30","val":7790000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":7790000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":23612000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":23612000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":8514000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":8514000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-07-01","end":"2013-09-30","val":8514000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":8514000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":33225000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":33225000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":33225000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":9613000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-10-01","end":"2013-12-31","val":9613000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":8514000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":8514000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-03-31","val":8514000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":17756000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":17756000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":9242000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":9242000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-04-01","end":"2014-06-30","val":9242000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":35617000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":35617000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":17861000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":17861000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-07-01","end":"2014-09-30","val":17861000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":48473000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":48473000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":48473000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":12856000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":10061000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":10061000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2015-01-01","end":"2015-03-31","val":10061000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":24724000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":24724000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":14663000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":14663000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":14663000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":36821000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":36821000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":12097000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":12097000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":12097000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":48399000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":48399000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":48399000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":11578000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":21830000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":21830000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-03-31","val":21830000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2016-01-01","end":"2016-03-31","val":21830000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":65923000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":65923000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":44093000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":44093000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-04-01","end":"2016-06-30","val":44093000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":44093000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":80723000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":80723000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":14800000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":14800000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-07-01","end":"2016-09-30","val":14800000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":14800000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":96094000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":96094000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":96094000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":15371000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-10-01","end":"2016-12-31","val":15371000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":12973000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":12973000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-03-31","val":12973000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2017-01-01","end":"2017-03-31","val":12973000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":49950000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":49950000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":36977000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":36977000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-04-01","end":"2017-06-30","val":36977000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":36977000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":65922000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":65922000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":15972000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":15972000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-07-01","end":"2017-09-30","val":15972000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":15972000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":83589000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":83589000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":83589000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":17667000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-10-01","end":"2017-12-31","val":17667000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":28748000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":28748000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-03-31","val":-28748000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":28748000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-03-31","val":-28748000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-03-31","val":28748000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":47012000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":47012000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":18264000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":18264000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-04-01","end":"2018-06-30","val":18264000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":-18264000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-04-01","end":"2018-06-30","val":18264000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":70053000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":70053000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":23041000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":23041000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-07-01","end":"2018-09-30","val":23041000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":23041000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":88636000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":88636000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":88636000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":18583000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-10-01","end":"2018-12-31","val":18583000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":-22534000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":22534000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-03-31","val":-22534000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-03-31","val":22534000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-03-31","val":22534000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":22534000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-03-31","val":22534000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-03-31","val":22534000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":49483000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":49483000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":26949000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":-26949000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-04-01","end":"2019-06-30","val":26949000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-04-01","end":"2019-06-30","val":26949000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":26949000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-04-01","end":"2019-06-30","val":26949000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":72058000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":72058000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":22575000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":22575000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-07-01","end":"2019-09-30","val":22575000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":22575000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":123340000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":123340000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":123340000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":51282000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-10-01","end":"2019-12-31","val":51282000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":23298000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":23298000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-03-31","val":23298000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-03-31","val":23298000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-03-31","val":23298000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2020-01-01","end":"2020-03-31","val":23298000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-03-31","val":23298000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":46785000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":46785000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":23487000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":23487000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-04-01","end":"2020-06-30","val":23487000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-04-01","end":"2020-06-30","val":23487000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":23487000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":71196000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":71196000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":24411000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":24411000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-07-01","end":"2020-09-30","val":24411000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":108391000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":108391000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":108391000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":37195000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":27357000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":27357000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-03-31","val":27357000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-03-31","val":27357000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2021-01-01","end":"2021-03-31","val":27357000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-03-31","val":27357000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":54935000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":54935000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":27578000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":27578000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-04-01","end":"2021-06-30","val":27578000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":27578000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":85727000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":85727000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":30792000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":30792000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":157638000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":157638000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":157638000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":63604000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":63604000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-03-31","val":63604000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-03-31","val":63604000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2022-01-01","end":"2022-03-31","val":63604000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-03-31","val":63604000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":109769000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":109769000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":46165000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":46165000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-04-01","end":"2022-06-30","val":46165000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":46165000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":147586000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":147586000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":37817000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":37817000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":186274000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":186274000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":186274000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":44704000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":44704000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-03-31","val":44704000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-03-31","val":44704000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2023-01-01","end":"2023-03-31","val":44704000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-03-31","val":44704000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":88169000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":88169000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":43465000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":43465000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-04-01","end":"2023-06-30","val":43465000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":43465000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":137079000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":137079000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":48910000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":48910000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":200548000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":200548000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":200548000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":58658000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":58658000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-03-31","val":58658000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-03-31","val":58658000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2024-01-01","end":"2024-03-31","val":58658000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-03-31","val":58658000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":113959000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":113959000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":55301000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":55301000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-04-01","end":"2024-06-30","val":55301000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":55301000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":169153000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":169153000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":55194000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":55194000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":227807000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":227807000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":59437000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":59437000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-03-31","val":59437000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-03-31","val":59437000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":122750000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":63313000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":63313000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":189707000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":66957000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":257458000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":94624000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"PropertyPlantAndEquipmentUsefulLifeAverage":{"label":"Property, Plant and Equipment, Useful Life, Average (Deprecated 2012-01-31)","description":"The average useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.","units":{"Decimal":[{"start":"2011-01-01","end":"2011-12-31","val":40,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"}]}},"PropertyPlantAndEquipmentUsefulLifeMaximum":{"label":"Property, Plant and Equipment, Useful Life, Maximum (Deprecated 2012-01-31)","description":"The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.","units":{"Decimal":[{"start":"2011-01-01","end":"2011-12-31","val":15,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"}]}},"PropertyPlantAndEquipmentUsefulLifeMinimum":{"label":"Property, Plant and Equipment, Useful Life, Minimum (Deprecated 2012-01-31)","description":"The minimum useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.","units":{"Decimal":[{"start":"2011-01-01","end":"2011-12-31","val":3,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"}]}},"RealEstateAccumulatedDepreciation":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation","description":"Amount of accumulated depreciation pertaining to real estate investments for entities with a substantial portion of business acquiring and holding investment real estate.","units":{"USD":[{"end":"2008-12-31","val":310351000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2008Q4I"},{"end":"2009-12-31","val":354745000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2009-12-31","val":354745000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2009Q4I"},{"end":"2010-12-31","val":403187000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2010-12-31","val":403187000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2010-12-31","val":403187000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2010Q4I"},{"end":"2011-12-31","val":451805000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":451805000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2011-12-31","val":451805000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2011-12-31","val":451805000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2011Q4I"},{"end":"2012-12-31","val":496247000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":496247000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2012-12-31","val":496247000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2012-12-31","val":496247000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2012Q4I"},{"end":"2013-12-31","val":550113000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":550113000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2013-12-31","val":550113000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2013-12-31","val":550113000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2013Q4I"},{"end":"2014-12-31","val":600526000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":600526000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2014-12-31","val":600526000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2014-12-31","val":600526000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":657454000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":657454000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2015-12-31","val":657454000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2015-12-31","val":657454000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":694250000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":694250000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2016-12-31","val":694250000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2016-12-31","val":694250000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2016Q4I"},{"end":"2017-12-31","val":749601000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":749601000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2017-12-31","val":749601000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2017-12-31","val":749601000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2017Q4I"},{"end":"2018-12-31","val":814915000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":814915000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2018-12-31","val":814915000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2018-12-31","val":814915000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2018Q4I"},{"end":"2019-12-31","val":871139000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":871139000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2019-12-31","val":871139000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2019-12-31","val":871139000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2019Q4I"},{"end":"2020-12-31","val":955328000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":955328000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2020-12-31","val":955328000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2020-12-31","val":955328000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1035617000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":1035617000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2021-12-31","val":1035617000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2021-12-31","val":1035617000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2021Q4I"},{"end":"2022-12-31","val":1150814000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":1150814000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2022-12-31","val":1150814000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2022-12-31","val":1150814000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2022Q4I"},{"end":"2023-12-31","val":1273723000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":1273723000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2023-12-31","val":1273723000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023Q4I"},{"end":"2024-12-31","val":1415576000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":1415576000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-12-31","val":1583532000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"RealEstateAccumulatedDepreciationDepreciationExpense":{"label":"Real Estate Accumulated Depreciation, Depreciation Expense (Deprecated 2013-01-31)","description":"Amount of depreciation expense for the period.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":45195000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":48442000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":48442000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":48648000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":48648000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2012-01-01","end":"2012-12-31","val":51564000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012"}]}},"RealEstateAccumulatedDepreciationOtherDeductions":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Other Deduction","description":"Amount of other deductions to accumulated depreciation, excluding sales, for entities with a substantial portion of business acquiring and holding investment real estate.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-30000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":30000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":30000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":303000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":303000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":303000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":292000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":292000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":292000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":365000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":365000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":365000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":206000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":206000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":206000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":496000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":496000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":496000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":924000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":924000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":924000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":2023000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":2023000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":2023000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":3336000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":3336000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":3336000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":2502000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":2502000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":2502000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":1905000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":1905000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":1905000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":3934000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":3934000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":3934000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":6335000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":6335000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":6335000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":3119000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":3119000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":7972000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"RealEstateAccumulatedDepreciationRealEstateSold":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Investment in Real Estate Sold","description":"Amount of decrease to accumulated depreciation for real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-801000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":6819000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":6819000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":6819000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":126000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":126000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":126000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":6525000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":6525000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":6525000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":2748000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":2748000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":2748000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":26501000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":26501000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":26501000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":12735000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":12735000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":12735000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":8670000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":8670000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":8670000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":27030000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":27030000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":27030000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":9599000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":9599000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":9599000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":10178000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":10178000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":10178000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":6068000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":6068000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":6068000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":11759000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":11759000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":11759000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":10268000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":10268000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":252000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"RealEstateAndAccumulatedDepreciationAccumulatedDepreciation":{"label":"Real Estate and Accumulated Depreciation, Accumulated Depreciation (Deprecated 2013-01-31)","description":"The amount of accumulated depreciation for the property as of the balance sheet date.","units":{"USD":[{"end":"2011-12-31","val":451805000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":496247000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"}]}},"RealEstateAndAccumulatedDepreciationAmountOfEncumbrances":{"label":"SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances","description":"Amount of lien or mortgage outstanding on real estate investment properties for entities with a substantial portion of business acquiring and holding investment real estate.","units":{"USD":[{"end":"2011-12-31","val":628170000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":607766000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":499793000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":453776000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":351401000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":258594000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":200354000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"}]}},"RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount","description":"Amount before accumulated depreciation of buildings and improvements for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest.","units":{"USD":[{"end":"2011-12-31","val":1365604000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":1452488000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":1588462000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":1724875000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":1847360000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1973703000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":2125655000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":2329668000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"},{"end":"2019-12-31","val":2660624000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-12-31","val":2848501000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"},{"end":"2021-12-31","val":3289109000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"},{"end":"2022-12-31","val":3924913000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2023-12-31","val":4379965000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":4993314000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":5369755000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"RealEstateAndAccumulatedDepreciationCarryingAmountOfLand":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount","description":"Amount of land for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest.","units":{"USD":[{"end":"2011-12-31","val":296989000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":315544000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":338864000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":350071000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":372088000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":433278000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":451818000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":487477000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"},{"end":"2019-12-31","val":591945000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-12-31","val":659511000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"},{"end":"2021-12-31","val":739581000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"},{"end":"2022-12-31","val":990117000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2023-12-31","val":1095234000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":1146209000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":1295257000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"RealEstateAndAccumulatedDepreciationCarryingAmountOfLandAndBuildingsAndImprovements":{"label":"Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements (Deprecated 2013-01-31)","description":"Gross amount at which land and buildings and improvements are carried at the end of the period for each property.","units":{"USD":[{"end":"2011-12-31","val":1662593000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":1768032000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"}]}},"RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost","description":"Amount of cost capitalized subsequent to acquisition for real estate investment property, including, but not limited to, real estate tax and insurance, by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes initial purchase price and improvement, and real estate not held as investment or interest.","units":{"USD":[{"end":"2011-12-31","val":532402000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":587289000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":677595000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":787232000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":887153000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":966700000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1080998000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1245721000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1453028000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-12-31","val":1601767000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1826204000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"},{"end":"2022-12-31","val":2119832000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2023-12-31","val":2469869000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":2749657000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":3020279000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements","description":"Initial cost of buildings and improvements for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest.","units":{"USD":[{"end":"2011-12-31","val":837129000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":869126000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":919699000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":944800000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":965253000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1012033000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1049394000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":1087145000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"},{"end":"2019-12-31","val":1210776000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-12-31","val":1251222000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1467360000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"},{"end":"2022-12-31","val":1811745000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2023-12-31","val":1917582000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":2251055000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":2356922000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"RealEstateAndAccumulatedDepreciationInitialCostOfLand":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land","description":"Initial cost of land for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest.","units":{"USD":[{"end":"2011-12-31","val":293062000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":311617000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":330032000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":342914000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":367042000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":428248000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":447081000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"},{"end":"2018-12-31","val":484279000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2018Q4I"},{"end":"2019-12-31","val":588765000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-12-31","val":655023000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"},{"end":"2021-12-31","val":735126000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2021Q4I"},{"end":"2022-12-31","val":983453000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2023-12-31","val":1087748000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":1138811000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":1287811000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"RealEstateCostOfRealEstateSold":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Cost of Investment in Real Estate Sold","description":"Amount of real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-1680000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":16756000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":16756000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":16756000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":3475000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":3475000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":3475000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":17049000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":17049000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":17049000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":4750000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":4750000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":4750000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":61121000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":61121000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":61121000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":32787000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":32787000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":32787000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":18372000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":18372000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":18372000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":51662000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":51662000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":51662000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":17182000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":17182000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":17182000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":15288000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":15288000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":15288000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":9811000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":9811000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":9811000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":33022000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":33022000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":33022000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":18633000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":18633000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":3632000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"RealEstateFederalIncomeTaxBasis":{"label":"SEC Schedule III, Real Estate, Federal Income Tax Basis","description":"Cost basis of real estate investments for federal income tax purposes for entities with a substantial portion of business acquiring and holding investment real estate.","units":{"USD":[{"end":"2011-12-31","val":1618749000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"},{"end":"2012-12-31","val":1727509000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":1893741000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":2044327000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2014Q4I"},{"end":"2015-12-31","val":2188766000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":2370650000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2016Q4I"},{"end":"2017-12-31","val":2536820000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017Q4I"}]}},"RealEstateGrossAtCarryingValue":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross","description":"Amount, before accumulated depreciation, of real estate investment by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes real estate not held as investment or interest.","units":{"USD":[{"end":"2008-12-31","val":1402636000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2008Q4I"},{"end":"2009-12-31","val":1468182000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2009-12-31","val":1468182000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2009Q4I"},{"end":"2010-12-31","val":1521177000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2010-12-31","val":1521177000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2010-12-31","val":1521177000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2010Q4I"},{"end":"2011-12-31","val":1662593000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":1662593000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2011-12-31","val":1662593000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2011-12-31","val":1662593000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2011Q4I"},{"end":"2012-12-31","val":1768032000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":1768032000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2012-12-31","val":1768032000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2012-12-31","val":1768032000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2012Q4I"},{"end":"2013-12-31","val":1927326000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":1927326000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2013-12-31","val":1927326000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2013-12-31","val":1927326000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2013Q4I"},{"end":"2014-12-31","val":2074946000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":2074946000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2014-12-31","val":2074946000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2014-12-31","val":2074946000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2014Q4I"},{"end":"2015-12-31","val":2219448000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":2219448000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2015-12-31","val":2219448000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2015-12-31","val":2219465000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":2406981000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":2406981000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2016-12-31","val":2407029000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2016-12-31","val":2407029000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2016Q4I"},{"end":"2017-12-31","val":2577473000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":2578748000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2017-12-31","val":2578748000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2017-12-31","val":2578748000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2017Q4I"},{"end":"2018-12-31","val":2817145000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":2817145000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2018-12-31","val":2817145000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2018-12-31","val":2817145000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2018Q4I"},{"end":"2019-12-31","val":3264566000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":3264566000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2019-12-31","val":3264566000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2019-12-31","val":3264566000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2019Q4I"},{"end":"2020-12-31","val":3519085000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":3519085000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2020-12-31","val":3519085000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2020-12-31","val":3519085000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2020Q4I"},{"end":"2021-12-31","val":4051325000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":4051325000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2021-12-31","val":4051325000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2021-12-31","val":4051325000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2021Q4I"},{"end":"2022-12-31","val":4934421000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":4934421000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2022-12-31","val":4934421000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2022-12-31","val":4934421000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2022Q4I"},{"end":"2023-12-31","val":5493195000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":5493195000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2023-12-31","val":5493195000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023Q4I"},{"end":"2024-12-31","val":6177916000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":6177916000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-12-31","val":6699988000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"RealEstateHeldforsale":{"label":"Real Estate Held-for-sale","description":"Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.","units":{"USD":[{"end":"2013-12-31","val":0,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q4I"},{"end":"2014-06-30","val":425000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-12-31","val":0,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1983000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-12-31","val":0,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":0,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q4I"},{"end":"2016-03-31","val":721000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":3232000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2018-12-31","val":0,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q4I"},{"end":"2019-09-30","val":15949000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2020-12-31","val":0,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-12-31","val":5695000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":5695000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":5695000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":5695000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":5695000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":0,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":0,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":0,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2025-12-31","val":0,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":1352000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"RealEstateImprovements":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Improvements","description":"Amount of increase in real estate investments related to improvements for entities with a substantial portion of business acquiring and holding investment real estate.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":16212000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":23953000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":23953000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":18686000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":18686000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":18686000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":18164000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":18164000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":18164000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":21438000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":21438000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":21438000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":19862000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":19862000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":19862000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":25778000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":25778000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":25778000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":23157000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":23157000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":23188000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":27471000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":28698000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":28698000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":36921000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":36921000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":36921000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":37558000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":37558000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":37558000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":33522000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":33522000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":33522000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":36692000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":36692000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":36692000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":40654000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":40654000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":40654000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":51643000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":51643000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":51643000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":60007000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":60007000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":76609000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"RealEstateInventoryCapitalizedInterestCostsIncurred":{"label":"Real Estate Inventory, Capitalized Interest Costs Incurred","description":"The amount of interest capitalized to an operative builder's inventory during the period.