{"cik":1127245,"entityName":"WELLS REAL ESTATE FUND XIII L P","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":"2011-06-30","val":0,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2011Q2I"},{"end":"2011-09-30","val":0,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10","frame":"CY2011Q3I"},{"end":"2012-02-29","val":0,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2012-04-30","val":0,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2012Q1I"},{"end":"2012-07-31","val":0,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10","frame":"CY2012Q2I"},{"end":"2012-10-31","val":0,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2013-02-28","val":0,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2013-04-30","val":0,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"},{"end":"2013-07-31","val":0,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2013Q2I"},{"end":"2013-10-31","val":0,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":0,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2013Q4I"},{"end":"2014-03-31","val":0,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2014Q1I"},{"end":"2014-06-30","val":0,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2014Q2I"},{"end":"2014-09-30","val":0,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2014Q3I"},{"end":"2014-12-31","val":0,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2014Q4I"},{"end":"2015-03-31","val":0,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2015Q1I"},{"end":"2015-06-30","val":0,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2015Q2I"},{"end":"2015-09-30","val":0,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2015Q3I"},{"end":"2015-12-31","val":0,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2015Q4I"},{"end":"2016-03-31","val":0,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1I"},{"end":"2016-06-30","val":0,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":0,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016Q4I"},{"end":"2017-03-31","val":0,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-06-30","val":0,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":0,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3I"}]}},"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":"2011-06-30","val":0,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2011Q2I"},{"end":"2012-06-30","val":0,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2012Q2I"},{"end":"2013-06-30","val":0,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2013Q2I"},{"end":"2014-12-31","val":0,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2014Q4I"},{"end":"2015-06-30","val":0,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2015Q2I"},{"end":"2016-06-30","val":0,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016Q2I"}]}}},"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":"2010-12-31","val":11068,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"end":"2010-12-31","val":11068,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"end":"2010-12-31","val":11068,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2010Q4I"},{"end":"2011-06-30","val":3417,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2011Q2I"},{"end":"2011-09-30","val":2498,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10","frame":"CY2011Q3I"},{"end":"2011-12-31","val":8707,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2011-12-31","val":8707,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2011-12-31","val":8707,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"end":"2011-12-31","val":8707,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":8707,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q4I"},{"end":"2012-03-31","val":7259,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2012Q1I"},{"end":"2012-06-30","val":5031,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10","frame":"CY2012Q2I"},{"end":"2012-09-30","val":4485,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":8424,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2012-12-31","val":8424,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2012-12-31","val":8424,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":8424,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":8424,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":12580,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"},{"end":"2013-06-30","val":4720,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2013Q2I"},{"end":"2013-09-30","val":3322,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":12513,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":12513,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"end":"2013-12-31","val":12513,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2013-12-31","val":12513,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2013-12-31","val":12513,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q4I"},{"end":"2014-03-31","val":16840,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2014Q1I"},{"end":"2014-06-30","val":5878,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2014Q2I"},{"end":"2014-09-30","val":892,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1841,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"end":"2014-12-31","val":1841,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2014-12-31","val":1841,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"end":"2014-12-31","val":1841,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2014-12-31","val":1841,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q4I"},{"end":"2015-03-31","val":21232,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2015Q1I"},{"end":"2015-06-30","val":13121,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1336,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2015Q3I"},{"end":"2015-12-31","val":11516,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"end":"2015-12-31","val":11516,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2015-12-31","val":11516,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"end":"2015-12-31","val":11516,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":11516,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q4I"},{"end":"2016-03-31","val":41709,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1I"},{"end":"2016-06-30","val":12608,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2I"},{"end":"2016-09-30","val":4048,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":6741,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"end":"2016-12-31","val":6741,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"end":"2016-12-31","val":6741,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":6741,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":33665,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-06-30","val":11560,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":9791,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3I"}]}},"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":"2010-12-31","val":14709630,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"end":"2010-12-31","val":14709630,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"end":"2010-12-31","val":14709630,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2010Q4I"},{"end":"2011-06-30","val":14746497,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2011Q2I"},{"end":"2011-09-30","val":14840600,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10","frame":"CY2011Q3I"},{"end":"2011-12-31","val":15002398,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2011-12-31","val":15002398,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2011-12-31","val":15002398,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"end":"2011-12-31","val":15002398,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":15002398,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q4I"},{"end":"2012-03-31","val":14989235,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2012Q1I"},{"end":"2012-06-30","val":14978254,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10","frame":"CY2012Q2I"},{"end":"2012-09-30","val":15003689,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":15012286,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2012-12-31","val":15012286,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2012-12-31","val":15012286,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":15012286,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":15012286,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":15087454,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"},{"end":"2013-06-30","val":15042616,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2013Q2I"},{"end":"2013-09-30","val":13845488,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":13433675,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":13433675,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"end":"2013-12-31","val":13433675,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2013-12-31","val":13433675,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2013-12-31","val":13433675,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q4I"},{"end":"2014-03-31","val":13366822,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2014Q1I"},{"end":"2014-06-30","val":13246611,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2014Q2I"},{"end":"2014-09-30","val":13340904,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2014Q3I"},{"end":"2014-12-31","val":15609911,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"end":"2014-12-31","val":15609911,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2014-12-31","val":15609911,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"end":"2014-12-31","val":15609911,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2014-12-31","val":15609911,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q4I"},{"end":"2015-03-31","val":15612531,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2015Q1I"},{"end":"2015-06-30","val":7042500,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2015Q2I"},{"end":"2015-09-30","val":7031785,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2015Q3I"},{"end":"2015-12-31","val":7020514,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"end":"2015-12-31","val":7020514,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2015-12-31","val":7020514,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"end":"2015-12-31","val":7020514,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":7020514,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q4I"},{"end":"2016-03-31","val":6978149,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1I"},{"end":"2016-06-30","val":6923814,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2I"},{"end":"2016-09-30","val":6885574,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":6782089,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"end":"2016-12-31","val":6782089,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"end":"2016-12-31","val":6782089,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":6782089,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":6720122,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-06-30","val":6632442,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":8007122,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3I"}]}},"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":"2008-12-31","val":530337,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2008Q4I"},{"end":"2009-12-31","val":1519750,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"end":"2009-12-31","val":1519750,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"end":"2009-12-31","val":1519750,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2009-12-31","val":1519750,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2009Q4I"},{"end":"2010-06-30","val":2083602,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2010Q2I"},{"end":"2010-09-30","val":2409812,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10","frame":"CY2010Q3I"},{"end":"2010-12-31","val":2735416,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"end":"2010-12-31","val":2735416,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"end":"2010-12-31","val":2735416,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2010-12-31","val":2735416,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2010-12-31","val":2735416,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"end":"2010-12-31","val":2735416,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2010-12-31","val":2735416,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2010-12-31","val":2735416,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2010Q4I"},{"end":"2011-03-31","val":3033161,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2011Q1I"},{"end":"2011-06-30","val":3161805,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"end":"2011-06-30","val":3161805,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10","frame":"CY2011Q2I"},{"end":"2011-09-30","val":3223377,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"end":"2011-09-30","val":3223377,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-09-30","val":3449487,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q3I"},{"end":"2011-12-31","val":3449487,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2011-12-31","val":3449487,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2011-12-31","val":3449487,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"end":"2011-12-31","val":3449487,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":3449487,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2011-12-31","val":3449487,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2011-12-31","val":3449487,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2011-12-31","val":3449487,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2011-12-31","val":3449487,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2011-12-31","val":3449487,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2011Q4I"},{"end":"2012-03-31","val":3636927,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2012-03-31","val":3636927,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2012Q1I"},{"end":"2012-06-30","val":3691517,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"end":"2012-06-30","val":3691517,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2012Q2I"},{"end":"2012-09-30","val":3743636,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2012-09-30","val":3743636,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3I"},{"end":"2012-12-31","val":3732881,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2012-12-31","val":3732881,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2012-12-31","val":3732881,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":3732881,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":3732881,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2012-12-31","val":3732881,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"end":"2012-12-31","val":3732881,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2012-12-31","val":3732881