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"},{"end":"2015-12-31","val":15183000,"accn":"0001144204-16-103330","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-18"},{"end":"2015-12-31","val":15183000,"accn":"0001144204-16-118022","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-10"},{"end":"2015-12-31","val":15183000,"accn":"0001144204-16-133176","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-10"},{"end":"2015-12-31","val":15183000,"accn":"0001144204-17-017032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-28","frame":"CY2015Q4I"},{"end":"2016-03-31","val":14083000,"accn":"0001144204-16-103330","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-18","frame":"CY2016Q1I"},{"end":"2016-06-30","val":15346000,"accn":"0001144204-16-118022","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-10","frame":"CY2016Q2I"},{"end":"2016-09-30","val":16810000,"accn":"0001144204-16-133176","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-10","frame":"CY2016Q3I"},{"end":"2016-12-31","val":15781000,"accn":"0001144204-17-017032","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-28"},{"end":"2016-12-31","val":15781000,"accn":"0001144204-17-028395","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-18"},{"end":"2016-12-31","val":15781000,"accn":"0001144204-17-042367","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-11","frame":"CY2016Q4I"},{"end":"2017-03-31","val":15992000,"accn":"0001144204-17-028395","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-18","frame":"CY2017Q1I"},{"end":"2017-06-30","val":15314000,"accn":"0001144204-17-042367","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-11","frame":"CY2017Q2I"}]}},"BuildingsAndImprovementsGross":{"label":"Buildings 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This item includes treasury stock repurchased by the entity. 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Amount excludes temporary equity. Alternate caption for the concept is permanent 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