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":5856000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":3613000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":3613000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":3771000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":3771000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":3771000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":4660000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":4660000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":4660000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":5064000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":5064000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":5064000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":4942000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":4942000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":4942000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":5257000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":5257000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":5257000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":5340000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":5340000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":5340000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":5765000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":5765000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":5765000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":6334000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":6334000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":6334000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":8453000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":8453000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":8453000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":9651000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":9651000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":9651000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":9028000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":9028000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":9028000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":12393000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":12393000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":12393000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":16235000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":16235000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":16235000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":19823000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":19823000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":21730000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"RealEstateInvestmentPropertyAccumulatedDepreciation":{"label":"Real Estate Investment Property, Accumulated Depreciation","description":"The cumulative amount of depreciation for real estate property held for investment purposes.","units":{"USD":[{"end":"2009-12-31","val":354745000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":354745000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":354745000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":378953000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":391174000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":403187000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":403187000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":403187000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":403187000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":403187000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":415276000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":427290000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":439465000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":451805000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":451805000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":451805000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":451805000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":451805000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":464873000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":475389000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":487902000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":496247000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":496247000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":496247000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":496247000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":496247000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":509302000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":522520000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":536332000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":550113000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":550113000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":550113000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":550113000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":550113000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":562185000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":576182000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":588059000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":600526000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":600526000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":600526000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":600526000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":600526000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":612630000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":627336000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":642142000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":657454000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":657454000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":657454000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":657454000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":-657454000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":665010000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":664093000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":679948000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":-694250000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":694250000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":694250000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":694250000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":694250000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":710875000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":715254000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":732566000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":749601000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":749601000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":749601000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":749601000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":749601000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":760142000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":778676000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":796037000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":814915000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":814915000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":814915000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":814915000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":814915000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":832925000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":847562000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":854368000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":871139000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":871139000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":871139000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":871139000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":871139000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":893631000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":916656000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":940223000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":955328000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":955328000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":955328000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":955328000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":955328000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":979709000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1004428000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1031027000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1035617000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":1035617000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":1035617000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":1035617000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":1035617000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1061190000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1089156000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1121208000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":1150814000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":1150814000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":1150814000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":1150814000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":1150814000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":1179134000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":1212857000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":1246312000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":1273723000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":1273723000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":1273723000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":1273723000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":1273723000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":1299905000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":1336535000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":1376198000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":1415576000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":1415576000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":1415576000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":1415576000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":1415576000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":1456556000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":1498548000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":1540937000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":1583532000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":1583532000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":1608368000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"RealEstateInvestmentPropertyAtCost":{"label":"Real Estate Investment Property, at Cost","description":"Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.","units":{"USD":[{"end":"2009-12-31","val":1468182000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":1468182000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":1468182000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":1502723000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":1511256000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":1521177000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":1521177000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":1521177000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":1521177000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":1521177000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":1529918000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":1542545000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":1586168000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1662593000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":1662593000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":1662593000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":1662593000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":1662593000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":1682162000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1692733000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1713704000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1768032000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":1768032000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":1768032000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":1768032000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":1768032000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1790244000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1881998000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1909470000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1927326000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":1927326000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":1927326000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":1927326000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":1927326000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1947748000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":2025106000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":2045449000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":2074946000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":2074946000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":2074946000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":2074946000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":2074946000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":2091658000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":2131104000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2165152000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":2219448000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":2219448000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":2219448000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":2219448000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":2219448000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2225982000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2209792000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2296500000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2406981000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":2406981000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":2406981000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":2406981000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":2406981000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2452047000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":2470028000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2510214000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":2577473000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":2578748000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":2578748000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":2578748000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":2578748000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2601792000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2668980000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2756407000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2817145000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":2817145000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":2817145000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":2817145000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":2817145000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2874440000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":3007067000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3093895000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":3264566000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":3264566000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":3264566000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":3264566000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":3264566000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":3348302000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3391306000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":3422659000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":3519085000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":3519085000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":3519085000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":3519085000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":3519085000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3576663000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":3656224000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":3837087000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":4051325000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":4051325000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":4051325000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":4051325000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":4051325000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":4187080000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":4709876000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":4829854000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":4934421000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":4934421000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":4934421000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":4934421000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":4934421000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":5003434000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":5153585000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":5328816000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":5493195000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":5493195000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":5493195000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":5493195000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":5493195000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":5598171000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":5732271000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":5838149000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":6177916000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":6177916000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":6177916000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":6177916000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":6177916000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":6251866000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":6372964000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":6592282000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":6699988000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":6699988000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":6762335000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"RealEstateInvestmentPropertyNet":{"label":"Real Estate Investment Property, Net","description":"Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.","units":{"USD":[{"end":"2009-12-31","val":1113437000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":1113437000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":1113437000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":1123770000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":1120082000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":1117990000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":1117990000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":1117990000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":1117990000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":1117990000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":1114642000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":1115255000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":1146703000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1210788000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":1210788000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":1210788000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":1210788000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":1210788000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":1217289000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1217344000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1225802000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1271785000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":1271785000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":1271785000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":1271785000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":1271785000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1280942000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1359478000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1373138000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1377213000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":1377213000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":1377213000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":1377213000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":1377213000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1385563000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1448924000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1457390000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1474420000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":1474420000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":1474420000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":1474420000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":1474420000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1479028000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1503768000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1523010000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1561994000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":1561994000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":1561994000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":1561994000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":1561994000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1560972000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1545699000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1616552000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1712731000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":1712731000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":1712731000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":1712731000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":1712731000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":1741172000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":1754774000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":1777648000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1827872000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":1829147000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":1829147000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":1829147000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":1829147000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1841650000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1890304000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1960370000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2002230000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":2002230000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":2002230000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":2002230000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":2002230000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2041515000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2159505000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2239527000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2393427000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":2393427000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":2393427000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":2393427000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":2393427000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2454671000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2474650000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2482436000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2563757000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":2563757000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":2563757000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":2563757000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":2563757000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2596954000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":2651796000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":2806060000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":3015708000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":3015708000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":3015708000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":3015708000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":3015708000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":3125890000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":3620720000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":3708646000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":3783607000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":3783607000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":3783607000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":3783607000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":3783607000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":3824300000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":3940728000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":4082504000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":4219472000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":4219472000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":4219472000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":4219472000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":4219472000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":4298266000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":4395736000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":4461951000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":4762340000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":4762340000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":4762340000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":4762340000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":4762340000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":4795310000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":4874416000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":5051345000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":5116456000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":5116456000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":5153967000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"RealEstateOtherAcquisitions":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Acquisition","description":"Amount of increase in real estate investments from acquisitions other than through foreclosure for entities with a substantial portion of business acquiring and holding investment real estate.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":15957000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":19897000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":19897000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":80624000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":80624000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":80624000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":48934000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":48934000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":48934000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":65387000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":65387000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":65387000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":47477000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":47477000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":47477000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":28648000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":28648000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":28648000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":22228000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":22228000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":22228000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":51802000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":51802000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":51802000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":54537000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":54537000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":54537000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":135033000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":135033000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":135033000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":46240000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":46240000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":46240000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":104205000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":104205000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":104205000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":353221000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":353221000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":353221000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":160105000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":160105000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":160105000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":381774000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":381774000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":139894000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"RealEstateOtherAdditions":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Addition","description":"Amount of other additions excluding acquisition or improvement to real estate investments for entities with a substantial portion of business acquiring and holding investment real estate.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":35057000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":9145000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":9145000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":42148000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":42148000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":42148000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":55404000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":55404000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":55404000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":76240000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":76240000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":76240000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":97696000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":97696000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":97696000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":95032000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":95032000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":95032000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":203765000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":203765000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":203765000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":124938000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":124938000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":124938000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":167667000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":167667000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":167667000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":318288000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":318288000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":318288000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":195446000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":195446000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":195446000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":415260000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":415260000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":415260000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":506154000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":506154000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":506154000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":388213000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":388213000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":388213000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":245033000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":245033000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":321934000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"RealEstateOtherDeductions":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Deduction","description":"Amount of other deductions to real estate investments, excluding sales, for entities with a substantial portion of business acquiring and holding investment real estate.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-42000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":42000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":42000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":307000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":307000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":307000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":296000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":296000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":296000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":366000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":366000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":366000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":206000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":206000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":206000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":496000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":496000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":496000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":932000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":932000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":932000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":2356000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":2356000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":2356000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":3793000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":3793000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":3793000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":2583000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":2583000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":2583000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":1958000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":1958000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":1958000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":3878000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":3878000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":3878000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":6770000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":6770000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":6770000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":3857000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":3857000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":9316000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"RealEstateRevenueNet":{"label":"Real Estate Revenue, Net (Deprecated 2018-01-31)","description":"The aggregate revenue from real estate operations during the reporting period.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":168255000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":86354000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":43044000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":129518000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":43164000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":172273000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":172273000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":44431000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":87959000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":87959000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":43528000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":43528000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":131077000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":131077000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":43118000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":43118000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":173002000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":173002000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":171887000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":43255000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":43255000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":86499000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":86297000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":43244000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":43127000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":130441000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":130116000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":43942000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":43819000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":174484000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":173021000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":173008000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":46784000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":46383000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":93095000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":92566000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":46458000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":46184000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":140077000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":139252000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":46982000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":46686000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":186117000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":185783000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":185783000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":48228000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":48153000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":97268000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":97110000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":49040000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":48957000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":148484000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":148254000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":51216000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":51144000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":201849000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":201849000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":201849000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":52777000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":52777000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":106578000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":106578000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":53801000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":53801000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":162474000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":162474000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":55896000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":55896000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":219706000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":219706000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":219706000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":57575000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":57575000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":115402000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":115402000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":57827000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":57827000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":173922000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":173922000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":58520000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":58520000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":234918000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":234918000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":234918000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":61568000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":61568000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":123450000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":123450000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":61882000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":61882000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":186628000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":186628000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":63178000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":63178000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":252961000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":252961000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":66137000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":66137000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":133992000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":133992000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":67855000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":67855000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":202704000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":68712000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":274031000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":72120000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":145840000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":73720000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2"}]}},"RepaymentsOfBankDebt":{"label":"Repayments of Bank Debt","description":"The cash outflow to settle a bank borrowing during the year.