,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2012-12-31","val":3732881,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"end":"2012-12-31","val":3732881,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2012Q4I"},{"end":"2013-03-31","val":3764599,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2013-03-31","val":3764599,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2013Q1I"},{"end":"2013-06-30","val":3850108,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2013-06-30","val":3850108,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2013Q2I"},{"end":"2013-09-30","val":3842410,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2013-09-30","val":3842410,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2013Q3I"},{"end":"2013-12-31","val":3942050,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":3942050,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"end":"2013-12-31","val":3942050,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2013-12-31","val":3942050,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2013-12-31","val":3942050,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"end":"2013-12-31","val":3942050,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2013-12-31","val":3942050,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"end":"2013-12-31","val":3942050,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2013-12-31","val":3942050,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"end":"2013-12-31","val":3942050,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2013Q4I"},{"end":"2014-03-31","val":4083305,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"end":"2014-03-31","val":4083305,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1I"},{"end":"2014-06-30","val":6363161,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2014-06-30","val":6363161,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2014Q2I"},{"end":"2014-09-30","val":6311080,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2014-09-30","val":6311080,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2014Q3I"},{"end":"2014-12-31","val":6334881,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"end":"2014-12-31","val":6334881,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2014-12-31","val":6334881,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"end":"2014-12-31","val":6334881,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2014-12-31","val":6334881,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"end":"2014-12-31","val":6334881,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2014-12-31","val":6334881,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"end":"2014-12-31","val":6334881,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2014-12-31","val":6334881,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014Q4I"},{"end":"2015-03-31","val":12535884,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2015-03-31","val":12535884,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1I"},{"end":"2015-06-30","val":4026392,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"end":"2015-06-30","val":4026392,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2015Q2I"},{"end":"2015-09-30","val":4039835,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2015-09-30","val":4039835,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3I"},{"end":"2015-12-31","val":4050609,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"end":"2015-12-31","val":4050609,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2015-12-31","val":4050609,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"end":"2015-12-31","val":4050609,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":4050609,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"end":"2015-12-31","val":4050609,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"end":"2015-12-31","val":4050609,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2015-12-31","val":4050609,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":4030208,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2016-03-31","val":4030208,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-06-30","val":3990954,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"end":"2016-06-30","val":3990954,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2I"},{"end":"2016-09-30","val":3977003,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2016-09-30","val":3977003,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3870222,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"end":"2016-12-31","val":3870222,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"end":"2016-12-31","val":3870222,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":3870222,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3692912,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3562431,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":7953129,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3I"}]}},"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":"2009-01-01","end":"2009-12-31","val":989413,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":563852,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2010-01-01","end":"2010-09-30","val":890062,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2010-01-01","end":"2010-12-31","val":1215666,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2010-01-01","end":"2010-12-31","val":1215666,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":297745,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":426389,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2011-01-01","end":"2011-06-30","val":426389,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2011-01-01","end":"2011-09-30","val":487961,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2011-01-01","end":"2011-09-30","val":487961,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":714071,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":714071,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":714071,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":187440,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"start":"2012-01-01","end":"2012-03-31","val":187440,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":242030,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-01-01","end":"2012-06-30","val":242030,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-01-01","end":"2012-09-30","val":294149,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":294149,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":283394,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-01-01","end":"2012-12-31","val":283394,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":283394,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":31718,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2013-01-01","end":"2013-03-31","val":31718,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":117227,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-06-30","val":117227,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-01-01","end":"2013-09-30","val":109529,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":109529,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-01-01","end":"2013-12-31","val":209169,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-12-31","val":209169,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":209169,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":141255,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2014-01-01","end":"2014-03-31","val":141255,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":2421111,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":2421111,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-01-01","end":"2014-09-30","val":2369030,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":2369030,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-01-01","end":"2014-12-31","val":2392831,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":2392831,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":2392831,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":6201003,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":6201003,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-2308489,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":-2308489,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-01-01","end":"2015-09-30","val":-2295046,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":-2295046,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":-2284272,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":-2284272,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-20401,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2016-01-01","end":"2016-03-31","val":-20401,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-59655,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-06-30","val":-59655,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":-73606,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-73606,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":-180387,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-177310,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-307791,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-09-30","val":4082907,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"}]}},"CommunicationsAndInformationTechnology":{"label":"Communications and Information Technology","description":"The amount of expense in the period for communications and data processing expense.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":1817,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":1728,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":1728,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":1856,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-01-01","end":"2012-12-31","val":1856,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":1856,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":2019,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-12-31","val":2019,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":2019,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":4195,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":4195,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":4195,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":7280,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":7280,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":9574,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"}]}},"DistributionMadeToLimitedPartnerCashDistributionsPaid":{"label":"Distribution Made to Limited Partner, Cash Distributions Paid","description":"Amount of cash distribution paid to unit-holder of limited partnership (LP).","units":{"USD":[{"start":"2015-01-01","end":"2015-06-30","val":8540415,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-09-30","val":8540415,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"}]}},"DistributionMadeToMemberOrLimitedPartnerCashDistributionsPaid":{"label":"Distribution Made to Member or Limited Partner, Cash Distributions Paid (Deprecated 2013-01-31)","description":"The amount of cash distributions paid to a common shareholder or unit-holder by a LLC or LP.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-272286,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2011"}]}},"DueFromJointVentures":{"label":"Due from Joint Ventures","description":"For an unclassified balance sheet, amounts due from an entity in which the reporting entity shares joint control with another party or group.","units":{"USD":[{"end":"2010-12-31","val":356384,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"end":"2010-12-31","val":356384,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"end":"2010-12-31","val":356384,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2010Q4I"},{"end":"2011-06-30","val":97913,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2011Q2I"},{"end":"2011-09-30","val":258497,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10","frame":"CY2011Q3I"},{"end":"2011-12-31","val":248256,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2011-12-31","val":248256,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2011-12-31","val":248256,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"end":"2011-12-31","val":248256,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":248256,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q4I"},{"end":"2012-03-31","val":103415,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2012Q1I"},{"end":"2012-06-30","val":98770,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10","frame":"CY2012Q2I"},{"end":"2012-09-30","val":30856,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":90856,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2012-12-31","val":90856,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2012-12-31","val":90856,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":90856,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":90856,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":128932,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"},{"end":"2013-06-30","val":29576,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2013Q2I"},{"end":"2013-09-30","val":130233,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":220744,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":220744,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"end":"2013-12-31","val":220744,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2013-12-31","val":220744,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2013-12-31","val":220744,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q4I"},{"end":"2014-03-31","val":73512,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2014Q1I"},{"end":"2014-06-30","val":721,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2014Q2I"},{"end":"2014-09-30","val":63647,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2014Q3I"},{"end":"2014-12-31","val":87423,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"end":"2014-12-31","val":87423,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2014-12-31","val":87423,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"end":"2014-12-31","val":87423,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2014-12-31","val":87423,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q4I"},{"end":"2015-03-31","val":90478,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2015Q1I"},{"end":"2015-06-30","val":76905,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2015Q2I"},{"end":"2015-09-30","val":81653,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2015Q3I"},{"end":"2015-12-31","val":81591,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"end":"2015-12-31","val":81591,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2015-12-31","val":81591,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"end":"2015-12-31","val":81591,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":81591,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q4I"},{"end":"2016-03-31","val":70473,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1I"},{"end":"2016-06-30","val":74193,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2I"},{"end":"2016-09-30","val":0,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":0,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016Q4I"}]}},"DueToRelatedPartiesCurrentAndNoncurrent":{"label":"Due to Related Parties","description":"Carrying amount as of the balance sheet date of obligations due all related parties.","units":{"USD":[{"end":"2010-12-31","val":8704,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"end":"2010-12-31","val":8704,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"end":"2010-12-31","val":8704,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2010Q4I"},{"end":"2011-06-30","val":9553,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2011Q2I"},{"end":"2011-09-30","val":7896,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10","frame":"CY2011Q3I"},{"end":"2011-12-31","val":8194,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2011-12-31","val":8194,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2011-12-31","val":8194,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"end":"2011-12-31","val":8194,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":8194,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q4I"},{"end":"2012-03-31","val":6408,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2012Q1I"},{"end":"2012-06-30","val":5585,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10","frame":"CY2012Q2I"},{"end":"2012-09-30","val":8781,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":7922,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2012-12-31","val":7922,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2012-12-31","val":7922,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":7922,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":7922,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":3357,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"},{"end":"2013-06-30","val":6497,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2013Q2I"},{"end":"2013-09-30","val":6426,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":6807,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":6807,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"end":"2013-12-31","val":6807,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2013-12-31","val":6807,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2013-12-31","val":6807,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q4I"},{"end":"2014-03-31","val":15546,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2014Q1I"},{"end":"2014-06-30","val":6746,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2014Q2I"},{"end":"2014-09-30","val":5980,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2014Q3I"},{"end":"2014-12-31","val":5655,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"end":"2014-12-31","val":5655,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2014-12-31","val":5655,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"end":"2014-12-31","val":5655,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2014-12-31","val":5655,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q4I"},{"end":"2015-03-31","val":6207,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2015Q1I"},{"end":"2015-06-30","val":5834,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2015Q2I"},{"end":"2015-09-30","val":5703,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2015Q3I"},{"end":"2015-12-31","val":8856,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"end":"2015-12-31","val":8856,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2015-12-31","val":8856,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"end":"2015-12-31","val":8856,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":8856,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q4I"},{"end":"2016-03-31","val":17768,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1I"},{"end":"2016-06-30","val":8884,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2I"},{"end":"2016-09-30","val":17768,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":0,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"end":"2016-12-31","val":0,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"end":"2016-12-31","val":0,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":0,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":35536,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-06-30","val":17768,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":22400,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3I"}]}},"EquityMethodInvestmentDividendsOrDistributions":{"label":"Proceeds from Equity Method Investment, Distribution","description":"Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":1428118,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":689322,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2010-01-01","end":"2010-09-30","val":1051910,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2010-01-01","end":"2010-12-31","val":1418707,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2010-01-01","end":"2010-12-31","val":1418707,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":356384,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":539925,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2011-01-01","end":"2011-06-30","val":539925,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2011-01-01","end":"2011-09-30","val":637837,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2011-01-01","end":"2011-09-30","val":637837,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":896334,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":896334,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":896334,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":248256,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"start":"2012-01-01","end":"2012-03-31","val":248256,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":351671,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-01-01","end":"2012-06-30","val":351671,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-01-01","end":"2012-09-30","val":450441,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":450441,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":481298,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-01-01","end":"2012-12-31","val":481298,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":481298,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":90856,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2013-01-01","end":"2013-03-31","val":90856,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":219789,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-06-30","val":219789,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-01-01","end":"2013-09-30","val":249365,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":249365,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-01-01","end":"2013-12-31","val":379598,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-12-31","val":379598,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":379598,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":220744,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2014-01-01","end":"2014-03-31","val":220744,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":220744,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":220744,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-01-01","end":"2014-09-30","val":220744,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":220744,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-01-01","end":"2014-12-31","val":284391,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":284391,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":284391,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":87423,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":87423,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":177900,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":177900,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-01-01","end":"2015-09-30","val":254805,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":254805,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":336459,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":336459,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":81591,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2016-01-01","end":"2016-03-31","val":81591,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":152064,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-06-30","val":152064,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":226257,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":226257,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":226257,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":0,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"}]}},"EquityMethodInvestmentOtherThanTemporaryImpairment":{"label":"Equity Method Investment, Other than Temporary Impairment","description":"This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-09-30","val":1223431,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-07-01","end":"2013-09-30","val":1223431,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":1718600,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-12-31","val":1718600,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":1718600,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-07-01","end":"2014-09-30","val":0,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2015"}]}},"EquityMethodInvestmentSummarizedFinancialInformationIncomeLossFromContinuingOperationsBeforeExtraordinaryItems":{"label":"Equity Method Investment, Summarized Financial Information, Income (Loss) from Continuing Operations (Deprecated 2020-01-31)","description":"Amount of income (loss) from continuing operations reported by an equity method investee.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":-29083,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-06-30","val":381278,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-04-01","end":"2013-06-30","val":38612,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":597826,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-07-01","end":"2013-09-30","val":216548,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":149512,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":149512,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":24852,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":311225,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":-52497,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-04-01","end":"2014-06-30","val":66366,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-04-01","end":"2014-06-30","val":-77349,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":657454,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":66180,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-07-01","end":"2014-09-30","val":346230,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-07-01","end":"2014-09-30","val":118677,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":287990,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":287990,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":287990,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":213703,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":212037,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":387151,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":387151,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-04-01","end":"2015-06-30","val":173448,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-04-01","end":"2015-06-30","val":173448,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":574795,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":573129,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":187644,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-07-01","end":"2015-09-30","val":187644,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":759207,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":759207,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":143775,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":313556,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-04-01","end":"2016-06-30","val":169781,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":491087,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":177531,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":502812,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"}]}},"EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss":{"label":"Equity Method Investment, Summarized Financial Information, Net Income (Loss) (Deprecated 2020-01-31)","description":"The amount of net income (loss) reported by an equity method investment of the entity.","units":{"USD":[{"start":"2011-01-01","end":"2011-06-30","val":258116,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2011-04-01","end":"2011-06-30","val":159557,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":599175,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":341059,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2012-01-01","end":"2012-03-31","val":19416,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":15550,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-01-01","end":"2012-06-30","val":15550,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-04-01","end":"2012-06-30","val":-3867,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-04-01","end":"2012-06-30","val":-3867,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":178140,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":178140,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":162590,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":162590,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":221815,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":355146,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2013-01-01","end":"2013-03-31","val":355146,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":268090,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-06-30","val":268090,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-04-01","end":"2013-06-30","val":-87056,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-04-01","end":"2013-06-30","val":-87056,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":338694,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":338694,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-07-01","end":"2013-09-30","val":70604,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":70604,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-5488761,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":-5488761,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":-99226,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2014-01-01","end":"2014-03-31","val":-99226,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-422046,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":-422046,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-04-01","end":"2014-06-30","val":-322820,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-04-01","end":"2014-06-30","val":-322820,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-71645,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":-71645,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-07-01","end":"2014-09-30","val":350402,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-07-01","end":"2014-09-30","val":350402,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":4899906,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":4899906,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":4899906,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":213703,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":213703,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":387151,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":387151,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-04-01","end":"2015-06-30","val":173448,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-04-01","end":"2015-06-30","val":173448,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":574795,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":574795,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":187644,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-07-01","end":"2015-09-30","val":187644,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":760873,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":760873,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":143775,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":313556,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-04-01","end":"2016-06-30","val":169781,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":491087,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":177531,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":502812,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"}]}},"EquityMethodInvestmentSummarizedFinancialInformationRevenue":{"label":"Equity