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":357202000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":149220000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":184735000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":246044000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":246044000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":36069000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":63506000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":63506000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":94280000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":94280000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":208903000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":208903000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":208903000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":32296000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":32296000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":118040000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":118040000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":160030000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":160030000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":273353000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":273353000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":273353000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":99494000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":99494000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":177131000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":177131000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":294137000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":294137000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":363233000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":363233000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":363233000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":50890000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":50890000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":94002000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":94002000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":272218000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":272218000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":411583000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":411583000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":411583000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":53671000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":53671000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":112529000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":112529000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":255465000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":255465000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":339765000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":339765000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":339765000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":124972000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":124972000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":161618000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":161618000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":229508000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":229508000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":368669000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":368669000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":368669000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":60309000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":60309000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":282802000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":282802000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":388569000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":388569000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":567165000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":567165000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":567165000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":76518000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":76518000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":217640000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":217640000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":255988000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":255988000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":387298000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":387298000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":387298000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":85634000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":85634000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":233989000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":233989000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":336789000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":336789000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":448709000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":448709000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":448709000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":207497000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":207497000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":376983000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":376983000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":716155000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":716155000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":1015678000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":1015678000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":1015678000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":251524000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":251524000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":363787000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":363787000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":458506000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":458506000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":613097000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":613097000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":613097000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":129480000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":129480000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":320137000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":320137000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":380877000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":380877000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":541310000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":541310000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":229187000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":229187000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":504314000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":504314000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":749053000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":749053000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":981383000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":241845000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":445080000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-09-30","val":504230000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"}]}},"RepaymentsOfSecuredDebt":{"label":"Repayments of Secured Debt","description":"The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":16434000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":49723000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":54472000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":59100000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":59100000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":4899000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":9668000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":9668000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":14714000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":14714000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":32401000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":32401000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":32401000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":41269000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":41269000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":69399000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":69399000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":75222000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":75222000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":81128000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":81128000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":81128000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":9736000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":9736000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":58201000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":58201000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":68282000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":68282000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":74308000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":74308000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":74308000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":6106000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":6106000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":12296000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":12296000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":51920000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":51920000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":107953000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":107953000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":107953000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":5532000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":5532000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":11152000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":11152000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":43268000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":43268000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":48846000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":48846000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":-48846000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":63119000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":63119000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":68042000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":68042000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":73031000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":73031000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":102337000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":-102337000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":-102337000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":4656000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":4656000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":9376000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":9376000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":89295000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":89295000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":-92773000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":-92773000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":-92773000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":3526000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":3526000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":7098000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":7098000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":55478000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":55478000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":-58209000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":-58209000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":58209000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":2767000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":2767000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":5570000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":5570000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":8410000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":8410000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":-11289000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":11289000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":11289000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2916000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":2916000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":51085000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":51085000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":53301000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":53301000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":55593000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":55593000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":55593000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":2220000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":2220000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":4465000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":4465000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":6733000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":6733000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":54306000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":54306000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":54306000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":42263000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":42263000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":42924000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":42924000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":43591000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":43591000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":76920000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":76920000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":76920000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":23000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":23000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":60047000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":60047000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":60070000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":60070000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":60096000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":60096000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":60096000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":24000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":24000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":49000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":49000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":1970000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":1970000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":1970000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":1970000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":1970000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":0,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":0,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-09-30","val":0,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":0,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":0,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"RepaymentsOfUnsecuredDebt":{"label":"Repayments of Unsecured Debt","description":"The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-09-30","val":-80000000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":80000000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":-80000000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":-80000000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":-80000000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":-50000000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":50000000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":-50000000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":50000000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":-50000000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":50000000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":-50000000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-09-30","val":75000000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":-75000000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":75000000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":75000000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":75000000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-09-30","val":-30000000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":-30000000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":105000000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":105000000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":105000000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":-40000000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":40000000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":40000000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":40000000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":40000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":75000000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":75000000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":75000000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":75000000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":75000000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":75000000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":75000000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":75000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":75000000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":65000000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":65000000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":65000000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":65000000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":115000000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":115000000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":115000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":115000000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":115000000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":0,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":0,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":0,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":0,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":50000000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":50000000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":170000000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":170000000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":50000000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":50000000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":50000000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":70000000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":145000000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":0,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"Revenues":{"label":"Revenues","description":"Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":168503000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":86393000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":43068000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":129579000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":43186000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":172354000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":172354000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":44459000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":88047000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":88047000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":43588000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":43588000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":131185000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":131185000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":43138000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":43138000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":173126000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":173126000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":171969000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":43278000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":43278000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":86543000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":86341000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":43265000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":43148000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":130505000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":130180000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":43962000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":43839000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":174631000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":173163000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":173150000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":46798000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":46397000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":93123000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":92594000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":46472000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":46198000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":140120000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":139295000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":46997000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":46701000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":186178000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":185844000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":185844000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":48275000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":48201000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":97454000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":97296000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":49179000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":49096000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":148704000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":148474000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":51250000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":51178000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":202171000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":202171000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":202171000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":52812000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":52812000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":106631000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":106631000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":53819000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":53819000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":162588000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":162588000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":55957000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":55957000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":219829000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":219829000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":219829000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":57592000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":57592000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":115436000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":115436000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":57844000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":57844000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":173989000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":173989000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":58553000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":58553000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":235008000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":235008000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":235008000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":61589000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":61589000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":123506000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":123506000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":61917000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":61917000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":186696000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":186696000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":63190000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":63190000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":253047000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":253047000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":253047000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":66154000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":66154000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":134048000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":134048000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":67894000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":67894000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":202794000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":202794000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":68746000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":68746000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":274150000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":274150000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":274150000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":72203000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":72203000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":147088000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":147088000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":74885000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":74885000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":222414000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":222414000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":75326000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":75326000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":300392000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":300392000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":300392000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":78798000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":78798000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":160899000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":160899000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":82101000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":82101000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":244837000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":244837000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":83938000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":83938000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":331387000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":331387000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":331387000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":88628000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":88628000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":178343000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":178343000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":89715000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":89715000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":270355000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":270355000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":92012000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":92012000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":363023000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":363023000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":363023000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":97931000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":97931000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":197506000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":197506000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":99575000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":99575000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":302103000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":302103000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":104597000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":104597000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":409475000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":409475000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":409475000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":112974000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":112974000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":231527000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":231527000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":118553000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":118553000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":357185000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":357185000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":125658000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":125658000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":487025000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":487025000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":487025000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":135025000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":135025000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":274912000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":274912000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":139887000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":139887000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":421442000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":421442000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":146530000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":146530000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":570591000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":570591000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":570591000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":154224000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":154224000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":313314000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":313314000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":159090000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":159090000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":476190000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":476190000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":162876000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":162876000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":640234000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":640234000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":174449000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":174449000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":351735000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":177286000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":533871000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":182136000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":721336000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":190256000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense":{"label":"SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Depreciation Expense","description":"Amount of depreciation expense of real estate investments for entities with a substantial portion of business acquiring and holding investment real estate.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":48648000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":51564000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":51564000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":54284000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":54284000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":54284000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":57303000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":57303000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":57303000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":59882000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":59882000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":59882000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":63793000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":63793000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":63793000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":69010000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":69010000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":69010000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":76007000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":76007000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":76007000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":86590000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":86590000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":86590000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":96290000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":96290000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":96290000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":104910000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":104910000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":104910000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":125199000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":125199000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":125199000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":141003000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":141003000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":141003000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":155240000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":155240000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":176180000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"SecuredDebt":{"label":"Secured Debt","description":"Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.","units":{"USD":[{"end":"2009-12-31","val":602949000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":602949000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":602949000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":593219000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":588142000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":644424000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":644424000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":644424000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":644424000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":644424000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":603124000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":639962000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":634108000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":628170000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":628170000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":628170000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":628170000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":628170000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":672393000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":623910000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":613797000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":607766000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":607766000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":607766000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":607766000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":607766000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":601655000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":595460000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":555831000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":499793000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":499793000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":499793000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":499793000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":499793000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":494256000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":488632000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":456511000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":453776000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":453776000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":453776000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":453776000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":453776000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":390646000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":385714000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":380715000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":351401000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":350285000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":350285000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":350285000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":350285000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":345444000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":340730000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":260910000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":257505000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":257505000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":257505000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":257505000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":257505000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":253986000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":250486000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":202178000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":199512000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":199512000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":199512000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":199512000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":199512000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":196809000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":194069000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":191292000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":188461000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":188461000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":188461000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":188461000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":188461000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":185606000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":137493000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":135330000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":133093000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":133093000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":133093000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":133093000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":133093000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":130926000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":128733000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":126515000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":78993000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":78993000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":78993000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":78993000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":78993000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":36783000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":36128000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":35466000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":2142000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":2142000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":2142000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":2142000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":2142000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":2115000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":2087000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":2059000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":2031000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":2031000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":2031000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":2031000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":2031000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":2003000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":1974000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":0,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"}]}},"SecurityDepositLiability":{"label":"Security Deposit Liability","description":"This element represents money paid in advance to protect the provider of a product or service, such as a lessor, against damage or nonpayment by the buyer or tenant (lessee) during the term of the agreement. Such damages may include physical damage to the property, theft of property, and other contractual breaches. Security deposits held may be interest or noninterest bearing.","units":{"USD":[{"end":"2010-12-31","val":8299000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":8299000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":8299000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":8677000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":8887000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":9184000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":9184000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":9184000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":9184000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":9184000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":9105000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":9326000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":9556000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":9668000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":9668000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":9668000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":9668000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":9668000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":9978000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":10530000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":10934000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":11359000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":11359000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":11359000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":11359000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":11359000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":11483000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":12086000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":12462000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":12803000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":12803000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":12803000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":12803000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":12803000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":12896000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":13072000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":13234000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":13943000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":13943000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":13943000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":13943000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":13943000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":14025000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":14077000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":14335000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":14782000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":14782000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":14782000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":14782000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":14782000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":15301000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":15957000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":16361000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":16668000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":16668000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":16668000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":16668000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":16668000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":16688000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":17317000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":17986000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":18432000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":18432000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":18432000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":18432000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":18432000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":19103000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":19226000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":19799000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":20351000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":20351000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":20351000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":20351000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":20351000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":20705000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":21175000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":21697000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":22140000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":22140000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":22140000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":22140000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":22140000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":24941000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":25357000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":27277000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":28343000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":28343000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":28343000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":28343000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":28343000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":30057000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":33220000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":33629000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":34272000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":34272000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":34272000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":34272000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":34272000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":35690000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":36503000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":36404000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":37102000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":37102000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":37102000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":37102000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":37102000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":38877000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":39995000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":40765000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":43506000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":43506000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":43506000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":43506000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":43506000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":44410000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":44893000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":46555000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":48200000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":48200000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":48585000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"ShareBasedCompensation":{"label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":2265000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":874000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":1344000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":1827000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":1827000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":493000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":952000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":952000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":1472000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":1472000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":1998000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":1998000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":1998000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":815000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":815000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":1382000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":1382000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-01-01","end":"2011-09-30","val":1910000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":1910000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-01-01","end":"2011-12-31","val":2452000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":2452000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":2452000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":1334000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":1334000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":2033000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":2033000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-01-01","end":"2012-09-30","val":2781000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":2781000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-01-01","end":"2012-12-31","val":3497000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":3497000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":3497000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":1370000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":1370000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":2327000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":2327000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-01-01","end":"2013-09-30","val":3204000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":3204000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-01-01","end":"2013-12-31","val":4229000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":4229000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":4229000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1677000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":1677000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":2824000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":2824000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-01-01","end":"2014-09-30","val":4005000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":4005000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-01-01","end":"2014-12-31","val":5146000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":5146000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":5146000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":2043000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":2043000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":3607000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":3607000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-01-01","end":"2015-09-30","val":5185000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":5185000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-01-01","end":"2015-12-31","val":6733000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":6733000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":6733000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":2790000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":2790000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":3324000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":3324000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-01-01","end":"2016-09-30","val":3959000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":3959000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-01-01","end":"2016-12-31","val":4590000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":4590000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":4590000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":2357000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":2357000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":3087000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":3087000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-01-01","end":"2017-09-30","val":4266000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":4266000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-01-01","end":"2017-12-31","val":5521000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":5521000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":5521000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1184000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":1184000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":2823000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":2823000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-09-30","val":4033000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":4033000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-01-01","end":"2018-12-31","val":5283000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":5283000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":5283000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1065000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":1065000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2960000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":2960000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-09-30","val":4177000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":4177000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-01-01","end":"2019-12-