Method Investment, Summarized Financial Information, Revenue (Deprecated 2020-01-31)","description":"Amount of revenue from sale of product and rendering of service reported by equity method investee.","units":{"USD":[{"start":"2011-01-01","end":"2011-06-30","val":2401620,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2011-04-01","end":"2011-06-30","val":1226127,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":3619108,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":1217488,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2012-01-01","end":"2012-03-31","val":1053253,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":2129078,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-01-01","end":"2012-06-30","val":2129078,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-04-01","end":"2012-06-30","val":1075825,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-04-01","end":"2012-06-30","val":1075825,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":3147335,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":3147335,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":1018257,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":1018257,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":1142280,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":1184998,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2013-01-01","end":"2013-03-31","val":1184998,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1979272,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-06-30","val":1515387,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-04-01","end":"2013-06-30","val":794274,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-04-01","end":"2013-06-30","val":694790,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":3146537,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":2299213,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-07-01","end":"2013-09-30","val":1167265,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":783826,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":1497592,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":1497592,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":717992,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2014-01-01","end":"2014-03-31","val":309141,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1347368,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":614547,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-04-01","end":"2014-06-30","val":636118,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-04-01","end":"2014-06-30","val":305406,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":2172565,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":1026650,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-07-01","end":"2014-09-30","val":825197,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-07-01","end":"2014-09-30","val":412103,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":1540697,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":1540697,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":1540697,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":481290,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":480629,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":966361,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":966361,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-04-01","end":"2015-06-30","val":485070,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-04-01","end":"2015-06-30","val":485070,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":1462283,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":1461622,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":495923,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-07-01","end":"2015-09-30","val":495923,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":1979829,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":1979829,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":444640,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":948251,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-04-01","end":"2016-06-30","val":503612,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":1448064,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":499813,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":1765191,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"}]}},"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":"2010-12-31","val":11617830,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"end":"2010-12-31","val":11617830,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2010Q4I"},{"end":"2011-09-30","val":11346006,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10","frame":"CY2011Q3I"},{"end":"2011-12-31","val":11291859,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2011-12-31","val":11291859,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2011-12-31","val":11291859,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"end":"2011-12-31","val":11291859,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":11291859,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q4I"},{"end":"2012-03-31","val":11233393,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2012Q1I"},{"end":"2012-06-30","val":11167967,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10","frame":"CY2012Q2I"},{"end":"2012-09-30","val":11213697,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":11170549,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2012-12-31","val":11170549,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2012-12-31","val":11170549,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":11170549,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":11170549,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":11178720,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"},{"end":"2013-06-30","val":11147581,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2013Q2I"},{"end":"2013-09-30","val":9857494,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":9257901,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":9257901,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"end":"2013-12-31","val":9257901,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2013-12-31","val":9257901,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2013-12-31","val":9257901,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q4I"},{"end":"2014-03-31","val":9197025,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2014Q1I"},{"end":"2014-06-30","val":6869749,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2014Q2I"},{"end":"2014-09-30","val":6948839,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2014Q3I"},{"end":"2014-12-31","val":9170269,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"end":"2014-12-31","val":9170269,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2014-12-31","val":9170269,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"end":"2014-12-31","val":9170269,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2014-12-31","val":9170269,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q4I"},{"end":"2015-03-31","val":2967351,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2015Q1I"},{"end":"2015-06-30","val":2939203,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2015Q2I"},{"end":"2015-09-30","val":2910297,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2015Q3I"},{"end":"2015-12-31","val":2881012,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"end":"2015-12-31","val":2881012,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2015-12-31","val":2881012,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"end":"2015-12-31","val":2881012,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":2881012,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q4I"},{"end":"2016-03-31","val":2850955,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1I"},{"end":"2016-06-30","val":2824487,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2I"},{"end":"2016-09-30","val":2874391,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":2877687,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"end":"2016-12-31","val":2877687,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"end":"2016-12-31","val":2877687,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":2877687,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":2993030,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3035064,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":19046,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3I"}]}},"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":"2009-01-01","end":"2009-12-31","val":159254,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":103438,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2010-04-01","end":"2010-06-30","val":44703,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":141567,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2010-07-01","end":"2010-09-30","val":38129,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":186354,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2010-01-01","end":"2010-12-31","val":186354,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":54326,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":94014,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2011-01-01","end":"2011-06-30","val":94014,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2011-04-01","end":"2011-06-30","val":39688,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2011-04-01","end":"2011-06-30","val":39688,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":127778,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2011-01-01","end":"2011-09-30","val":127778,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":33764,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2011-07-01","end":"2011-09-30","val":33764,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":166596,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":166596,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":166596,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":54878,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"start":"2012-01-01","end":"2012-03-31","val":54878,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":96152,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-01-01","end":"2012-06-30","val":96152,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-04-01","end":"2012-06-30","val":41274,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-04-01","end":"2012-06-30","val":41274,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":149953,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":149953,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":53801,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":53801,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":192145,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-01-01","end":"2012-12-31","val":192145,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":192145,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":61526,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2013-01-01","end":"2013-03-31","val":61526,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":100082,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-06-30","val":100082,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-04-01","end":"2013-06-30","val":38556,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-04-01","end":"2013-06-30","val":38556,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":135887,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":135887,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-07-01","end":"2013-09-30","val":35805,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":35805,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":178423,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-12-31","val":178423,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":178423,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":92555,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2014-01-01","end":"2014-03-31","val":92555,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":129454,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":129454,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-04-01","end":"2014-06-30","val":36899,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-04-01","end":"2014-06-30","val":36899,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":172610,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":172610,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-07-01","end":"2014-09-30","val":43156,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-07-01","end":"2014-09-30","val":43156,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":213988,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":213988,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":213988,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":78270,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":78270,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":148649,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":148649,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-04-01","end":"2015-06-30","val":70379,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-04-01","end":"2015-06-30","val":70379,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":200196,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":200196,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":51547,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-07-01","end":"2015-09-30","val":51547,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":277107,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":277107,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":121886,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2016-01-01","end":"2016-03-31","val":121886,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":185961,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-06-30","val":185961,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":64076,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-04-01","end":"2016-06-30","val":64076,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":274429,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":274429,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":88468,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":88468,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":366135,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":128736,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":218577,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":89840,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":311005,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2017-07-01","end":"2017-09-30","val":92429,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3"}]}},"ImpairmentOfRealEstate":{"label":"Impairment of Real Estate","description":"The charge against earnings in the period to reduce the carrying amount of real property to fair value.","units":{"USD":[{"start":"2013-01-01","end":"2013-03-31","val":0,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"}]}},"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":"2009-01-01","end":"2009-12-31","val":786177,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":462023,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2010-04-01","end":"2010-06-30","val":218834,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":740475,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2010-07-01","end":"2010-09-30","val":278452,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":961940,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2010-01-01","end":"2010-12-31","val":961940,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":59885,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"start":"2011-01-01","end":"2011-03-31","val":59885,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":137683,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2011-01-01","end":"2011-06-30","val":137683,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2011-04-01","end":"2011-06-30","val":77798,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2011-04-01","end":"2011-06-30","val":77798,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2011-04-01","end":"2011-06-30","val":77798,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":268126,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2011-01-01","end":"2011-09-30","val":268126,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":130443,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2011-07-01","end":"2011-09-30","val":130443,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":130443,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":462235,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":462235,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":462235,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":194109,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":44949,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"start":"2012-01-01","end":"2012-03-31","val":44949,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-01-01","end":"2012-03-31","val":44949,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2012-01-01","end":"2012-03-31","val":44949,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":78293,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-01-01","end":"2012-06-30","val":78293,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-04-01","end":"2012-06-30","val":33344,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-04-01","end":"2012-06-30","val":33344,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-04-01","end":"2012-06-30","val":33344,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-04-01","end":"2012-06-30","val":33344,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":154879,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":154879,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":76586,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":76586,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-07-01","end":"2012-09-30","val":76586,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":76586,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":202588,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-01-01","end":"2012-12-31","val":202588,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":202588,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":47709,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-10-01","end":"2012-12-31","val":47709,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":137103,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2013-01-01","end":"2013-03-31","val":137103,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-03-31","val":137103,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2013-01-01","end":"2013-03-31","val":137103,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":135541,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-06-30","val":135541,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-04-01","end":"2013-06-30","val":-1562,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-04-01","end":"2013-06-30","val":-1562,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-04-01","end":"2013-06-30","val":-1562,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-04-01","end":"2013-06-30","val":-1562,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":199118,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":199118,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-07-01","end":"2013-09-30","val":63577,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":63577,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-07-01","end":"2013-09-30","val":63577,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-07-01","end":"2013-09-30","val":63577,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":315438,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-12-31","val":315438,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":315438,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":116320,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-10-01","end":"2013-12-31","val":116320,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":12636,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2014-01-01","end":"2014-03-31","val":12636,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-03-31","val":12636,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2014-01-01","end":"2014-03-31","val":12636,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-51329,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":-51329,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-04-01","end":"2014-06-30","val":-63965,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-04-01","end":"2014-06-30","val":-63965,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-04-01","end":"2014-06-30","val":-63965,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-04-01","end":"2014-06-30","val":-63965,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":90687,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":90687,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-07-01","end":"2014-09-30","val":142016,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-07-01","end":"2014-09-30","val":142016,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-07-01","end":"2014-09-30","val":142016,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-07-01","end":"2014-09-30","val":142016,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":2399540,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":2399540,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":2399540,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":2308853,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-10-01","end":"2014-12-31","val":2308853,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":58530,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":58530,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-03-31","val":58530,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2015-01-01","end":"2015-03-31","val":58530,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":107286,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":107286,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-04-01","end":"2015-06-30","val":48756,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-04-01","end":"2015-06-30","val":48756,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-04-01","end":"2015-06-30","val":48756,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-04-01","end":"2015-06-30","val":48756,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":160033,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":160033,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":52747,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-07-01","end":"2015-09-30","val":52747,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-07-01","end":"2015-09-30","val":52747,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":52747,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":212340,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":212340,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":52307,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-10-01","end":"2015-12-31","val":52307,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":40416,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2016-01-01","end":"2016-03-31","val":40416,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2016-01-01","end":"2016-03-31","val":40416,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":88141,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-06-30","val":88141,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":47726,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-04-01","end":"2016-06-30","val":47726,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2016-04-01","end":"2016-06-30","val":47726,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":138045,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":138045,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":49904,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":49904,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2016-07-01","end":"2016-09-30","val":49904,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":141341,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":3295,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":4309,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":46343,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":42033,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":1509648,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2017-07-01","end":"2017-09-30","val":1463306,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3"}]}},"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":"2009-01-01","end":"2009-12-31","val":-9900,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-20310,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2010-01-01","end":"2010-09-30","val":-18426,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2010-01-01","end":"2010-12-31","val":-14516,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2010-01-01","end":"2010-12-31","val":-14516,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":8604,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-7651,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2011-01-01","end":"2011-06-30","val":-7651,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2011-01-01","end":"2011-09-30","val":-8570,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2011-01-01","end":"2011-09-30","val":-8570,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":-2361,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":-2361,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":-2361,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-1448,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"start":"2012-01-01","end":"2012-03-31","val":-1448,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-3676,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-01-01","end":"2012-06-30","val":-3676,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-01-01","end":"2012-09-30","val":-4222,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":-4222,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":-283,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-01-01","end":"2012-12-31","val":-283,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":-283,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":4156,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2013-01-01","end":"2013-03-31","val":4156,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-3704,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-06-30","val":-3704,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-01-01","end":"2013-09-30","val":-5102,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":-5102,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-01-01","end":"2013-12-31","val":4089,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-12-31","val":4089,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":4089,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":4327,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2014-01-01","end":"2014-03-31","val":4327,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-6635,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":-6635,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-01-01","end":"2014-09-30","val":-11621,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":-11621,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-01-01","end":"2014-12-31","val":-10672,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":-10672,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":-10672,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":19391,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":19391,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":11280,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":11280,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-01-01","end":"2015-09-30","val":-505,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":-505,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":9675,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":9675,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":30193,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2016-01-01","end":"2016-03-31","val":30193,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":1092,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-06-30","val":1092,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":-7468,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-7468,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":-4775,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":26924,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":4819,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-09-30","val":3050,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"}]}},"IncreaseDecreaseInDueToRelatedPartiesCurrent":{"label":"Increase (Decrease) in Due to Related Parties, Current","description":"The increase (decrease) during the reporting period in the aggregate amount of obligations to be paid to the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entities' management; an entity and its principal owners, management, or member of their immediate families, affiliates, or other parties with the ability to exert significant influence.