31","val":6838000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":6838000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":6838000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1226000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":1226000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":3421000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":3421000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-09-30","val":5033000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":5033000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-01-01","end":"2020-12-31","val":6579000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":6579000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":6579000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1597000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":1597000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":4011000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":4011000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":5840000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":5840000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":7511000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":7511000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1903000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":1903000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":4320000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":4320000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":6530000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":6530000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":8292000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":2784000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":4954000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-09-30","val":6835000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period","description":"The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.","units":{"shares":[{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":233,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value","description":"Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.","units":{"USD/shares":[{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period","description":"The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).","units":{"shares":[{"start":"2010-01-01","end":"2010-12-31","val":135704,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":79491,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":111732,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":19525,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":111732,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":111732,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":91149,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2018-01-01","end":"2018-12-31","val":50217,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":59943,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":69446,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value","description":"The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).","units":{"USD/shares":[{"start":"2010-01-01","end":"2010-12-31","val":36.86,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":44.99,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":48.79,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":48.96,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":48.79,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":48.79,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":57.1,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number","description":"The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.","units":{"shares":[{"end":"2009-12-31","val":124080,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2009Q4I"},{"end":"2010-12-31","val":170575,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010Q4I"},{"end":"2011-12-31","val":235929,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2011-12-31","val":235929,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":235929,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":235929,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2012-03-31","val":257259,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q1I"},{"end":"2012-06-30","val":276784,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q2I"},{"end":"2012-06-30","val":276784,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2012-09-30","val":276784,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":212206,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q4I"},{"end":"2012-12-31","val":212206,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2013-03-31","val":273039,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2017-12-31","val":152644,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2017Q4I"},{"end":"2018-12-31","val":143314,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018Q4I"},{"end":"2019-12-31","val":130884,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-12-31","val":113125,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value","description":"Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.","units":{"USD/shares":[{"end":"2009-12-31","val":36.93,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2009Q4I"},{"end":"2010-12-31","val":36.29,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010Q4I"},{"end":"2011-12-31","val":38.9,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2011-12-31","val":38.9,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":38.9,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2012-03-31","val":41.77,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q1I"},{"end":"2012-06-30","val":42.28,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q2I"},{"end":"2012-06-30","val":42.28,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2012-09-30","val":42.28,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":42.84,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2012Q4I"},{"end":"2012-12-31","val":42.84,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2013-03-31","val":46.55,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period","description":"The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.","units":{"shares":[{"start":"2010-01-01","end":"2010-12-31","val":89209,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":13904,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":70877,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":70877,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":135455,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":30316,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2018-01-01","end":"2018-12-31","val":59547,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":69363,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":86765,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value","description":"The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.","units":{"USD/shares":[{"start":"2010-01-01","end":"2010-12-31","val":38.05,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":41.77,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":41.27,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":41.27,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":40.88,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":52.32,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures","description":"Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.","units":{"shares":[{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-3010,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-440,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020"}]}},"SquareFootageOfRealEstateProperty":{"label":"Square Footage of Real Estate Property (Deprecated 2012-01-31)","description":"The amount of square footage related to a real estate property.","units":{"Decimal":[{"start":"2012-01-01","end":"2012-03-31","val":10500,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1"}]}},"StockholdersEquity":{"label":"Stockholders' Equity Attributable to Parent","description":"Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.","units":{"USD":[{"end":"2009-12-31","val":444519000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":444519000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":444519000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":426959000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":417718000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":408856000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":408856000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":408856000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":408856000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":408856000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-03-31","val":400123000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":392557000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":385246000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":402829000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":402829000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":402829000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":402829000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":402829000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":411706000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":458373000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":455093000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":486312000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":486312000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":486312000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":486312000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":486312000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":492616000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":489990000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":498947000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":513998000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":513998000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":513998000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":513998000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":513998000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":524158000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":536175000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":557914000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":571129000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":571129000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":571129000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":571129000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":571129000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":560371000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":562022000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":557502000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":554862000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":554862000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":554862000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":554862000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":554862000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":551995000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":603191000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":600803000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":637661000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":637661000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":637661000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":637661000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":637661000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":670642000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":716514000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":721848000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":749472000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":749472000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":749472000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":749472000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":749472000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":773048000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":839079000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":868321000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":903059000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":903059000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":903059000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":903059000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":903059000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":919868000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1007343000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1106482000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1200564000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":1200564000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":1200564000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":1200564000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":1200564000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1190631000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1215081000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1242920000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1269638000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":1269638000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":1269638000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":1269638000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":1269638000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1315911000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1372441000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1418898000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1570070000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":1570070000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":1570070000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":1570070000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":1570070000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1673033000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1984723000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1988900000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":1952998000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":1952998000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":1952998000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":1952998000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":1952998000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":2035967000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":2213377000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":2378964000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":2608327000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":2608327000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":2608327000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":2608327000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":2608327000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":2659043000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":2766690000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":2832444000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":3292179000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":3292179000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":3292179000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":3292179000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":3292179000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":3344870000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":3406868000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":3508702000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":3496201000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":3496201000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":3576593000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest":{"label":"Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest","description":"Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.","units":{"USD":[{"end":"2007-12-31","val":404697000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2007Q4I"},{"end":"2008-12-31","val":413376000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2008-12-31","val":413376000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2008Q4I"},{"end":"2009-12-31","val":447096000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"end":"2009-12-31","val":447096000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"end":"2009-12-31","val":447096000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2009-12-31","val":447096000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2009-12-31","val":447096000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2009Q4I"},{"end":"2010-06-30","val":429562000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2010Q2I"},{"end":"2010-09-30","val":420305000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2010Q3I"},{"end":"2010-12-31","val":411506000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"end":"2010-12-31","val":411506000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"end":"2010-12-31","val":411506000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":411506000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":411506000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2010-12-31","val":411506000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2010-12-31","val":411506000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2010Q4I"},{"end":"2011-03-31","val":402794000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1I"},{"end":"2011-06-30","val":395266000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":387991000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":405609000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":405609000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":405609000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":405609000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":405609000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2011-12-31","val":405609000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2011-12-31","val":405609000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2011Q4I"},{"end":"2012-03-31","val":414520000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":461163000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":457860000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":491176000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":491176000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":491176000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":491176000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":491176000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2012-12-31","val":491176000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2012-12-31","val":491176000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2012Q4I"},{"end":"2013-03-31","val":497439000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":494765000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":503684000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":518705000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":518705000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":518705000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":518705000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":518705000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2013-12-31","val":518705000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2013-12-31","val":518705000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2013Q4I"},{"end":"2014-03-31","val":528818000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":540771000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":562454000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":575615000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":575615000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":575615000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":575615000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":575615000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2014-12-31","val":575615000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2014-12-31","val":575615000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2014Q4I"},{"end":"2015-03-31","val":564807000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":566422000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":561865000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":559201000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":559201000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":559201000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":559201000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":559201000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2015-12-31","val":559201000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2015-12-31","val":559201000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":556283000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":607489000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":605030000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":641866000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":641866000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":641866000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":641866000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":641866000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2016-12-31","val":641866000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2016-12-31","val":641866000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2016Q4I"},{"end":"2017-03-31","val":674981000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":720846000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":726174000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":751130000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":751130000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":751130000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":751130000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":751130000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2017-12-31","val":751130000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2017-12-31","val":751130000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2017-12-31","val":751130000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2017-12-31","val":751130000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2017-12-31","val":751130000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2017Q4I"},{"end":"2018-03-31","val":774676000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2018-03-31","val":774676000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-03-31","val":774676000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-03-31","val":774676000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q1I"},{"end":"2018-06-30","val":840701000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2018-06-30","val":840701000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-06-30","val":840701000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q2I"},{"end":"2018-09-30","val":869931000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2018-09-30","val":869931000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3I"},{"end":"2018-12-31","val":904703000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":904703000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":904703000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":904703000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":904703000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2018-12-31","val":904703000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2018-12-31","val":904703000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2018-12-31","val":904703000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2018-12-31","val":904703000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2018-12-31","val":904703000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2018Q4I"},{"end":"2019-03-31","val":921474000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2019-03-31","val":921474000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2019-03-31","val":921474000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2019-03-31","val":921474000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-03-31","val":921474000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-03-31","val":921474000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1008902000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2019-06-30","val":1008902000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2019-06-30","val":1008902000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-06-30","val":1008902000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1108670000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2019-09-30","val":1108670000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1202329000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":1202329000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":1202329000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":1202329000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":1202329000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2019-12-31","val":1202329000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2019-12-31","val":1202329000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2019-12-31","val":1202329000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2019-12-31","val":1202329000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2019-12-31","val":1202329000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1192363000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2020-03-31","val":1192363000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2020-03-31","val":1192363000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2020-03-31","val":1192363000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-03-31","val":1192363000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-03-31","val":1192363000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1216797000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2020-06-30","val":1216797000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2020-06-30","val":1216797000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-06-30","val":1216797000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1244618000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2020-09-30","val":1244618000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1270518000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":1270518000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":1270518000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":1270518000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":1270518000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2020-12-31","val":1270518000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2020-12-31","val":1270518000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2020-12-31","val":1270518000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2020-12-31","val":1270518000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2020-12-31","val":1270518000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1316798000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2021-03-31","val":1316798000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2021-03-31","val":1316798000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2021-03-31","val":1316798000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-03-31","val":1316798000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-03-31","val":1316798000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1373331000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2021-06-30","val":1373331000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2021-06-30","val":1373331000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-06-30","val":1373331000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1419740000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2021-09-30","val":1419740000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1571460000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":1571460000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":1571460000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":1571460000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":1571460000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2021-12-31","val":1571460000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2021-12-31","val":1571460000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2021-12-31","val":1571460000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2021-12-31","val":1571460000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2021-12-31","val":1571460000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1674389000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2022-03-31","val":1674389000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2022-03-31","val":1674389000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2022-03-31","val":1674389000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-03-31","val":1674389000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-03-31","val":1674389000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1986074000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2022-06-30","val":1986074000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2022-06-30","val":1986074000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-06-30","val":1986074000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1990186000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2022-09-30","val":1990186000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3I"},{"end":"2022-12-31","val":1953439000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":1953439000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":1953439000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":1953439000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":1953439000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2022-12-31","val":1953439000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2022-12-31","val":1953439000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2022-12-31","val":1953439000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2022-12-31","val":1953439000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2022-12-31","val":1953439000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":2036382000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2023-03-31","val":2036382000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2023-03-31","val":2036382000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2023-03-31","val":2036382000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-03-31","val":2036382000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-03-31","val":2036382000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q1I"},{"end":"2023-06-30","val":2213721000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2023-06-30","val":2213721000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2023-06-30","val":2213721000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-06-30","val":2213721000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q2I"},{"end":"2023-09-30","val":2379265000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2023-09-30","val":2379265000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3I"},{"end":"2023-12-31","val":2608634000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":2608634000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":2608634000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":2608634000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":2608634000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2023-12-31","val":2608634000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2023-12-31","val":2608634000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2023-12-31","val":2608634000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2023-12-31","val":2608634000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023Q4I"},{"end":"2024-03-31","val":2659359000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2024-03-31","val":2659359000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2024-03-31","val":2659359000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2024-03-31","val":2659359000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-03-31","val":2659359000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-03-31","val":2659359000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q1I"},{"end":"2024-06-30","val":2766947000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2024-06-30","val":2766947000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2024-06-30","val":2766947000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-06-30","val":2766947000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q2I"},{"end":"2024-09-30","val":2832691000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2024-09-30","val":2832691000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3I"},{"end":"2024-12-31","val":3292544000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":3292544000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":3292544000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":3292544000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":3292544000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2024-12-31","val":3292544000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2024Q4I"},{"end":"2025-03-31","val":3345157000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2025-03-31","val":3345157000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2025-03-31","val":3345157000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2025-03-31","val":3345157000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1I"},{"end":"2025-06-30","val":3407111000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2025-06-30","val":3407111000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":3509034000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":3496588000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":3496588000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":3576980000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"StockIssued":{"label":"Stock Issued (Deprecated 2011-01-31)","description":"The fair value of stock issued in noncash financing activities.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":1255000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":2444000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-01-01","end":"2009-09-30","val":2444000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-01-01","end":"2009-12-31","val":2444000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":4402000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":5174000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":5174000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":5174000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":3536000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"}]}},"StockIssuedDuringPeriodSharesDividendReinvestmentPlan":{"label":"Stock Issued During Period, Shares, Dividend Reinvestment Plan","description":"Number of shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity.","units":{"shares":[{"start":"2008-01-01","end":"2008-12-31","val":6627,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":7938,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":7938,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":3498,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":5280,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":6705,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":6705,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":6705,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":1387,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":2860,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":4528,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":5989,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":5989,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":5989,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":1068,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":2012,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":2982,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":3915,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":3915,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":3915,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":933,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1843,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":2703,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":3577,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":3577,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":3577,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":833,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1630,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-09-30","val":2647,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-12-31","val":3626,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":3626,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":3626,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":1044,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2160,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-09-30","val":3391,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-12-31","val":4536,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":4536,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":4536,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":984,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":1798,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-09-30","val":2564,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-12-31","val":3326,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":3326,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":3326,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":782,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1443,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-09-30","val":2097,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-12-31","val":2744,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":2744,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":2744,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":667,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":667,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":667,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-03-31","val":667,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1232,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":565,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":565,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1232,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1844,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":1844,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":1844,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":571,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":571,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-03-31","val":571,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-03-31","val":571,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":571,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-03-31","val":571,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":479,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":479,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-04-01","end":"2019-06-30","val":479,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":479,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":441,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":441,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1893,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":1893,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":1893,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020"}]}},"StockIssuedDuringPeriodSharesNewIssues":{"label":"Stock Issued During Period, Shares, New Issues","description":"Number of new stock issued during the period.","units":{"shares":[{"start":"2008-01-01","end":"2008-12-31","val":1198700,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":1600000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":1600000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-09-30","val":15000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":586977,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":586977,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":586977,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":368158,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":1413023,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":1511398,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":2179153,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":2179153,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":2179153,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":245010,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":282763,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":579198,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":890085,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":890085,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":890085,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":321645,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":634138,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-09-30","val":944548,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-12-31","val":1246400,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":1246400,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":1246400,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":1688,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1688,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-09-30","val":106751,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-12-31","val":106751,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":106751,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":106751,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":447665,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-09-30","val":447665,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-12-31","val":875052,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":875052,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":875052,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":544144,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":921080,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-09-30","val":1037605,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-12-31","val":1370457,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":1370457,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":1370457,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":179501,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":179501,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":179501,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-03-31","val":179501,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":929783,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":750282,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":750282,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1245885,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":316102,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1706474,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":1706474,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":1706474,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":232205,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":232205,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-03-31","val":232205,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-03-31","val":232205,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":232205,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-03-31","val":232205,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":790052,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":790052,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-04-01","end":"2019-06-30","val":790052,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":790052,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":849751,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":849751,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":2388342,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":2388342,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":2388342,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":105837,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":105837,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-03-31","val":105837,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-03-31","val":105837,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2020-01-01","end":"2020-03-31","val":105837,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-03-31","val":105837,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":243621,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":243621,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-04-01","end":"2020-06-30","val":243621,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":243621,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":238086,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":238086,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":709924,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":709924,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":709924,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":317538,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":317538,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-03-31","val":317538,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-03-31","val":317538,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2021-01-01","end":"2021-03-31","val":317538,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-03-31","val":317538,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":370177,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":370177,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-04-01","end":"2021-06-30","val":370177,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":370177,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q2"},{"start":"2021-07-01","end":"2021-09-30","val":278893,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":278893,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":1551181,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":1551181,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":1551181,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":385538,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":385538,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-03-31","val":385538,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-03-31","val":385538,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2022-01-01","end":"2022-03-31","val":385538,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-03-31","val":385538,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q1"},{"start":"2022-04-01","end":"2022-06-30","val":1868809,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":1868809,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q2"},{"start":"2022-07-01","end":"2022-09-30","val":6368,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":6368,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":393406,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":393406,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":393406,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":652909,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":652909,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-03-31","val":652909,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-03-31","val":652909,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2023-01-01","end":"2023-03-31","val":652909,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-03-31","val":652909,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q1"},{"start":"2023-04-01","end":"2023-06-30","val":1065678,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":1065678,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-04-01","end":"2023-06-30","val":1065678,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":1065678,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q2"},{"start":"2023-07-01","end":"2023-09-30","val":953070,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":953070,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":4094896,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":4094896,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":4094896,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":272342,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":272342,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-03-31","val":272342,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-03-31","val":272342,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2024-01-01","end":"2024-03-31","val":272342,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-03-31","val":272342,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q1"},{"start":"2024-04-01","end":"2024-06-30","val":639299,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":639299,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-04-01","end":"2024-06-30","val":639299,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":639299,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q2"},{"start":"2024-07-01","end":"2024-09-30","val":540252,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":540252,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":4071536,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":4071536,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":418373,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":418373,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-03-31","val":418373,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-03-31","val":418373,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-04-01","end":"2025-06-30","val":416067,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":416067,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q2"},{"start":"2025-07-01","end":"2025-09-30","val":647758,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":1482198,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":365620,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"StockIssuedDuringPeriodSharesStockOptionsExercised":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period","description":"Number of share options (or share units) exercised during the current period.","units":{"shares":[{"start":"2008-01-01","end":"2008-12-31","val":25720,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":57436,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":57436,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-06-30","val":8400,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":15300,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":18000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":18000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":250,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":4750,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":6000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":9250,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"}]}},"StockIssuedDuringPeriodValueDividendReinvestmentPlan":{"label":"Stock Issued During Period, Value, Dividend Reinvestment Plan","description":"Value of stock issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the holder of the stock to reinvest dividends paid to them by the entity on new issues of stock by the entity.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":281000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":268000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":268000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":130000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":197000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":257000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":257000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":257000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":61000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":124000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":188000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":252000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":252000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":252000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":53000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":104000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":155000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":205000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":205000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":205000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":54000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":105000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":156000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":206000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":206000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":206000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":52000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":103000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-09-30","val":165000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-12-31","val":227000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":227000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":227000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":63000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":126000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-09-30","val":193000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-12-31","val":257000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":257000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":257000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":59000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":115000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-09-30","val":172000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-12-31","val":228000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":228000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":228000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":57000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":113000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-09-30","val":170000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-12-31","val":228000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":228000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":228000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":54000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":54000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":54000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-03-31","val":54000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":108000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":54000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":54000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":109000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-12-31","val":164000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":164000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":164000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":54000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":54000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-03-31","val":54000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-03-31","val":54000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":54000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-03-31","val":54000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":55000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":55000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-04-01","end":"2019-06-30","val":55000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":55000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":53000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":53000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":212000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":212000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":212000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"}]}},"StockIssuedDuringPeriodValueNewIssues":{"label":"Stock Issued During Period, Value, New Issues","description":"Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":57179000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":57553000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":57553000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2011-01-01","end":"2011-09-30","val":450000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":25181000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":25181000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":25181000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":17516000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":69807000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":74903000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":109588000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":109588000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":109588000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":13798000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":15857000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":33490000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":53247000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":53247000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":53247000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":19602000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":39359000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-09-30","val":59110000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-12-31","val":78868000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":78868000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":78868000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":52000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":52000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-09-30","val":6233000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-12-31","val":6233000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":6233000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":6233000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":29643000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-09-30","val":29643000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-12-31","val":59283000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":59283000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":59283000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":39456000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":69105000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-09-30","val":78956000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-12-31","val":109207000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":109207000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":109207000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":14602000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":14602000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":14602000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-03-31","val":14602000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":82156000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":67554000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":67554000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":112325000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":30170000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":157319000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":157319000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":157319000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":24400000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":24400000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-03-31","val":24400000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-03-31","val":24400000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":24400000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-01-01","end":"2019-03-31","val":24400000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":89036000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":89036000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-04-01","end":"2019-06-30","val":89036000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":89036000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":103911000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":103911000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":284710000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":284710000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":284710000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":14734000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":14734000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-03-31","val":14734000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-03-31","val":14734000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2020-01-01","end":"2020-03-31","val":14734000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-01-01","end":"2020-03-31","val":14734000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":29647000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":29647000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-04-01","end":"2020-06-30","val":29647000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":29647000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":31362000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":31362000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":92663000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":92663000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":92663000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":44485000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":44485000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-03-31","val":44485000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-03-31","val":44485000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2021-01-01","end":"2021-03-31","val":44485000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-03-31","val":44485000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":59318000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":59318000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-04-01","end":"2021-06-30","val":59318000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":59318000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q2"},{"start":"2021-07-01","end":"2021-09-30","val":48626000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":48626000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":271155000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":271155000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":271155000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":74179000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":74179000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-03-31","val":74179000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-03-31","val":74179000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2022-01-01","end":"2022-03-31","val":74179000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-03-31","val":74179000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q1"},{"start":"2022-04-01","end":"2022-06-30","val":303682000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":303682000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q2"},{"start":"2022-07-01","end":"2022-09-30","val":1010000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":1010000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":75375000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":75375000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":75375000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":105321000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":105321000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-03-31","val":105321000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-03-31","val":105321000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2023-01-01","end":"2023-03-31","val":105321000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-03-31","val":105321000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q1"},{"start":"2023-04-01","end":"2023-06-30","val":177749000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":177749000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-04-01","end":"2023-06-30","val":177749000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":177749000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q2"},{"start":"2023-07-01","end":"2023-09-30","val":167315000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":167315000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":691478000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":691478000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":691478000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":49294000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":49294000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-03-31","val":49294000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-03-31","val":49294000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2024-01-01","end":"2024-03-31","val":49294000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-03-31","val":49294000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q1"},{"start":"2024-04-01","end":"2024-06-30","val":112710000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":112710000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-04-01","end":"2024-06-30","val":112710000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":112710000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q2"},{"start":"2024-07-01","end":"2024-09-30","val":92210000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":92210000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":717152000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":717152000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":72849000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":72849000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-03-31","val":72849000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-03-31","val":72849000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-04-01","end":"2025-06-30","val":74061000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":74061000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q2"},{"start":"2025-07-01","end":"2025-09-30","val":117014000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":263885000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":68889000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"StockIssuedDuringPeriodValueShareBasedCompensation":{"label":"Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture","description":"Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":2444000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":5174000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-01-01","end":"2010-09-30","val":5174000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-01-01","end":"2010-12-31","val":5174000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":3536000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":3836000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":3827000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":3868000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":4492000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1"}]}},"StockIssuedDuringPeriodValueStockOptionsExercised":{"label":"Stock Issued During Period, Value, Stock Options Exercised","description":"Value of stock issued as a result of the exercise of stock options.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":526000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":1180000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":1180000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-06-30","val":188000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-09-30","val":338000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-12-31","val":404000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":404000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":404000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2011-01-01","end":"2011-03-31","val":6000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":103000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-09-30","val":133000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-12-31","val":217000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":217000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":217000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2012-01-01","end":"2012-06-30","val":108000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-09-30","val":108000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-12-31","val":108000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-01-01","end":"2012-12-31","val":108000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":108000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2013-01-01","end":"2013-06-30","val":120000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-09-30","val":120000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-12-31","val":120000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-01-01","end":"2013-12-31","val":120000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":120000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"}]}},"StockRedeemedOrCalledDuringPeriodShares":{"label":"Stock Redeemed or Called During Period, Shares","description":"Number of stock bought back by the entity at the exercise price or redemption price.","units":{"shares":[{"start":"2008-01-01","end":"2008-12-31","val":1320000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2010"}]}},"StockRedeemedOrCalledDuringPeriodValue":{"label":"Stock Redeemed or Called During Period, Value","description":"Equity impact of the value of stock bought back by the entity at the exercise price or redemption price.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-33008000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"}]}},"TenantImprovements":{"label":"Tenant Improvements","description":"Carrying amount as of the balance sheet date of improvements having a life longer than one year that were made for the benefit of one or more tenants.","units":{"USD":[{"end":"2010-12-31","val":240134000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"end":"2010-12-31","val":240134000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"end":"2010-12-31","val":240134000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":247823000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":251982000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25","frame":"CY2011Q3I"},{"end":"2011-12-31","val":258267000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":258267000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":258267000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":258267000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":258267000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":262603000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":266033000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":268754000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":272981000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":272981000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":272981000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":272981000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":272981000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":279059000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":291384000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":297352000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":302370000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":302370000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":302370000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":302370000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":302370000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":306870000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":315702000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":322371000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":326896000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":326896000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":326896000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":326896000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":326896000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":331233000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":334808000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":341409000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":353884000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":353884000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":353884000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":353884000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":353884000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":355543000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":354644000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":362935000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":368833000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":368833000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":368833000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":368833000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":368833000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":380816000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":384049000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":394894000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":402905000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":404180000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":404180000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":404180000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":404180000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":408366000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":422160000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":431751000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":440205000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":440205000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":440205000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":440205000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":440205000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":448391000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":456562000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":462031000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":471909000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":471909000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":471909000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":471909000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":471909000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":487189000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":502116000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":517032000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":524954000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":524954000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":524954000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":524954000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":524954000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":537042000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":551637000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":562785000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":570627000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":570627000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":570627000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":570627000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":570627000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":582708000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":605251000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":616751000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":633817000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":633817000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":633817000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":633817000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":633817000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":645194000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":659997000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":678359000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":684573000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":684573000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":684573000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":684573000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":684573000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":692300000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":711773000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":727945000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":761061000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":761061000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":761061000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":761061000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":761061000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":773925000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":801009000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":822425000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":829609000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":829609000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":836107000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"TreasuryStockSharesAcquired":{"label":"Treasury Stock, Shares, Acquired","description":"Number of shares that have been repurchased during the period and are being held in treasury.","units":{"shares":[{"start":"2011-01-01","end":"2011-12-31","val":827700,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"}]}},"UnsecuredDebt":{"label":"Unsecured Debt","description":"Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).","units":{"USD":[{"end":"2010-12-31","val":0,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-12-31","val":50000000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":50000000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"end":"2011-12-31","val":50000000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"end":"2011-12-31","val":50000000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"end":"2011-12-31","val":50000000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":50000000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2012Q1I"},{"end":"2012-06-30","val":50000000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":130000000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22","frame":"CY2012Q3I"},{"end":"2012-12-31","val":130000000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"end":"2012-12-31","val":130000000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"end":"2012-12-31","val":130000000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"end":"2012-12-31","val":130000000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"end":"2012-12-31","val":130000000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4I"},{"end":"2013-03-31","val":130000000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22","frame":"CY2013Q1I"},{"end":"2013-06-30","val":130000000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23","frame":"CY2013Q2I"},{"end":"2013-09-30","val":230000000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21","frame":"CY2013Q3I"},{"end":"2013-12-31","val":305000000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"end":"2013-12-31","val":305000000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"end":"2013-12-31","val":305000000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"end":"2013-12-31","val":305000000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"end":"2013-12-31","val":305000000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":305000000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21","frame":"CY2014Q1I"},{"end":"2014-06-30","val":305000000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21","frame":"CY2014Q2I"},{"end":"2014-09-30","val":380000000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20","frame":"CY2014Q3I"},{"end":"2014-12-31","val":380000000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"end":"2014-12-31","val":380000000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"end":"2014-12-31","val":380000000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"end":"2014-12-31","val":380000000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"end":"2014-12-31","val":380000000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4I"},{"end":"2015-03-31","val":455000000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20","frame":"CY2015Q1I"},{"end":"2015-06-30","val":455000000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20","frame":"CY2015Q2I"},{"end":"2015-09-30","val":455000000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19","frame":"CY2015Q3I"},{"end":"2015-12-31","val":530000000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"end":"2015-12-31","val":528210000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"end":"2015-12-31","val":528210000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"end":"2015-12-31","val":528210000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"end":"2015-12-31","val":528210000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":528312000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22","frame":"CY2016Q1I"},{"end":"2016-06-30","val":592674000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22","frame":"CY2016Q2I"},{"end":"2016-09-30","val":553035000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":652838000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"end":"2016-12-31","val":652838000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"end":"2016-12-31","val":652838000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"end":"2016-12-31","val":652838000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"end":"2016-12-31","val":652838000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":652950000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24","frame":"CY2017Q1I"},{"end":"2017-06-30","val":653065000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27","frame":"CY2017Q2I"},{"end":"2017-09-30","val":653178000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23","frame":"CY2017Q3I"},{"end":"2017-12-31","val":713061000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"end":"2017-12-31","val":713061000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"end":"2017-12-31","val":713061000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"end":"2017-12-31","val":713061000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"end":"2017-12-31","val":713061000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4I"},{"end":"2018-03-31","val":713122000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23","frame":"CY2018Q1I"},{"end":"2018-06-30","val":723171000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23","frame":"CY2018Q2I"},{"end":"2018-09-30","val":723300000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":723400000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"end":"2018-12-31","val":723400000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"end":"2018-12-31","val":723400000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"end":"2018-12-31","val":723400000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"end":"2018-12-31","val":723400000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4I"},{"end":"2019-03-31","val":803397000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24","frame":"CY2019Q1I"},{"end":"2019-06-30","val":803534000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26","frame":"CY2019Q2I"},{"end":"2019-09-30","val":838581000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2019Q3I"},{"end":"2019-12-31","val":938115000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"end":"2019-12-31","val":938115000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"end":"2019-12-31","val":938115000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"end":"2019-12-31","val":938115000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"end":"2019-12-31","val":938115000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1037703000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1037854000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1008012000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1107708000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"end":"2020-12-31","val":1107708000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"end":"2020-12-31","val":1107708000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"end":"2020-12-31","val":1107708000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"end":"2020-12-31","val":1107708000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1157642000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1282438000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1242430000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1242570000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"end":"2021-12-31","val":1242570000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":1242570000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":1242570000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":1242570000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1267084000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1416876000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1541481000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":1691259000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":1691259000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":1691259000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":1691259000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":1691259000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":1725805000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":1726024000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":1676131000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":1676347000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":1676347000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":1676347000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":1676347000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":1676347000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":1676573000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":1676799000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":1627018000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":1507157000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":1507157000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":1507157000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":1507157000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":1507157000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":1457283000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":1457471000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":1437660000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":1611026000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":1611026000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":1611303000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"WeightedAverageNumberOfDilutedSharesOutstanding":{"label":"Weighted Average Number of Shares Outstanding, Diluted","description":"The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.","units":{"shares":[{"start":"2008-01-01","end":"2008-12-31","val":24653000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":25244000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":25413000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":25473000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":25916000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":25690000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":25690000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":26794000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2010-01-01","end":"2010-03-31","val":26794000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":26802000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":26802000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":26815000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":26815000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":26815000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":26810000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":26810000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":26828000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":26828000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":26828000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":26824000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":26824000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":26824000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":26864000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":26873000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":26873000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-03-31","val":26873000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2011-01-01","end":"2011-03-31","val":26873000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":26884000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":26884000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":26897000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":26897000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-04-01","end":"2011-06-30","val":26897000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":26897000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":26894000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":26894000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":26914000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":26914000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-07-01","end":"2011-09-30","val":26914000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":26914000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":26971000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":26971000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":26971000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":27206000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-10-01","end":"2011-12-31","val":27206000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":27718000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":27718000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-03-31","val":27718000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2012-01-01","end":"2012-03-31","val":27718000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":28024000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":28024000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":28341000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":28341000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-04-01","end":"2012-06-30","val":28341000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":28341000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":28361000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":28361000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":29030000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":29030000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-07-01","end":"2012-09-30","val":29030000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":29030000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":28677000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":28677000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":28677000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":29614000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-10-01","end":"2012-12-31","val":29614000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":29890000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":29890000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-03-31","val":29890000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2013-01-01","end":"2013-03-31","val":29890000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":29990000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":29990000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":30096000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":30096000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-04-01","end":"2013-06-30","val":30096000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":30096000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":30124000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":30124000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":30400000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":30400000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-07-01","end":"2013-09-30","val":30400000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":30400000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":30269000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":30269000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":30269000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":30699000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-10-01","end":"2013-12-31","val":30699000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":30886000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":30886000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-03-31","val":30886000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2014-01-01","end":"2014-03-31","val":30886000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":31063000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":31063000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":31244000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":31244000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-04-01","end":"2014-06-30","val":31244000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":31244000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":31256000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":31256000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":31644000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":31644000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-07-01","end":"2014-09-30","val":31644000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":31644000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":31452000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":31452000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":31452000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":32043000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-10-01","end":"2014-12-31","val":32043000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":32109000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":32109000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-03-31","val":32109000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2015-01-01","end":"2015-03-31","val":32109000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":32121000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":32121000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":32139000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":32139000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-04-01","end":"2015-06-30","val":32139000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":32139000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":32160000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":32160000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":32248000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":32248000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-07-01","end":"2015-09-30","val":32248000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":32248000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":32196000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":32196000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":32196000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":32314000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-10-01","end":"2015-12-31","val":32314000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":32307000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":32307000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-03-31","val":32307000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2016-01-01","end":"2016-03-31","val":32307000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":32370000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":32370000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":32440000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":32440000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-04-01","end":"2016-06-30","val":32440000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":32440000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":32519000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":32519000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":32823000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":32823000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-07-01","end":"2016-09-30","val":32823000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":32823000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":32628000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":32628000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":32628000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":32964000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-10-01","end":"2016-12-31","val":32964000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":33409000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":33409000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-03-31","val":33409000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2017-01-01","end":"2017-03-31","val":33409000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":33722000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":33722000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":34040000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":34040000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-04-01","end":"2017-06-30","val":34040000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":34040000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":33905000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":33905000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":34290000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":34290000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-07-01","end":"2017-09-30","val":34290000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":34290000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":34047000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":34047000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":34047000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":34505000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-10-01","end":"2017-12-31","val":34505000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":34736000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":34736000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-03-31","val":34736000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":34736000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":34998000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":34998000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":35259000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":35259000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-04-01","end":"2018-06-30","val":35259000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":35259000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":35265000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":35265000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":35798000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":35798000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-07-01","end":"2018-09-30","val":35798000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":35798000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":35506000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":35506000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":35506000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":36232000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-10-01","end":"2018-12-31","val":36232000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":36526000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":36526000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-03-31","val":36526000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":36526000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":36770000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":36770000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":37019000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":37019000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-04-01","end":"2019-06-30","val":37019000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":37019000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":37136000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":37136000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":37869000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":37869000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-07-01","end":"2019-09-30","val":37869000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":37869000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":37527000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":37527000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":37527000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":38687000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-10-01","end":"2019-12-31","val":38687000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":38961000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":38961000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-03-31","val":38961000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":39019000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":39019000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":39077000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":39077000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-04-01","end":"2020-06-30","val":39077000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":39168000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":39168000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":39450000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":39450000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-07-01","end":"2020-09-30","val":39450000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":39296000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":39296000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":39296000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":39653000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":39765000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":39765000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":39965000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":39965000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":40165000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":40165000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":40165000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":40165000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":40567000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":40567000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":40377000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":40377000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":40377000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":41359000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":41359000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":41838000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":41838000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":42316000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":42316000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":42419000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":42419000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":43581000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":43581000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":42712000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":42712000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":42712000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":43823000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":43823000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":44279000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":44279000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":44734000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":44734000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":44782000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":44782000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":45788000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":45788000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":45331000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":45331000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":45331000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":47961000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":47961000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":48153000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":48153000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":48345000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":48345000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":48435000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":48435000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":48999000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":48999000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":48911000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":48911000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":52028000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":52028000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":52304000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":52579000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":52624000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":53264000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":52814000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":53546000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"WeightedAverageNumberOfSharesOutstandingBasic":{"label":"Weighted