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":2535,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":-1722,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2010-01-01","end":"2010-09-30","val":-1855,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2010-01-01","end":"2010-12-31","val":-2171,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2010-01-01","end":"2010-12-31","val":-2171,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-468,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":849,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2011-01-01","end":"2011-06-30","val":849,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2011-01-01","end":"2011-09-30","val":-808,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2011-01-01","end":"2011-09-30","val":-808,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":-510,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":-510,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":-510,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-1786,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"start":"2012-01-01","end":"2012-03-31","val":-1786,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-2609,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-01-01","end":"2012-06-30","val":-2609,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-01-01","end":"2012-09-30","val":587,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":587,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":-272,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-01-01","end":"2012-12-31","val":-272,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":-272,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-4565,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2013-01-01","end":"2013-03-31","val":-4565,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-1425,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-06-30","val":-1425,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-01-01","end":"2013-09-30","val":-1496,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":-1496,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-01-01","end":"2013-12-31","val":-1115,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-12-31","val":-1115,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":-1115,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":8739,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2014-01-01","end":"2014-03-31","val":8739,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-61,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":-61,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-01-01","end":"2014-09-30","val":-827,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":-827,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-01-01","end":"2014-12-31","val":-1152,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":-1152,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":-1152,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":552,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":552,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":179,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":179,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-01-01","end":"2015-09-30","val":48,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":48,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":3201,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":3201,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":8912,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2016-01-01","end":"2016-03-31","val":8912,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":28,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-06-30","val":28,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":8912,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":8912,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":-8856,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":35536,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":17768,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-09-30","val":22400,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"}]}},"IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets":{"label":"Increase (Decrease) in Prepaid Expense and Other Assets","description":"Amount of increase (decrease) in prepaid expenses, and assets classified as other.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-200,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":0,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2010-01-01","end":"2010-09-30","val":0,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":12449,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":12720,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2011-01-01","end":"2011-06-30","val":12720,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2011-01-01","end":"2011-09-30","val":12720,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2011-01-01","end":"2011-09-30","val":12720,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":12796,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":12796,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":12796,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":2704,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"start":"2012-01-01","end":"2012-03-31","val":2704,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":7204,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-01-01","end":"2012-06-30","val":7204,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-01-01","end":"2012-09-30","val":2704,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":2704,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":5204,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-01-01","end":"2012-12-31","val":5204,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":5204,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-2797,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2013-01-01","end":"2013-03-31","val":-2797,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-2649,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-06-30","val":-2649,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-01-01","end":"2013-09-30","val":-2649,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":-2649,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-01-01","end":"2013-12-31","val":-5020,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-12-31","val":-5020,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":-5020,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-01-01","end":"2014-09-30","val":4358,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":4358,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-01-01","end":"2014-12-31","val":4358,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":4358,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":4358,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":1480,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":1480,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-17338,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":-17338,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-01-01","end":"2015-09-30","val":-17338,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":-17338,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":-10036,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":-10036,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":19211,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2016-01-01","end":"2016-03-31","val":19211,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":26878,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-06-30","val":26878,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":26878,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":26878,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":26878,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":0,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":767,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-09-30","val":767,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"}]}},"InterestAndOtherIncome":{"label":"Interest and Other Income","description":"The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business).","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-04-01","end":"2013-06-30","val":0,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-07-01","end":"2013-09-30","val":0,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":415,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":415,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-04-01","end":"2014-06-30","val":415,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-04-01","end":"2014-06-30","val":415,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":1600,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":1600,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-07-01","end":"2014-09-30","val":1185,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-07-01","end":"2014-09-30","val":1185,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":2508,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":2508,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":2508,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":2417,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":2417,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":2908,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":2908,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-04-01","end":"2015-06-30","val":491,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-04-01","end":"2015-06-30","val":491,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":2909,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":2909,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-07-01","end":"2015-09-30","val":0,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":2909,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":2909,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"}]}},"InterestIncomeOther":{"label":"Interest Income, Other","description":"Amount of interest income earned from interest bearing assets classified as other.","units":{"USD":[{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":0,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q3"},{"start":"2017-01-01","end":"2017-09-30","val":940,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2017-07-01","end":"2017-09-30","val":940,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3"}]}},"InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures":{"label":"Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures","description":"Amount of investment in equity method investee and investment in and advance to affiliate.","units":{"USD":[{"end":"2010-12-31","val":11617830,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2010Q4I"},{"end":"2011-06-30","val":11474059,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2011Q2I"}]}},"LegalFees":{"label":"Legal Fees","description":"The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":6228,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":4559,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":4559,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":5862,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-01-01","end":"2012-12-31","val":5862,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":5862,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":5544,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-12-31","val":5544,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":5544,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":4288,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":4288,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":4288,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":6412,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":6412,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":3556,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"}]}},"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":"2010-12-31","val":19772,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"end":"2010-12-31","val":19772,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"end":"2010-12-31","val":19772,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2010Q4I"},{"end":"2011-06-30","val":12970,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2011Q2I"},{"end":"2011-09-30","val":10394,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10","frame":"CY2011Q3I"},{"end":"2011-12-31","val":16901,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2011-12-31","val":16901,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2011-12-31","val":16901,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"end":"2011-12-31","val":16901,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":16901,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q4I"},{"end":"2012-03-31","val":13667,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2012Q1I"},{"end":"2012-06-30","val":10616,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10","frame":"CY2012Q2I"},{"end":"2012-09-30","val":13266,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":16346,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2012-12-31","val":16346,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2012-12-31","val":16346,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":16346,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":16346,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":15937,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"},{"end":"2013-06-30","val":11217,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2013Q2I"},{"end":"2013-09-30","val":9748,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":19320,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":19320,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"end":"2013-12-31","val":19320,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