Average Number of Shares Outstanding, Basic","description":"Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.","units":{"shares":[{"start":"2008-01-01","end":"2008-12-31","val":24503000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":25163000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2009-04-01","end":"2009-06-30","val":25326000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03","frame":"CY2009Q2"},{"start":"2009-01-01","end":"2009-09-30","val":25381000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2009-07-01","end":"2009-09-30","val":25811000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02","frame":"CY2009Q3"},{"start":"2009-01-01","end":"2009-12-31","val":25590000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2009-01-01","end":"2009-12-31","val":25590000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":26735000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2010-01-01","end":"2010-03-31","val":26735000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":26741000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-01-01","end":"2010-06-30","val":26741000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":26748000,"accn":"0000049600-10-000013","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-03"},{"start":"2010-04-01","end":"2010-06-30","val":26748000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":26748000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":26747000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-01-01","end":"2010-09-30","val":26747000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":26758000,"accn":"0000049600-10-000019","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-02"},{"start":"2010-07-01","end":"2010-09-30","val":26758000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2010-07-01","end":"2010-09-30","val":26758000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":26752000,"accn":"0000049600-11-000007","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":26752000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":26752000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2010"},{"start":"2010-10-01","end":"2010-12-31","val":26769000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4"},{"start":"2011-01-01","end":"2011-03-31","val":26809000,"accn":"0000049600-11-000013","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-29"},{"start":"2011-01-01","end":"2011-03-31","val":26809000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-03-31","val":26809000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2011-01-01","end":"2011-03-31","val":26809000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":26815000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-01-01","end":"2011-06-30","val":26815000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":26820000,"accn":"0000049600-11-000023","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":26820000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-04-01","end":"2011-06-30","val":26820000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2011-04-01","end":"2011-06-30","val":26820000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":26823000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-01-01","end":"2011-09-30","val":26823000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":26839000,"accn":"0000049600-11-000029","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-25"},{"start":"2011-07-01","end":"2011-09-30","val":26839000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-07-01","end":"2011-09-30","val":26839000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2011-07-01","end":"2011-09-30","val":26839000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":26897000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":26897000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2011-01-01","end":"2011-12-31","val":26897000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":27116000,"accn":"0000049600-12-000003","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-10-01","end":"2011-12-31","val":27116000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":27647000,"accn":"0000049600-12-000008","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":27647000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-03-31","val":27647000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2012-01-01","end":"2012-03-31","val":27647000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":27946000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-01-01","end":"2012-06-30","val":27946000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":28246000,"accn":"0000049600-12-000021","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-24"},{"start":"2012-04-01","end":"2012-06-30","val":28246000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-04-01","end":"2012-06-30","val":28246000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2012-04-01","end":"2012-06-30","val":28246000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":28271000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-01-01","end":"2012-09-30","val":28271000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":28912000,"accn":"0000049600-12-000032","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-22"},{"start":"2012-07-01","end":"2012-09-30","val":28912000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-07-01","end":"2012-09-30","val":28912000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2012-07-01","end":"2012-09-30","val":28912000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":28577000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-01-01","end":"2012-12-31","val":28577000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2012-01-01","end":"2012-12-31","val":28577000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":29491000,"accn":"0000049600-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19"},{"start":"2012-10-01","end":"2012-12-31","val":29491000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":29809000,"accn":"0000049600-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-22"},{"start":"2013-01-01","end":"2013-03-31","val":29809000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-03-31","val":29809000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2013-01-01","end":"2013-03-31","val":29809000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":29900000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-01-01","end":"2013-06-30","val":29900000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":29991000,"accn":"0000049600-13-000029","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-23"},{"start":"2013-04-01","end":"2013-06-30","val":29991000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-04-01","end":"2013-06-30","val":29991000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2013-04-01","end":"2013-06-30","val":29991000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":30029000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-01-01","end":"2013-09-30","val":30029000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":30281000,"accn":"0000049600-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-21"},{"start":"2013-07-01","end":"2013-09-30","val":30281000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-07-01","end":"2013-09-30","val":30281000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2013-07-01","end":"2013-09-30","val":30281000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":30162000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-01-01","end":"2013-12-31","val":30162000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2013-01-01","end":"2013-12-31","val":30162000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":30556000,"accn":"0000049600-14-000018","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14"},{"start":"2013-10-01","end":"2013-12-31","val":30556000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":30806000,"accn":"0000049600-14-000028","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-21"},{"start":"2014-01-01","end":"2014-03-31","val":30806000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-03-31","val":30806000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2014-01-01","end":"2014-03-31","val":30806000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":30972000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-01-01","end":"2014-06-30","val":30972000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":31137000,"accn":"0000049600-14-000036","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-21"},{"start":"2014-04-01","end":"2014-06-30","val":31137000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-04-01","end":"2014-06-30","val":31137000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2014-04-01","end":"2014-06-30","val":31137000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":31156000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-01-01","end":"2014-09-30","val":31156000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":31515000,"accn":"0000049600-14-000044","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-10-20"},{"start":"2014-07-01","end":"2014-09-30","val":31515000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-07-01","end":"2014-09-30","val":31515000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2014-07-01","end":"2014-09-30","val":31515000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":31341000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":31341000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2014-01-01","end":"2014-12-31","val":31341000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":31892000,"accn":"0000049600-15-000008","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-17"},{"start":"2014-10-01","end":"2014-12-31","val":31892000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":32032000,"accn":"0000049600-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-20"},{"start":"2015-01-01","end":"2015-03-31","val":32032000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-03-31","val":32032000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2015-01-01","end":"2015-03-31","val":32032000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":32039000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-01-01","end":"2015-06-30","val":32039000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":32045000,"accn":"0000049600-15-000027","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-07-20"},{"start":"2015-04-01","end":"2015-06-30","val":32045000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-04-01","end":"2015-06-30","val":32045000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2015-04-01","end":"2015-06-30","val":32045000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":32068000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-01-01","end":"2015-09-30","val":32068000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":32126000,"accn":"0000049600-15-000036","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-10-19"},{"start":"2015-07-01","end":"2015-09-30","val":32126000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-07-01","end":"2015-09-30","val":32126000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2015-07-01","end":"2015-09-30","val":32126000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":32091000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-01-01","end":"2015-12-31","val":32091000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2015-01-01","end":"2015-12-31","val":32091000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":32159000,"accn":"0000049600-16-000047","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17"},{"start":"2015-10-01","end":"2015-12-31","val":32159000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":32254000,"accn":"0000049600-16-000055","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-04-22"},{"start":"2016-01-01","end":"2016-03-31","val":32254000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-03-31","val":32254000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2016-01-01","end":"2016-03-31","val":32254000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":32315000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-01-01","end":"2016-06-30","val":32315000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":32376000,"accn":"0000049600-16-000071","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-07-22"},{"start":"2016-04-01","end":"2016-06-30","val":32376000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-04-01","end":"2016-06-30","val":32376000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2016-04-01","end":"2016-06-30","val":32376000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":32458000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-01-01","end":"2016-09-30","val":32458000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":32741000,"accn":"0000049600-16-000077","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-21"},{"start":"2016-07-01","end":"2016-09-30","val":32741000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-07-01","end":"2016-09-30","val":32741000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2016-07-01","end":"2016-09-30","val":32741000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":32563000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-01-01","end":"2016-12-31","val":32563000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2016-01-01","end":"2016-12-31","val":32563000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":32874000,"accn":"0000049600-17-000006","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-15"},{"start":"2016-10-01","end":"2016-12-31","val":32874000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":33361000,"accn":"0000049600-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-24"},{"start":"2017-01-01","end":"2017-03-31","val":33361000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-03-31","val":33361000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2017-01-01","end":"2017-03-31","val":33361000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":33676000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-01-01","end":"2017-06-30","val":33676000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":33987000,"accn":"0000049600-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-07-27"},{"start":"2017-04-01","end":"2017-06-30","val":33987000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-04-01","end":"2017-06-30","val":33987000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2017-04-01","end":"2017-06-30","val":33987000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":33857000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-01-01","end":"2017-09-30","val":33857000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":34215000,"accn":"0000049600-17-000027","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-23"},{"start":"2017-07-01","end":"2017-09-30","val":34215000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-07-01","end":"2017-09-30","val":34215000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2017-07-01","end":"2017-09-30","val":34215000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":33996000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":33996000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":33996000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":34406000,"accn":"0000049600-18-000009","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-14"},{"start":"2017-10-01","end":"2017-12-31","val":34406000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":34689000,"accn":"0000049600-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-23"},{"start":"2018-01-01","end":"2018-03-31","val":34689000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-03-31","val":34689000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2018-01-01","end":"2018-03-31","val":34689000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":34944000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-01-01","end":"2018-06-30","val":34944000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":35196000,"accn":"0000049600-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-23"},{"start":"2018-04-01","end":"2018-06-30","val":35196000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-04-01","end":"2018-06-30","val":35196000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":35196000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":35204000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-01-01","end":"2018-09-30","val":35204000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":35716000,"accn":"0000049600-18-000029","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-22"},{"start":"2018-07-01","end":"2018-09-30","val":35716000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-07-01","end":"2018-09-30","val":35716000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2018-07-01","end":"2018-09-30","val":35716000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":35439000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":35439000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2018-01-01","end":"2018-12-31","val":35439000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":36135000,"accn":"0000049600-19-000007","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-14"},{"start":"2018-10-01","end":"2018-12-31","val":36135000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":36465000,"accn":"0000049600-19-000036","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-24"},{"start":"2019-01-01","end":"2019-03-31","val":36465000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-03-31","val":36465000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2019-01-01","end":"2019-03-31","val":36465000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":36705000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-06-30","val":36705000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":36944000,"accn":"0000049600-19-000055","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":36944000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-04-01","end":"2019-06-30","val":36944000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2019-04-01","end":"2019-06-30","val":36944000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":37064000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-09-30","val":37064000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":37771000,"accn":"0000049600-19-000066","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":37771000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-07-01","end":"2019-09-30","val":37771000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2019-07-01","end":"2019-09-30","val":37771000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":37442000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-01-01","end":"2019-12-31","val":37442000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2019-01-01","end":"2019-12-31","val":37442000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":38561000,"accn":"0000049600-20-000030","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-13"},{"start":"2019-10-01","end":"2019-12-31","val":38561000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":38882000,"accn":"0000049600-20-000061","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":38882000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-03-31","val":38882000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":38945000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-01-01","end":"2020-06-30","val":38945000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2020-04-01","end":"2020-06-30","val":39007000,"accn":"0000049600-20-000101","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":39007000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-04-01","end":"2020-06-30","val":39007000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":39077000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-01-01","end":"2020-09-30","val":39077000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2020-07-01","end":"2020-09-30","val":39338000,"accn":"0000049600-20-000117","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":39338000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-07-01","end":"2020-09-30","val":39338000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":39185000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17"},{"start":"2020-01-01","end":"2020-12-31","val":39185000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2020-01-01","end":"2020-12-31","val":39185000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":39507000,"accn":"0000049600-21-000027","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":39673000,"accn":"0000049600-21-000062","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":39673000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":39871000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-01-01","end":"2021-06-30","val":39871000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":40068000,"accn":"0000049600-21-000104","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":40068000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":40058000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-01-01","end":"2021-09-30","val":40058000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":40434000,"accn":"0000049600-21-000118","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":40434000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":40255000,"accn":"0000049600-22-000027","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-16"},{"start":"2021-01-01","end":"2021-12-31","val":40255000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":40255000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":41246000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":41246000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":41729000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":41729000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":42211000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":42211000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":42308000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":42308000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":43467000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":43467000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":42599000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":42599000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":42599000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":43751000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":43751000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":44204000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":44204000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":44656000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":44656000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":44688000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":44688000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":45658000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":45658000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":45224000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":45224000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":45224000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":47860000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":47860000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":48054000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":48054000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":48248000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":48248000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":48324000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":48324000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":48864000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":48864000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":48803000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":48803000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":51965000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":51965000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":52237000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":52508000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":52544000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":53159000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":52723000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":53451000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents","description":"Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"end":"2019-12-31","val":224000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2019Q4I"},{"end":"2020-12-31","val":21000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2020-12-31","val":21000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2020-12-31","val":21000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2020-12-31","val":21000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2020-12-31","val":21000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2020Q4I"},{"end":"2021-03-31","val":68000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1I"},{"end":"2021-06-30","val":38565000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2I"},{"end":"2021-09-30","val":247000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3I"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2021-12-31","val":4393000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2021Q4I"},{"end":"2022-03-31","val":5718000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2022-03-31","val":5718000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1I"},{"end":"2022-06-30","val":5555000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2022-06-30","val":5555000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2I"},{"end":"2022-09-30","val":4848000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2022-09-30","val":4848000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3I"},{"end":"2022-12-31","val":56000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":56000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":56000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":56000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":56000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2022-12-31","val":56000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2022-12-31","val":56000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2022-12-31","val":56000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2022-12-31","val":56000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2022-12-31","val":56000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2022Q4I"},{"end":"2023-03-31","val":9390000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2023-03-31","val":9390000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1I"},{"end":"2023-06-30","val":1082000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2023-06-30","val":1082000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2I"},{"end":"2023-09-30","val":374000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2023-09-30","val":374000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3I"},{"end":"2023-12-31","val":40263000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":40263000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":40263000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":40263000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":40263000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2023-12-31","val":40263000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2023-12-31","val":40263000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2023-12-31","val":40263000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2023-12-31","val":40263000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023Q4I"},{"end":"2024-03-31","val":15625000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2024-03-31","val":15625000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1I"},{"end":"2024-06-30","val":39400000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2024-06-30","val":39400000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2I"},{"end":"2024-09-30","val":16957000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2024-09-30","val":16957000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3I"},{"end":"2024-12-31","val":17529000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":17529000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":17529000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":17529000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":17529000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2024-12-31","val":17529000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2024Q4I"},{"end":"2025-03-31","val":20515000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2025-03-31","val":20515000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1I"},{"end":"2025-06-30","val":32921000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":2981000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":1007000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":1007000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":31358000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect","description":"Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"start":"2020-01-01","end":"2020-12-31","val":-203000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":47000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":38544000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":226000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":4372000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":4372000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":1325000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":1325000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":1162000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":1162000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":455000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":455000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":-4337000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":-4337000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":-4337000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":9334000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":9334000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":1026000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":1026000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":318000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":318000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":40207000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":40207000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":40207000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":-24638000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":-24638000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":-863000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":-863000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":-23306000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":-23306000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":-22734000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":-22734000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":2986000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":2986000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":15392000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":-14548000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":-16522000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":30351000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"DebtInstrumentConvertibleNumberOfEquityInstruments":{"label":"Debt Instrument, Convertible, Number of Equity Instruments","description":"The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.","units":{"Integer":[{"start":"2022-01-01","end":"2022-03-31","val":3,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":3,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"}]}},"NetIncomeLossAvailableToCommonStockholdersDiluted":{"label":"Net Income (Loss) Available to Common Stockholders, Diluted","description":"Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.","units":{"USD":[{"start":"2021-01-01","end":"2021-03-31","val":27339000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":54897000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":27558000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":85668000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":30771000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2022-01-01","end":"2022-03-31","val":63580000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":63580000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":109719000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":109719000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":46139000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":46139000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":147511000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":147511000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":37792000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":37792000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2023-01-01","end":"2023-03-31","val":44690000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":44690000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":88140000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":88140000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":43450000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":43450000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":137036000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":137036000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":48896000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":48896000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2024-01-01","end":"2024-03-31","val":58644000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":58644000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":113931000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":113931000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":55287000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":55287000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":169111000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":169111000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":55180000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":55180000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2025-01-01","end":"2025-03-31","val":59423000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":59423000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":122722000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":63299000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":189665000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":66943000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2026-01-01","end":"2026-03-31","val":94624000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax":{"label":"Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax","description":"Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.","units":{"USD":[{"start":"2021-01-01","end":"2021-03-31","val":8214000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2022-01-01","end":"2022-03-31","val":15828000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":22669000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":6841000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2023-01-01","end":"2023-06-30","val":-60000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":10202000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2"}]}},"PrepaidInsurance":{"label":"Prepaid Insurance","description":"Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2021-12-31","val":7793000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"end":"2021-12-31","val":7793000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":7793000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"end":"2021-12-31","val":7793000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-03-31","val":7858000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2022Q1I"},{"end":"2022-06-30","val":5930000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":3826000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":2681000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":2681000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":2681000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":2681000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":2681000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":1693000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":15582000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":11331000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":7208000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":7208000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":7208000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":7208000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":7208000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":3462000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":13850000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":10117000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":6469000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":6469000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":6469000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":6469000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":6469000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":3271000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":652000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":9122000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":5728000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":5728000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":2313000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"SharesPaidForTaxWithholdingForShareBasedCompensation":{"label":"Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation","description":"Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.","units":{"shares":[{"start":"2021-01-01","end":"2021-03-31","val":30252,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2021-01-01","end":"2021-03-31","val":30252,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-03-31","val":30252,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-12-31","val":30252,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":34251,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":34251,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-03-31","val":34251,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2022-01-01","end":"2022-03-31","val":34251,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":34251,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-07-01","end":"2022-09-30","val":733,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":34251,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":34251,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":31254,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":31254,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2023-01-01","end":"2023-03-31","val":31254,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-03-31","val":31254,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":31254,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-12-31","val":31254,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":31254,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":31254,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":33381,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":33381,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-03-31","val":33381,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-03-31","val":33381,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2024-01-01","end":"2024-03-31","val":33381,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-03-31","val":33381,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-12-31","val":33381,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":33381,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":24745,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":24745,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-03-31","val":24745,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-03-31","val":24745,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-12-31","val":24745,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":33101,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"WeightedAverageNumberDilutedSharesOutstandingAdjustment":{"label":"Weighted Average Number Diluted Shares Outstanding Adjustment","description":"The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.","units":{"shares":[{"start":"2020-01-01","end":"2020-12-31","val":111000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":92000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":94000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-04-01","end":"2021-06-30","val":97000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":107000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-07-01","end":"2021-09-30","val":133000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":122000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":122000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":113000,"accn":"0000049600-22-000065","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-27"},{"start":"2022-01-01","end":"2022-03-31","val":113000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":109000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":109000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":105000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-04-01","end":"2022-06-30","val":105000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":111000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":111000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":114000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-07-01","end":"2022-09-30","val":114000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":113000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":113000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":113000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":72000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":72000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":75000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":75000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":78000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-04-01","end":"2023-06-30","val":78000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":94000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":94000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":130000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":130000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":107000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":107000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":107000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":101000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":101000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":99000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":99000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":97000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":97000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":111000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":111000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":135000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":135000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":108000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":108000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":63000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":63000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":67000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":71000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":80000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":105000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":91000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":95000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"ExcessStockSharesIssued":{"label":"Excess