2013-12-31","val":19320,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2013-12-31","val":19320,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q4I"},{"end":"2014-03-31","val":32386,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2014Q1I"},{"end":"2014-06-30","val":12624,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2014Q2I"},{"end":"2014-09-30","val":6872,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2014Q3I"},{"end":"2014-12-31","val":7496,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"end":"2014-12-31","val":7496,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2014-12-31","val":7496,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"end":"2014-12-31","val":7496,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2014-12-31","val":7496,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q4I"},{"end":"2015-03-31","val":27439,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2015Q1I"},{"end":"2015-06-30","val":18955,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2015Q2I"},{"end":"2015-09-30","val":7039,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2015Q3I"},{"end":"2015-12-31","val":20372,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"end":"2015-12-31","val":20372,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2015-12-31","val":20372,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"end":"2015-12-31","val":20372,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":20372,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q4I"},{"end":"2016-03-31","val":59477,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1I"},{"end":"2016-06-30","val":21492,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2I"},{"end":"2016-09-30","val":21816,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":6741,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"end":"2016-12-31","val":6741,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"end":"2016-12-31","val":6741,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":6741,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":69201,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-06-30","val":29328,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":32191,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3I"}]}},"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":"2010-12-31","val":14709630,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"end":"2010-12-31","val":14709630,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"end":"2010-12-31","val":14709630,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2010Q4I"},{"end":"2011-06-30","val":14746497,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2011Q2I"},{"end":"2011-09-30","val":14840600,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10","frame":"CY2011Q3I"},{"end":"2011-12-31","val":15002398,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2011-12-31","val":15002398,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2011-12-31","val":15002398,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"end":"2011-12-31","val":15002398,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":15002398,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q4I"},{"end":"2012-03-31","val":14989235,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2012Q1I"},{"end":"2012-06-30","val":14978254,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10","frame":"CY2012Q2I"},{"end":"2012-09-30","val":15003689,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":15012286,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2012-12-31","val":15012286,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2012-12-31","val":15012286,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":15012286,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":15012286,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":15087454,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"},{"end":"2013-06-30","val":15042616,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2013Q2I"},{"end":"2013-09-30","val":13845488,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":13433675,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":13433675,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"end":"2013-12-31","val":13433675,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2013-12-31","val":13433675,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2013-12-31","val":13433675,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q4I"},{"end":"2014-03-31","val":13366822,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2014Q1I"},{"end":"2014-06-30","val":13246611,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2014Q2I"},{"end":"2014-09-30","val":13340904,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2014Q3I"},{"end":"2014-12-31","val":15609911,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"end":"2014-12-31","val":15609911,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2014-12-31","val":15609911,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"end":"2014-12-31","val":15609911,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2014-12-31","val":15609911,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q4I"},{"end":"2015-03-31","val":15612531,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2015Q1I"},{"end":"2015-06-30","val":7042500,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2015Q2I"},{"end":"2015-09-30","val":7031785,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2015Q3I"},{"end":"2015-12-31","val":7020514,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"end":"2015-12-31","val":7020514,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2015-12-31","val":7020514,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"end":"2015-12-31","val":7020514,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":7020514,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q4I"},{"end":"2016-03-31","val":6978149,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1I"},{"end":"2016-06-30","val":6923814,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2I"},{"end":"2016-09-30","val":6885574,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":6782089,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"end":"2016-12-31","val":6782089,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"end":"2016-12-31","val":6782089,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":6782089,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":6720122,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-06-30","val":6632442,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":8007122,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3I"}]}},"LimitedPartnersCapitalAccountDistributionAmount":{"label":"Limited Partners' Capital Account, Distribution Amount","description":"The total amount of distributions to limited partners.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":8540415,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":8540415,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2015-01-01","end":"2015-12-31","val":8540415,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-01-01","end":"2015-12-31","val":8540415,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":8540415,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"}]}},"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":"2009-01-01","end":"2009-12-31","val":-272286,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2011"}]}},"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":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":2336102,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":2336102,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-01-01","end":"2014-09-30","val":2336102,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":2336102,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-01-01","end":"2014-12-31","val":2336102,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":2336102,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":2336102,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":6170970,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":6170970,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":6170970,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":6170970,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-01-01","end":"2015-09-30","val":6170970,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":6170970,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":6170970,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":6170970,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"},{"start":"2017-01-01","end":"2017-09-30","val":4368289,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"}]}},"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":"2009-01-01","end":"2009-12-31","val":1261699,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":563852,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2010-01-01","end":"2010-09-30","val":890062,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2010-01-01","end":"2010-12-31","val":1215666,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2010-01-01","end":"2010-12-31","val":1215666,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":297745,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":426389,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2011-01-01","end":"2011-06-30","val":426389,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2011-01-01","end":"2011-09-30","val":487961,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2011-01-01","end":"2011-09-30","val":487961,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":714071,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":714071,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":714071,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":187440,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"start":"2012-01-01","end":"2012-03-31","val":187440,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":242030,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-01-01","end":"2012-06-30","val":242030,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-01-01","end":"2012-09-30","val":294149,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":294149,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":283394,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-01-01","end":"2012-12-31","val":283394,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":283394,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":31718,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2013-01-01","end":"2013-03-31","val":31718,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":117227,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-06-30","val":117227,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-01-01","end":"2013-09-30","val":109529,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":109529,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-01-01","end":"2013-12-31","val":209169,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-12-31","val":209169,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":209169,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":141255,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2014-01-01","end":"2014-03-31","val":141255,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":85009,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":85009,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-01-01","end":"2014-09-30","val":32928,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":32928,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-01-01","end":"2014-12-31","val":56729,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":56729,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":56729,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":30033,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":30033,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":60956,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":60956,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-01-01","end":"2015-09-30","val":74399,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":74399,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":85173,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":85173,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-20401,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2016-01-01","end":"2016-03-31","val":-20401,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-59655,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-06-30","val":-59655,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":-73606,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-73606,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":-180387,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-66276,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-196757,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-09-30","val":-285382,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"}]}},"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":"2009-01-01","end":"2009-12-31","val":626923,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":358585,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2010-04-01","end":"2010-06-30","val":174131,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2010Q2"},{"start":"2010-01-01","end":"2010-09-30","val":598908,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2010-07-01","end":"2010-09-30","val":240323,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10","frame":"CY2010Q3"},{"start":"2010-01-01","end":"2010-12-31","val":775586,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2010-01-01","end":"2010-12-31","val":775586,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2010-01-01","end":"2010-12-31","val":775586,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2010-01-01","end":"2010-12-31","val":775586,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":5559,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"start":"2011-01-01","end":"2011-03-31","val":5559,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":43669,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2011-01-01","end":"2011-06-30","val":43669,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2011-04-01","end":"2011-06-30","val":38110,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"start":"2011-04-01","end":"2011-06-30","val":38110,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2011-04-01","end":"2011-06-30","val":38110,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":140348,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2011-01-01","end":"2011-09-30","val":140348,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":96679,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"start":"2011-07-01","end":"2011-09-30","val":96679,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":96679,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":295639,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":295639,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"start":"2011-01-01","end":"2011-12-31","val":