Stock, Shares Issued","description":"Number of excess stock shares of an entity that have been sold or granted to shareholders.","units":{"shares":[{"end":"2021-12-31","val":0,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"end":"2021-12-31","val":0,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2021Q4I"},{"end":"2022-06-30","val":0,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27","frame":"CY2022Q2I"},{"end":"2022-09-30","val":0,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26","frame":"CY2022Q3I"},{"end":"2022-12-31","val":0,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":0,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":0,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":0,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":0,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":0,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":0,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":0,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":0,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":0,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":0,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":0,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":0,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":0,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":0,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":0,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":0,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":0,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":0,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"PaymentsOfStockIssuanceCosts":{"label":"Payments of Stock Issuance Costs","description":"The cash outflow for cost incurred directly with the issuance of an equity security.","units":{"USD":[{"start":"2020-01-01","end":"2020-12-31","val":334000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":146000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":238000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":312000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":312000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":70000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":70000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":70000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":190000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":190000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":247000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":247000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":247000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":395000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":395000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":441000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-06-30","val":441000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":484000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":484000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":834000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":834000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":834000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":70000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":70000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":107000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":107000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":142000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":142000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":507000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":507000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":59000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":59000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":96000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":147000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":186000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":411000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"StockIssuedDuringPeriodValuePurchaseOfAssets":{"label":"Stock Issued During Period, Value, Purchase of Assets","description":"Value of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.","units":{"USD":[{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":0,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2021-01-01","end":"2021-09-30","val":0,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-06-30","val":303682000,"accn":"0000049600-22-000096","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-27"},{"start":"2022-01-01","end":"2022-06-30","val":303682000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-01-01","end":"2022-09-30","val":303682000,"accn":"0000049600-22-000106","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-26"},{"start":"2022-01-01","end":"2022-09-30","val":303682000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":303682000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":303682000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":303682000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-06-30","val":0,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2023-01-01","end":"2023-09-30","val":0,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024"}]}},"AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation":{"label":"Share-based Payment Arrangement, Decrease for Tax Withholding Obligation","description":"Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":-4240000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":111000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":-7265000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":-7265000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":4836000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2023-01-01","end":"2023-03-31","val":4836000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-03-31","val":4836000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-12-31","val":-4836000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":-4836000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":4836000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":6125000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":6125000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-03-31","val":6125000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-03-31","val":6125000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2024-01-01","end":"2024-03-31","val":6125000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-03-31","val":6125000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-12-31","val":-6125000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":6125000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":4133000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":4133000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-03-31","val":4133000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-03-31","val":4133000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-12-31","val":4133000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":6133000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable":{"label":null,"description":null,"units":{"USD":[{"start":"2022-01-01","end":"2022-12-31","val":303682000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":303682000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":303682000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"}]}},"BelowMarketLeaseAccumulatedAmortization":{"label":"Below Market Lease, Accumulated Amortization","description":"Amount of accumulated amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.","units":{"USD":[{"end":"2021-12-31","val":2707000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-12-31","val":3957000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":3957000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":3957000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":3957000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-06-30","val":4559000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":5009000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":5006000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":5006000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":5006000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":5006000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":5006000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":4786000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":5241000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":5786000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":6781000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":6781000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":6781000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":6781000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":6781000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":8259000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":9512000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":9971000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":11371000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":11371000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":11500000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"BelowMarketLeaseGross":{"label":"Below Market Lease, Gross","description":"Amount before amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.","units":{"USD":[{"end":"2021-12-31","val":8124000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-12-31","val":10735000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":10735000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":10735000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":10735000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-06-30","val":10001000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":10800000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":11451000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":11451000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":11451000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":11451000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":11451000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":10640000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":11063000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":12953000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":29198000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":29198000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":29198000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":29198000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":29198000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":29087000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":28797000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":35016000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":34764000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":34764000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":33794000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"BelowMarketLeaseNet":{"label":"Below Market Lease, Net","description":"Amount after amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.","units":{"USD":[{"end":"2021-12-31","val":5417000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021Q4I"},{"end":"2022-12-31","val":6778000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"end":"2022-12-31","val":6778000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":6778000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":6778000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-06-30","val":5442000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":5791000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":6445000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":6445000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":6445000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":6445000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":6445000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":5854000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":5822000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":7167000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":22417000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":22417000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":22417000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":22417000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":22417000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":20828000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":19285000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":25045000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":23393000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":23393000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":22294000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"InterestCostsCapitalized":{"label":"Interest Costs Capitalized","description":"Amount of interest capitalized during the period.","units":{"USD":[{"start":"2020-01-01","end":"2020-12-31","val":9651000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":9028000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":12393000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022"}]}},"LessorOperatingLeasePaymentsToBeReceived":{"label":"Lessor, Operating Lease, Payments to be Received","description":"Amount of lease payments to be received by lessor for operating lease.","units":{"USD":[{"end":"2022-12-31","val":1826880000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2023-12-31","val":2024279000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":2292119000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":2434113000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"LessorOperatingLeasePaymentsToBeReceivedFiveYears":{"label":"Lessor, Operating Lease, Payment to be Received, Year Five","description":"Amount of lease payment to be received by lessor for operating lease in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2022-12-31","val":159994000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2023-12-31","val":182399000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":221056000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":228970000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"LessorOperatingLeasePaymentsToBeReceivedFourYears":{"label":"Lessor, Operating Lease, Payment to be Received, Year Four","description":"Amount of lease payment to be received by lessor for operating lease in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2022-12-31","val":237066000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2023-12-31","val":248466000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":295519000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":317097000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths":{"label":"Lessor, Operating Lease, Payment to be Received, Year One","description":"Amount of lease payment to be received by lessor for operating lease in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2022-12-31","val":390062000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2023-12-31","val":439737000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":497772000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":551905000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"LessorOperatingLeasePaymentsToBeReceivedThereafter":{"label":"Lessor, Operating Lease, Payment to be Received, after Year Five","description":"Amount of lease payment to be received by lessor for operating lease after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2022-12-31","val":383192000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2023-12-31","val":419378000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":446149000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":448508000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"LessorOperatingLeasePaymentsToBeReceivedThreeYears":{"label":"Lessor, Operating Lease, Payment to be Received, Year Three","description":"Amount of lease payment to be received by lessor for operating lease in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2022-12-31","val":300660000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2023-12-31","val":334605000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":372124000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":402450000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"LessorOperatingLeasePaymentsToBeReceivedTwoYears":{"label":"Lessor, Operating Lease, Payment to be Received, Year Two","description":"Amount of lease payment to be received by lessor for operating lease in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2022-12-31","val":355906000,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022Q4I"},{"end":"2023-12-31","val":399694000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":459499000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":485183000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"StockIssuedDuringPeriodSharesAcquisitions":{"label":"Stock Issued During Period, Shares, Acquisitions","description":"Number of shares of stock issued during the period pursuant to acquisitions.","units":{"shares":[{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-04-01","end":"2022-06-30","val":1868809,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":1868809,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-12-31","val":1868809,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":1868809,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":1868809,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024"}]}},"StockIssuedDuringPeriodSharesPurchaseOfAssets":{"label":"Stock Issued During Period, Shares, Purchase of Assets","description":"Number of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.","units":{"shares":[{"start":"2022-01-01","end":"2022-12-31","val":1868809,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":1868809,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":1868809,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"}]}},"StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited":{"label":"Stock Issued During Period, Shares, Restricted Stock Award, Forfeited","description":"Number of shares related to Restricted Stock Award forfeited during the period.","units":{"shares":[{"start":"2020-01-01","end":"2020-12-31","val":440,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":1015,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":1015,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":1015,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":2545,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":2545,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":0,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"StockIssuedDuringPeriodSharesRestrictedStockAwardGross":{"label":"Stock Issued During Period, Shares, Restricted Stock Award, Gross","description":"Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.","units":{"shares":[{"start":"2020-01-01","end":"2020-12-31","val":69446,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":66623,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":66623,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":71217,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":71217,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":71217,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":57741,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":57741,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":57741,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":84308,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":84308,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":60220,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"StockIssuedDuringPeriodSharesShareBasedCompensationGross":{"label":"Shares Issued, Shares, Share-based Payment Arrangement, before Forfeiture","description":"Number, before forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).","units":{"shares":[{"start":"2020-01-01","end":"2020-12-31","val":8182,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":4466,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2021-01-01","end":"2021-12-31","val":4466,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":161,"accn":"0000049600-23-000021","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15"},{"start":"2022-01-01","end":"2022-12-31","val":161,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":161,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024"}]}},"EscrowDeposit":{"label":"Escrow Deposit","description":"The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.","units":{"USD":[{"end":"2022-12-31","val":2522000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":2522000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":2522000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q4I"},{"end":"2023-03-31","val":2866000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":1197000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":1981000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":745000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":745000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":745000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q4I"},{"end":"2024-03-31","val":1219000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":1933000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":7886000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":3336000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":3336000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":3336000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q4I"},{"end":"2025-03-31","val":3716000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":4785000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":2766000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":2644000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":2778000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"InsuranceSettlementsReceivable":{"label":"Insurance Settlements Receivable","description":"Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.","units":{"USD":[{"end":"2022-12-31","val":2828000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26"},{"end":"2022-12-31","val":2828000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"end":"2022-12-31","val":2828000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":2828000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":6098000,"accn":"0000049600-23-000062","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-26","frame":"CY2023Q1I"},{"end":"2023-06-30","val":4789000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":4433000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":1425000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":1425000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":1425000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":1425000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":1425000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":1294000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":4051000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":3334000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":3863000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":3863000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":3863000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":3863000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":3863000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":4831000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":2028000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":2542000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":4656000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":4656000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":2694000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"LinesOfCreditCurrent":{"label":"Line of Credit, Current","description":"The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.","units":{"USD":[{"end":"2022-12-31","val":168454000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q4I"},{"end":"2023-06-30","val":-2002000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"}]}},"RetainedEarningsAccumulatedDeficit":{"label":"Retained Earnings (Accumulated Deficit)","description":"The cumulative amount of the reporting entity's undistributed earnings or deficit.","units":{"USD":[{"end":"2022-12-31","val":334898000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2022Q4I"},{"end":"2023-06-30","val":358934000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26","frame":"CY2023Q2I"}]}},"StockIssuedDuringPeriodValueAcquisitions":{"label":"Stock Issued During Period, Value, Acquisitions","description":"Value of stock issued pursuant to acquisitions during the period.","units":{"USD":[{"start":"2022-04-01","end":"2022-06-30","val":303682000,"accn":"0000049600-23-000095","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-26"},{"start":"2022-04-01","end":"2022-06-30","val":303682000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q2"}]}},"AccumulatedOtherComprehensiveIncomeLossBeforeTax1":{"label":"AOCI Including Portion Attributable to Noncontrolling Interest, before Tax","description":"Amount before tax of increase (decrease) in accumulated equity from transactions and other events and circumstances from non-owner sources, including portion attributable to noncontrolling interest. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners (distributions to owners).","units":{"USD":[{"end":"2021-12-31","val":1302000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2021Q4I"},{"end":"2022-06-30","val":23971000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q2I"},{"end":"2022-09-30","val":41128000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3I"},{"end":"2022-12-31","val":36371000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q4I"},{"end":"2023-06-30","val":36311000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q2I"},{"end":"2023-09-30","val":42088000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"}]}},"AmortizationOfAboveAndBelowMarketLeases":{"label":"Amortization of above and below Market Leases","description":"Amount of non-cash amortization of intangible asset (liability) for above and below market leases.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":-1048000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":-1957000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":-605000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-2565000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":-2565000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-599000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":1295000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":696000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":-1855000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":1855000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":-560000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":560000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":-2483000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":-2483000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":2483000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":-607000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":607000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":1153000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":1153000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":546000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":546000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":1765000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":1765000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":612000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":612000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":-2916000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":2916000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":1567000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":1567000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":3087000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":1520000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":4634000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":1547000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":6261000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":1576000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"BuildingsAndImprovementsGross":{"label":"Buildings and Improvements, Gross","description":"Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.","units":{"USD":[{"end":"2022-12-31","val":3012319000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q4I"},{"end":"2023-09-30","val":3271579000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":3336615000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":3336615000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":3336615000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q4I"},{"end":"2024-03-31","val":3382163000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":3459744000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":3562908000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":3815850000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":3815850000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":3815850000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q4I"},{"end":"2025-03-31","val":3862774000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":3951399000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":4147362000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":4173416000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":4245312000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"CommonStockOtherValueOutstanding":{"label":"Common Stock, Other Value, Outstanding","description":"Value of shares of other common stock instruments held by shareholders, such as exchangeable shares. May be all or portion of the number of common shares authorized.","units":{"USD":[{"end":"2022-12-31","val":0,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"end":"2022-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-09-30","val":0,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":0,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":0,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":0,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":0,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":0,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":0,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":0,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":0,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":0,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":0,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":0,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":0,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":0,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":0,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":0,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"DebtLongtermAndShorttermCombinedAmount":{"label":"Debt, Long-term and Short-term, Combined Amount","description":"Represents the aggregate of total long-term debt, including current maturities and short-term debt.","units":{"USD":[{"end":"2022-12-31","val":1861744000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q4I"},{"end":"2023-09-30","val":1674371000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"}]}},"DirectCostsOfLeasedAndRentedPropertyOrEquipment":{"label":"Direct Costs of Leased and Rented Property or Equipment","description":"Amount of expense incurred and directly related to generating revenue by lessor from operating lease of rented property and equipment.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":115078000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":98643000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":35033000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":133915000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":133915000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":36186000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":73953000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":37767000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":114662000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":114662000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":40709000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":40709000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":154030000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":154030000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":154030000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":43003000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":43003000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":86854000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":86854000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":43851000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":43851000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":131017000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":131017000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":44163000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":44163000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":174212000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":174212000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":46760000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":46760000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":95123000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":48363000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":143127000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":48004000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":192243000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":50523000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"GainLossOnDispositionOfAssets1":{"label":"Gain (Loss) on Disposition of Assets","description":"Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.","units":{"USD":[{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":4187000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"}]}},"GainLossOnSaleOfInvestments":{"label":"Gain (Loss) on Sale of Investments","description":"The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.","units":{"USD":[{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":446000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"}]}},"IncreaseDecreaseInOtherOperatingLiabilities":{"label":"Increase (Decrease) in Other Operating Liabilities","description":"Amount of increase (decrease) in operating liabilities classified as other.","units":{"USD":[{"start":"2022-01-01","end":"2022-09-30","val":398000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":0,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"}]}},"IncreaseDecreaseInRetainagePayable":{"label":"Increase (Decrease) in Retainage Payable","description":"The increase (decrease) during the reporting period in retainage obligations due by the reporting entity that are payable within one year (or one business cycle).","units":{"USD":[{"start":"2022-01-01","end":"2022-09-30","val":22141000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-03-31","val":12271000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":20614000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":26724000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":26724000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-03-31","val":-7204000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":-7204000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":-9205000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":-9205000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":-12950000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2025-01-01","end":"2025-03-31","val":7209000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":5299000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"}]}},"LongTermLineOfCredit":{"label":"Long-term Line of Credit, Noncurrent","description":"The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.","units":{"USD":[{"end":"2022-12-31","val":168454000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q4I"},{"end":"2023-09-30","val":-1760000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"}]}},"OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent":{"label":"Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent","description":"Amount before tax of other comprehensive income (loss) attributable to parent entity.","units":{"USD":[{"start":"2022-01-01","end":"2022-09-30","val":39826000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":17157000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2023-01-01","end":"2023-09-30","val":5717000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":5777000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3"}]}},"OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax":{"label":"Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax","description":"Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.","units":{"USD":[{"start":"2022-01-01","end":"2022-03-31","val":15828000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q1"},{"start":"2022-04-01","end":"2022-06-30","val":6841000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":39826000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":17157000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2023-01-01","end":"2023-03-31","val":-10262000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q1"},{"start":"2023-04-01","end":"2023-06-30","val":10202000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":5717000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":5777000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3"}]}},"OtherCostAndExpenseOperating":{"label":"Other Cost and Expense, Operating","description":"The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.","units":{"USD":[{"start":"2022-01-01","end":"2022-09-30","val":410000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":119000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2023-01-01","end":"2023-09-30","val":436000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":147000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3"}]}},"OtherNonoperatingAssetRelatedIncome":{"label":"Other Nonoperating-Asset Related Income","description":"Amount of income related to nonoperating assets, classified as other.","units":{"USD":[{"start":"2022-01-01","end":"2022-09-30","val":888000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-07-01","end":"2022-09-30","val":326000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q3"},{"start":"2023-01-01","end":"2023-09-30","val":1661000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-07-01","end":"2023-09-30","val":474000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3"}]}},"PaymentsToAcquireOtherPropertyPlantAndEquipment":{"label":"Payments to Acquire Other Property, Plant, and Equipment","description":"Amount of cash outflow from the acquisition of or improvements to long-lived, physical assets used to produce goods and services and not intended for resale, classified as other.","units":{"USD":[{"start":"2022-01-01","end":"2022-09-30","val":1445000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":1620000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"}]}},"ProceedsFromInsuranceSettlementInvestingActivities":{"label":"Proceeds from Insurance Settlement, Investing Activities","description":"Amount of cash inflow for proceeds from settlement of insurance claim, classified as investing activities. Excludes insurance settlement classified as operating activities.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-09-30","val":0,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-06-30","val":1339000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":1339000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25"},{"start":"2023-01-01","end":"2023-09-30","val":1339000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":5029000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":5029000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":5029000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":0,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":2450000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":2450000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":2450000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":2450000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":2450000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":2450000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":3099000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":3099000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":3099000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":3099000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":3099000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":2143000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"RealEstateInvestmentsOther":{"label":"Real Estate Investments, Other","description":"Amount of real estate owned for income production and capital accretion potential, not otherwise specified in the existing taxonomy. Such real estate excludes that which is occupied or used in the business, for entertainment purposes, or held in inventory for specific purposes.","units":{"USD":[{"end":"2022-12-31","val":4395972000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2022Q4I"},{"end":"2023-09-30","val":4776355000,"accn":"0000049600-23-000109","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-25","frame":"CY2023Q3I"}]}},"AmortizationOfDeferredLoanOriginationFeesNet":{"label":"Amortization of Deferred Loan Origination Fees, Net","description":"The net increase(decrease) in interest income during the period representing the allocation of deferred loan origination fees less deferred loan origination costs using the effective interest method over the term of the debt arrangement to which they pertain taking into account the effect of prepayments.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":751000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":713000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":713000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":1005000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":1005000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":1005000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":1012000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":1012000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":960000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"AmortizationOfFinancingCosts":{"label":"Amortization of Debt Issuance Costs","description":"Amount of amortization expense attributable to debt issuance costs.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":1296000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":1357000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":1357000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":1943000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":1943000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":1943000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":1914000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":1914000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":1865000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"AociCashFlowHedgeReferenceRateReformIncreaseDecreaseAfterTax":{"label":null,"description":null,"units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":12054000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":35069000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":35069000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-10262000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2023-01-01","end":"2023-03-31","val":-10262000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-03-31","val":-10262000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q1"},{"start":"2023-04-01","end":"2023-06-30","val":10202000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":10202000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q2"},{"start":"2023-07-01","end":"2023-09-30","val":5777000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":-11483000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":-11483000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":-11483000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":5894000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":5894000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-03-31","val":5894000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-03-31","val":5894000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2024-01-01","end":"2024-03-31","val":5894000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-03-31","val":5894000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q1"},{"start":"2024-04-01","end":"2024-06-30","val":-1095000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":-1095000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-04-01","end":"2024-06-30","val":-1095000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":-1095000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q2"},{"start":"2024-07-01","end":"2024-09-30","val":-15747000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":-15747000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":-2935000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":-2935000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":-6927000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":-6927000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-03-31","val":-6927000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-03-31","val":-6927000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-04-01","end":"2025-06-30","val":-4136000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":-4136000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q2"},{"start":"2025-07-01","end":"2025-09-30","val":-2139000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":-13596000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":1979000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"AociTaxAttributableToParent":{"label":"AOCI Tax, Attributable to Parent","description":"Amount of tax expense (benefit) allocated to accumulated other comprehensive income (loss) attributable to parent.","units":{"USD":[{"end":"2020-12-31","val":-10752000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2020Q4I"},{"end":"2021-12-31","val":1302000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021Q4I"},{"end":"2022-12-31","val":36371000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-12-31","val":24888000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"}]}},"DebtInstrumentCarryingAmount":{"label":"Long-term Debt, Gross","description":"Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.","units":{"USD":[{"end":"2022-12-31","val":1695000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-12-31","val":1680000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":1680000000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-12-31","val":1510000000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":1510000000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-12-31","val":1615000000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"DepreciationAndAmortization":{"label":"Depreciation, Depletion and Amortization, Nonproduction","description":"The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":127099000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":153638000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":153638000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":41014000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":83309000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":42295000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":125830000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":42521000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":171078000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":171078000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":171078000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":45169000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":45169000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":90832000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":90832000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":45663000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":45663000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":139749000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":139749000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":48917000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":48917000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":189411000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":189411000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":52520000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":52520000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":105532000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":53012000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":159663000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":54131000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":216732000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":55497000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"ExcessStockSharesAuthorized":{"label":"Excess Stock, Shares Authorized","description":"Maximum number of excess stock shares permitted to be issued.","units":{"shares":[{"end":"2022-12-31","val":30000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-12-31","val":30000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":30000000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":30000000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":30000000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":30000000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":30000000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":30000000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":30000000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":30000000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":30000000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":30000000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":30000000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":30000000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":30000000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":30000000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":30000000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":30000000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":30000000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":30000000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive":{"label":"Finite-Lived Intangible Asset, Expected Amortization, after Year Five","description":"Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2023-12-31","val":1793000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":4016000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year One","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2023-12-31","val":6611000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":12066000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearFive":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Five","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2023-12-31","val":887000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":2949000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearFour":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Four","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2023-12-31","val":1837000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":3907000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearThree":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Three","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2023-12-31","val":3656000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":6364000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Two","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2023-12-31","val":5421000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":9356000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"}]}},"FiniteLivedIntangibleAssetsNet":{"label":"Finite-Lived Intangible Assets, Net","description":"Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2022-12-31","val":20905000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-12-31","val":20205000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":20205000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-12-31","val":38658000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":38658000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-12-31","val":36463000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"GainLossOnCondemnation":{"label":"Gain (Loss) on Condemnation","description":"The gain (loss) is the pre-tax difference between the net condemnation award and the entity's adjusted basis of the condemned property.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":0,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":1027000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":2069000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":4187000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":4187000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":4187000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":0,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":0,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":1708000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":1708000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":1708000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":1708000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":1708000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":1763000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":1763000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":1763000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":1763000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2026-01-01","end":"2026-03-31","val":1950000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"GainLossOnSaleOfProperties":{"label":"Gain (Loss) on Sale of Properties","description":"The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":38859000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":40999000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":40999000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":4809000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":4809000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":4809000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":17965000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":17965000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":17965000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":8751000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":8751000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":8751000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":222000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":8751000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":222000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":8751000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":8751000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":0,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":0,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":0,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":0,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"LesseeOperatingLeaseLiabilityPaymentsDue":{"label":"Lessee, Operating Lease, Liability, to be Paid","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease.","units":{"USD":[{"end":"2023-12-31","val":58032000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":167248000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":164427000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive":{"label":"Lessee, Operating Lease, Liability, to be Paid, after Year Five","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2023-12-31","val":50298000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":152366000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":149219000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year One","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2023-12-31","val":1496000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":2821000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":2951000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueYearFive":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year Five","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2023-12-31","val":1573000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":3102000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":3148000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueYearFour":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year Four","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2023-12-31","val":1567000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":3040000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":3101000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueYearThree":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year Three","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2023-12-31","val":1567000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":2968000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":3040000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueYearTwo":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year Two","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2023-12-31","val":1531000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"},{"end":"2024-12-31","val":2951000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":2968000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"LineOfCredit":{"label":"Long-term Line of Credit","description":"The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.","units":{"USD":[{"end":"2022-12-31","val":168454000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-12-31","val":-1520000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":-1520000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":-1520000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":-1520000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":-1520000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":-1281000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":-4100000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":-3848000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":-3595000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":-3595000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":-3595000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":-3595000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":-3595000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":-3345000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":-3092000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":42159000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":16249000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":16249000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":-2347000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"LineOfCreditFacilityMaximumBorrowingCapacity":{"label":"Line of Credit Facility, Maximum Borrowing Capacity","description":"Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.","units":{"USD":[{"end":"2022-12-31","val":475000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-12-31","val":675000000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2023Q4I"}]}},"MinorityInterestInJointVentures":{"label":"Noncontrolling Interest in Joint Ventures","description":"Carrying amount of the equity interests owned by noncontrolling shareholders, partners, or other equity holders in joint ventures included in the entity's consolidated financial statements.","units":{"USD":[{"end":"2021-12-31","val":1379000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021Q4I"},{"end":"2022-12-31","val":700000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2022-12-31","val":700000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022Q4I"},{"end":"2023-12-31","val":774000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":774000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2023-12-31","val":774000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023Q4I"},{"end":"2024-12-31","val":924000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":924000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-12-31","val":1032000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"NoncontrollingInterestIncreaseFromBusinessCombination":{"label":"Noncontrolling Interest, Increase from Business Combination","description":"Amount of increase in noncontrolling interest from a business combination.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":584000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2024-01-01","end":"2024-03-31","val":62000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":62000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-03-31","val":62000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q1"}]}},"OperatingLeasePayments":{"label":"Operating Lease, Payments","description":"Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":1707000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":1793000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":1793000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":569000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":1134000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":1620000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":2042000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":2042000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":2042000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":688000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":688000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":1253000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-09-30","val":1783000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-12-31","val":2406000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":2406000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":822000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-12-31","val":3576000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax":{"label":"Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax","description":"Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":12054000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":35069000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":35069000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":-11483000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":-11483000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":-2935000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024"}]}},"OtherCostOfOperatingRevenue":{"label":"Other Cost of Operating Revenue","description":"Other costs incurred during the reporting period related to other revenue generating activities.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":700000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":546000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":546000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":140000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":289000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":149000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":436000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":147000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":582000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":582000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":582000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":177000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":177000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":397000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":397000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":220000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":220000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":556000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":556000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":159000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":159000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":785000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":785000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":263000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":263000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":434000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":171000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":633000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":199000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":839000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":225000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"OtherNonoperatingIncome":{"label":"Other Nonoperating Income","description":"Amount of income related to nonoperating activities, classified as other.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":830000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":1210000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":1210000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":439000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":1187000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":748000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":1661000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":474000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":2435000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":2435000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":2435000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":774000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":774000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":1292000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":1292000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":518000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":518000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":1874000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":1874000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":582000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":582000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":2805000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":2805000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":510000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":510000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":1063000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":553000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":1510000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":447000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":2009000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":2423000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"ProceedsFromUnsecuredLinesOfCredit":{"label":"Proceeds from Unsecured Lines of Credit","description":"The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is uncollateralized (where debt is not backed by the pledge of collateral).","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":625520000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":942173000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":942173000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":143872000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":275080000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":334230000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-01-01","end":"2023-12-31","val":471624000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":471624000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":471624000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":19564000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":19564000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":31863000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":31863000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":55262000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":55262000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":64968000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":64968000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":12406000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":12406000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":22851000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":136191000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":340344000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":111627000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"RentalProperties":{"label":"Rental Properties","description":"Carrying amount of income producing properties held for rental.","units":{"USD":[{"end":"2022-12-31","val":4395972000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2022Q4I"},{"end":"2023-12-31","val":4853548000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"end":"2023-12-31","val":4853548000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":4853548000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":4853548000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":4853548000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-03-31","val":4927921000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":5039199000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":5184057000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":5503444000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":5503444000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":5503444000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":5503444000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":5503444000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":5565764000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":5694951000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":5950075000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":5989788000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":5989788000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":6063923000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"RepaymentsOfLongTermLinesOfCredit":{"label":"Repayments of Long-term Lines of Credit","description":"The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":541310000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":981383000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":981383000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":641624000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":641624000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":641624000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":64968000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":64968000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":321499000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability":{"label":"Right-of-Use Asset Obtained in Exchange for Operating Lease Liability","description":"Amount of increase in right-of-use asset obtained in exchange for operating lease liability.","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":13056000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":559000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":559000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":2379000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":2379000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":2379000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-06-30","val":1253000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":1783000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":21836000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":21836000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":822000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":1787000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":2690000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":0,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":983000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period","description":"The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.","units":{"shares":[{"start":"2022-01-01","end":"2022-12-31","val":770,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":770,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":184,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":184,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":184,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":192,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":192,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":205,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"StockGrantedDuringPeriodValueSharebasedCompensation":{"label":"Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture","description":"Value, after forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":9847000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":10802000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":10802000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":3477000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2023-01-01","end":"2023-03-31","val":3477000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-03-31","val":3477000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q1"},{"start":"2023-04-01","end":"2023-06-30","val":2771000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":2771000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q2"},{"start":"2023-07-01","end":"2023-09-30","val":2766000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":11777000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":11777000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":11777000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":4147000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":4147000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-03-31","val":4147000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-03-31","val":4147000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2024-01-01","end":"2024-03-31","val":4147000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-03-31","val":4147000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q1"},{"start":"2024-04-01","end":"2024-06-30","val":2644000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":2644000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-04-01","end":"2024-06-30","val":2644000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":2644000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q2"},{"start":"2024-07-01","end":"2024-09-30","val":3012000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":3012000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":12493000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":12493000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":4791000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":4791000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-03-31","val":4791000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-03-31","val":4791000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-04-01","end":"2025-06-30","val":2668000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":2668000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q2"},{"start":"2025-07-01","end":"2025-09-30","val":3081000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":13683000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":4658000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"StockGrantedDuringPeriodValueSharebasedCompensationForfeited":{"label":"Shares Granted, Value, Share-based Payment Arrangement, Forfeited","description":"Value of forfeited shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).","units":{"USD":[{"start":"2022-01-01","end":"2022-12-31","val":-111000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":-111000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":7000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2023-01-01","end":"2023-03-31","val":7000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-03-31","val":7000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q1"},{"start":"2023-07-01","end":"2023-09-30","val":13000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":-32000,"accn":"0000049600-24-000021","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":-32000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2023-01-01","end":"2023-12-31","val":32000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":13000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":13000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-03-31","val":13000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-03-31","val":13000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2024-01-01","end":"2024-03-31","val":13000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-03-31","val":13000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q1"},{"start":"2024-04-01","end":"2024-06-30","val":10000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":10000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-04-01","end":"2024-06-30","val":10000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":10000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q2"},{"start":"2024-07-01","end":"2024-09-30","val":3000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":3000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":-34000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"start":"2024-01-01","end":"2024-12-31","val":34000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":3000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":3000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-03-31","val":3000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-03-31","val":3000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-04-01","end":"2025-06-30","val":21000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":21000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-12-31","val":36000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":8000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"LongTermDebt":{"label":"Long-term Debt","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","units":{"USD":[{"end":"2023-12-31","val":1674827000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"end":"2023-12-31","val":1674827000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"end":"2023-12-31","val":1674827000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q4I"},{"end":"2024-03-31","val":1675292000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1I"},{"end":"2024-06-30","val":1672699000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2I"},{"end":"2024-09-30","val":1623170000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":1503562000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q4I"},{"end":"2025-03-31","val":1453938000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":1460000000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":1440000000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2026-03-31","val":1615000000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"RepaymentsOfLinesOfCredit":{"label":"Repayments of Lines of Credit","description":"Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.","units":{"USD":[{"start":"2023-01-01","end":"2023-03-31","val":-241845000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":-445080000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-09-30","val":-504230000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-03-31","val":-19564000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":-19564000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":-31863000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-06-30","val":31863000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-09-30","val":-55262000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-09-30","val":55262000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-03-31","val":-12406000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":12406000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":22851000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-09-30","val":91191000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2026-01-01","end":"2026-03-31","val":130472000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"StockIssuedDuringPeriodSharesShareBasedCompensation":{"label":"Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture","description":"Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).","units":{"shares":[{"start":"2023-01-01","end":"2023-03-31","val":46,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2023-01-01","end":"2023-03-31","val":46,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-01-01","end":"2023-03-31","val":46,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q1"},{"start":"2023-07-01","end":"2023-09-30","val":74,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2024-01-01","end":"2024-03-31","val":68,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24"},{"start":"2024-01-01","end":"2024-03-31","val":68,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-01-01","end":"2024-03-31","val":68,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-01-01","end":"2024-03-31","val":68,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2024-01-01","end":"2024-03-31","val":68,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-01-01","end":"2024-03-31","val":68,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q1"},{"start":"2024-04-01","end":"2024-06-30","val":57,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":57,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-04-01","end":"2024-06-30","val":57,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":57,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q2"},{"start":"2024-07-01","end":"2024-09-30","val":22,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":22,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2025-01-01","end":"2025-03-31","val":14,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":14,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-03-31","val":14,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-03-31","val":14,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-04-01","end":"2025-06-30","val":122,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":122,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-03-31","val":40,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"UnrealizedGainLossOnCashFlowHedgingInstruments":{"label":"Unrealized Gain (Loss) on Cash Flow Hedging Instruments","description":"Amount of unrealized gain (loss) related to derivatives designated as cash flow hedging instruments, recorded in results of operations to the extent that the cash flow hedge is determined to be ineffective.","units":{"USD":[{"start":"2022-01-01","end":"2022-12-31","val":35069000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-10262000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":-60000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2023-04-01","end":"2023-06-30","val":10202000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":5717000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2023-07-01","end":"2023-09-30","val":5777000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":-11483000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":5894000,"accn":"0000049600-24-000065","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-24","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":4799000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24"},{"start":"2024-04-01","end":"2024-06-30","val":-1095000,"accn":"0000049600-24-000088","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-24","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":-10948000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"start":"2024-07-01","end":"2024-09-30","val":-15747000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":-2935000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024"}]}},"FiniteLivedIntangibleAssetOffMarketLeaseFavorableGross":{"label":"Finite-Lived Intangible Asset, Off-market Lease, Favorable, Gross","description":"This element represents the identifiable intangible asset established upon acquisition based on a favorable difference between the terms of an acquired lease and the current market terms for that lease at the acquisition date.","units":{"USD":[{"end":"2023-12-31","val":482000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2023Q4I"},{"end":"2024-09-30","val":582000,"accn":"0000049600-24-000108","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":564000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":564000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":564000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q4I"},{"end":"2025-03-31","val":564000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":564000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":619000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":674000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":675000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"EmployeeRelatedLiabilitiesCurrentAndNoncurrent":{"label":"Employee-related Liabilities","description":"Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.","units":{"USD":[{"end":"2023-12-31","val":6166000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-12-31","val":6726000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12"},{"end":"2024-12-31","val":6726000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"end":"2024-12-31","val":6726000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"end":"2024-12-31","val":6726000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":6726000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-03-31","val":2017000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1I"},{"end":"2025-06-30","val":3956000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2I"},{"end":"2025-09-30","val":6261000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":8614000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11"},{"end":"2025-12-31","val":8614000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q4I"},{"end":"2026-03-31","val":2320000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1I"}]}},"OperatingLeaseWeightedAverageDiscountRatePercent":{"label":"Operating Lease, Weighted Average Discount Rate, Percent","description":"Weighted average discount rate for operating lease calculated at point in time.","units":{"pure":[{"end":"2023-12-31","val":0.0599,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023Q4I"},{"end":"2024-12-31","val":0.0682,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024Q4I"},{"end":"2025-12-31","val":0.0682,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax":{"label":"Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax","description":"Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).","units":{"USD":[{"start":"2022-01-01","end":"2022-12-31","val":-2494000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":-17802000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":-17804000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024"}]}},"PaymentsForConstructionInProcess":{"label":"Payments for Construction in Process","description":"The cash outflow from construction costs to date on capital projects that have not been completed and assets being constructed that are not ready to be placed into service.","units":{"USD":[{"start":"2022-01-01","end":"2022-12-31","val":4211000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":12163000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":-17170000,"accn":"0000049600-25-000019","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-12","frame":"CY2024"}]}},"OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxNoncontrollingInterest":{"label":"Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax, Noncontrolling Interest","description":"Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness, attributable to noncontrolling interest.","units":{"USD":[{"start":"2024-01-01","end":"2024-03-31","val":5894000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2025-01-01","end":"2025-03-31","val":-6927000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2025Q1"}]}},"OtherComprehensiveIncomeLossCashFlowHedgeReclassificationForDiscontinuanceBeforeTax":{"label":"Other Comprehensive Income (Loss), Cash Flow Hedge, Reclassification for Discontinuance, before Tax","description":"Amount, before tax, of reclassification from accumulated other comprehensive income (AOCI) for gain (loss) from discontinuance of cash flow hedge included in assessment of hedge effectiveness.","units":{"USD":[{"start":"2024-01-01","end":"2024-03-31","val":5894000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":4799000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":-1095000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":-10948000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":-15747000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2025-01-01","end":"2025-03-31","val":-6927000,"accn":"0000049600-25-000065","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-23"},{"start":"2025-01-01","end":"2025-03-31","val":-6927000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":-11063000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":-4136000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":-13202000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":-2139000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2026-01-01","end":"2026-03-31","val":1979000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"NetCashProvidedByUsedInInvestingActivitiesContinuingOperations":{"label":"Net Cash Provided by (Used in) Investing Activities, Continuing Operations","description":"Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.","units":{"USD":[{"start":"2024-01-01","end":"2024-06-30","val":468000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-01-01","end":"2025-06-30","val":495000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"}]}},"OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent":{"label":"Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent","description":"Amount after tax of other comprehensive income (loss) attributable to parent entity.","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":-11483000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-06-30","val":4799000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2024-04-01","end":"2024-06-30","val":-1095000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":-10948000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":-15747000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":-2935000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":-6927000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":-11063000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23"},{"start":"2025-04-01","end":"2025-06-30","val":-4136000,"accn":"0000049600-25-000100","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-23","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":-13202000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":-2139000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":-13596000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":1979000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity":{"label":"Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest","description":"Amount after tax of income (loss) from continuing operations attributable to the noncontrolling interest.","units":{"USD":[{"start":"2024-01-01","end":"2024-09-30","val":42000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-07-01","end":"2024-09-30","val":14000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2024Q3"},{"start":"2025-01-01","end":"2025-03-31","val":14000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-09-30","val":42000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-07-01","end":"2025-09-30","val":14000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3"},{"start":"2026-01-01","end":"2026-03-31","val":0,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"IncreaseDecreaseInConstructionPayables":{"label":"Increase (Decrease) in Construction Payables","description":"The increase (decrease) during the reporting period of obligations, not classified as trade payables, incurred and payable for the acquisition of merchandise, materials, supplies, and services pertaining to construction projects.","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":12163000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-09-30","val":-12950000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2024-01-01","end":"2024-12-31","val":-17170000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":7209000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-09-30","val":-1463000,"accn":"0000049600-25-000109","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"start":"2025-01-01","end":"2025-12-31","val":-5066000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":-4729000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"AccruedLiabilitiesCurrentAndNoncurrent":{"label":"Accrued Liabilities","description":"Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.","units":{"USD":[{"end":"2024-12-31","val":0,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-12-31","val":9052000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"CapitalExpendituresIncurredButNotYetPaid":{"label":"Capital Expenditures Incurred but Not yet Paid","description":"Future cash outflow to pay for purchases of fixed assets that have occurred.","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":14992000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":10920000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":11838000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-12-31","val":6324000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":7300000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"CapitalLeaseObligationsIncurred":{"label":"Lease Obligation Incurred","description":"Amount of increase in lease obligation from new lease.","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":5275000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":8753000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":9593000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-12-31","val":10341000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":8007000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"CashEquivalentsAtCarryingValue":{"label":"Cash Equivalents, at Carrying Value","description":"Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2024-12-31","val":17529000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024Q4I"},{"end":"2025-12-31","val":1007000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025Q4I"}]}},"ConstructionInProgressExpendituresIncurredButNotYetPaid":{"label":"Construction in Progress Expenditures Incurred but Not yet Paid","description":"Future cash outflow to pay for construction in progress expenditures that have occurred.","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":29487000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":16388000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":22679000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-12-31","val":15919000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":10214000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"GainLossOnSaleOfOtherInvestments":{"label":"Gain (Loss) on Sale of Other Investments","description":"Amount of gain (loss) included in earnings for investments classified as other.","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":4187000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":1708000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":1763000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"LiabilitiesAssumed1":{"label":"Liabilities Assumed","description":"The fair value of liabilities assumed in noncash investing or financing activities.","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":62393000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":74049000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":74153000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-12-31","val":84725000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":84658000,"accn":"0000049600-26-000029","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-22","frame":"CY2026Q1"}]}},"OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax":{"label":"OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax","description":"Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":-11483000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":-2935000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":-13596000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}},"ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax":{"label":"Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax","description":"Amount after tax of reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":-17802000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":-17804000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":-10921000,"accn":"0000049600-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"}]}}},"ecd":{"CoSelectedMeasureAmt":{"label":"","description":"","units":{"pure":[{"start":"2021-01-01","end":"2021-12-31","val":6.09,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":7,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":7.79,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":8.35,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":8.98,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2025"}]}},"NonPeoNeoAvgCompActuallyPaidAmt":{"label":"","description":"","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":4026839,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":435024,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":3441758,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":1229579,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":3253686,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2025"}]}},"NonPeoNeoAvgTotalCompAmt":{"label":"","description":"","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":1681057,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":1875710,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":2277324,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":2191323,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":2583265,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2025"}]}},"PeerGroupTotalShareholderRtnAmt":{"label":"","description":"","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":131.78,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":99.67,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":113.35,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":123.25,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":137.82,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2025"}]}},"PeoActuallyPaidCompAmt":{"label":"","description":"","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":14229431,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":-36469,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":11324343,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":3198715,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":12189367,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2025"}]}},"PeoTotalCompAmt":{"label":"","description":"","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":5397019,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":5467097,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":6894670,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":7123038,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":9437394,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2025"}]}},"TotalShareholderRtnAmt":{"label":"","description":"","units":{"USD":[{"start":"2021-01-01","end":"2021-12-31","val":179.73,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":120.29,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":153.53,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":138.42,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":148.98,"accn":"0000049600-26-000019","fy":null,"fp":null,"form":"DEF 14A","filed":"2026-04-10","frame":"CY2025"}]}}}}}