295639,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2011-01-01","end":"2011-12-31","val":295639,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":295639,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":295639,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2011"},{"start":"2011-10-01","end":"2011-12-31","val":155291,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q4"},{"start":"2012-01-01","end":"2012-03-31","val":-9929,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"start":"2012-01-01","end":"2012-03-31","val":-9929,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-01-01","end":"2012-03-31","val":-9929,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2012-01-01","end":"2012-03-31","val":-9929,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-17859,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-01-01","end":"2012-06-30","val":-17859,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-04-01","end":"2012-06-30","val":-7930,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2012-04-01","end":"2012-06-30","val":-7930,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-04-01","end":"2012-06-30","val":-7930,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-04-01","end":"2012-06-30","val":-7930,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":4926,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-01-01","end":"2012-09-30","val":4926,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":22785,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":22785,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-07-01","end":"2012-09-30","val":22785,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-07-01","end":"2012-09-30","val":22785,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":10443,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-01-01","end":"2012-12-31","val":10443,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2012-01-01","end":"2012-12-31","val":10443,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-01-01","end":"2012-12-31","val":10443,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2012-01-01","end":"2012-12-31","val":10443,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":10443,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2012-10-01","end":"2012-12-31","val":5517,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-10-01","end":"2012-12-31","val":5517,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4"},{"start":"2013-01-01","end":"2013-03-31","val":75577,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2013-01-01","end":"2013-03-31","val":75577,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-03-31","val":75577,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2013-01-01","end":"2013-03-31","val":75577,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":35459,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-06-30","val":35459,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-04-01","end":"2013-06-30","val":-40118,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-04-01","end":"2013-06-30","val":-40118,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-04-01","end":"2013-06-30","val":-40118,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-04-01","end":"2013-06-30","val":-40118,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":-1160200,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":-1160200,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-07-01","end":"2013-09-30","val":-1195659,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-07-01","end":"2013-09-30","val":-1195659,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-07-01","end":"2013-09-30","val":-1195659,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-07-01","end":"2013-09-30","val":-1195659,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":-1581585,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-12-31","val":-1581585,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2013-01-01","end":"2013-12-31","val":-1581585,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-01-01","end":"2013-12-31","val":-1581585,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-01-01","end":"2013-12-31","val":-1581585,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":-1581585,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":-421385,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-10-01","end":"2013-12-31","val":-421385,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q4"},{"start":"2014-01-01","end":"2014-03-31","val":-79919,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2014-01-01","end":"2014-03-31","val":-79919,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-03-31","val":-79919,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2014-01-01","end":"2014-03-31","val":-79919,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-180368,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":-180368,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-04-01","end":"2014-06-30","val":-100449,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-04-01","end":"2014-06-30","val":-100449,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-04-01","end":"2014-06-30","val":-100449,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-04-01","end":"2014-06-30","val":-100449,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":-80323,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":-80323,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-07-01","end":"2014-09-30","val":100045,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-07-01","end":"2014-09-30","val":100045,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-07-01","end":"2014-09-30","val":100045,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-07-01","end":"2014-09-30","val":100045,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":2188060,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":2188060,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2014-01-01","end":"2014-12-31","val":2188060,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-01-01","end":"2014-12-31","val":2188060,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-01-01","end":"2014-12-31","val":2188060,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":2188060,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2014-10-01","end":"2014-12-31","val":2268383,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-10-01","end":"2014-12-31","val":2268383,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q4"},{"start":"2015-01-01","end":"2015-03-31","val":-17323,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":-17323,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-03-31","val":-17323,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2015-01-01","end":"2015-03-31","val":-17323,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-38455,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":-38455,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-04-01","end":"2015-06-30","val":-21132,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-04-01","end":"2015-06-30","val":-21132,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-04-01","end":"2015-06-30","val":-21132,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-04-01","end":"2015-06-30","val":-21132,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-37254,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":-37254,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":1200,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-07-01","end":"2015-09-30","val":1200,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-07-01","end":"2015-09-30","val":1200,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":1200,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-61858,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":-61858,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2015-01-01","end":"2015-12-31","val":-61858,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-01-01","end":"2015-12-31","val":-61858,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":-61858,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":-24603,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-10-01","end":"2015-12-31","val":-24603,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":-81470,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2016-01-01","end":"2016-03-31","val":-81470,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2016-01-01","end":"2016-03-31","val":-81470,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-97820,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-06-30","val":-97820,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-04-01","end":"2016-06-30","val":-16350,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-04-01","end":"2016-06-30","val":-16350,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2016-04-01","end":"2016-06-30","val":-16350,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-136384,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":-136384,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":-38564,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":-38564,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2016-07-01","end":"2016-09-30","val":-38564,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-224794,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2016-01-01","end":"2016-12-31","val":-224794,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"start":"2016-01-01","end":"2016-12-31","val":-224794,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-12-31","val":-224794,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":-88410,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":-124427,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-172234,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-04-01","end":"2017-06-30","val":-47807,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":1199583,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2017-07-01","end":"2017-09-30","val":1371817,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3"}]}},"OperatingExpenses":{"label":"Operating Expenses","description":"Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":192145,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":1897023,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":1897023,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":213988,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":213988,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":277107,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2015"}]}},"OtherAssets":{"label":"Other Assets","description":"Amount of assets classified as other.","units":{"USD":[{"end":"2010-12-31","val":0,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"end":"2010-12-31","val":0,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"end":"2010-12-31","val":0,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2010Q4I"},{"end":"2011-06-30","val":12720,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2011Q2I"},{"end":"2011-09-30","val":12720,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10","frame":"CY2011Q3I"},{"end":"2011-12-31","val":12796,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2011-12-31","val":12796,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2011-12-31","val":12796,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"end":"2011-12-31","val":12796,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":12796,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q4I"},{"end":"2012-03-31","val":15500,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2012Q1I"},{"end":"2012-06-30","val":20000,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10","frame":"CY2012Q2I"},{"end":"2012-09-30","val":15500,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":18000,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2012-12-31","val":18000,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2012-12-31","val":18000,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":18000,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":18000,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":15203,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"},{"end":"2013-06-30","val":15351,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2013Q2I"},{"end":"2013-09-30","val":15351,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":12980,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":12980,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"end":"2013-12-31","val":12980,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2013-12-31","val":12980,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2013-12-31","val":12980,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2013Q4I"},{"end":"2014-03-31","val":12980,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2014Q1I"},{"end":"2014-06-30","val":12980,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2014Q2I"},{"end":"2014-09-30","val":17338,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2014Q3I"},{"end":"2014-12-31","val":17338,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"end":"2014-12-31","val":17338,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2014-12-31","val":17338,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"end":"2014-12-31","val":17338,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2014-12-31","val":17338,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014Q4I"},{"end":"2015-03-31","val":18818,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2015Q1I"},{"end":"2015-06-30","val":0,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2015Q2I"},{"end":"2015-09-30","val":0,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2015Q3I"},{"end":"2015-12-31","val":7302,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"end":"2015-12-31","val":7302,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2015-12-31","val":7302,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"end":"2015-12-31","val":7302,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":7302,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q4I"},{"end":"2016-03-31","val":26513,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1I"},{"end":"2016-06-30","val":34180,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2I"},{"end":"2016-09-30","val":34180,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":34180,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"end":"2016-12-31","val":34180,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"end":"2016-12-31","val":34180,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":34180,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":34180,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-06-30","val":34947,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":34947,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3I"}]}},"PartnersCapital":{"label":"Partners' Capital","description":"The amount of ownership interest of different classes of partners in limited partnership.","units":{"USD":[{"end":"2008-12-31","val":13559635,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2008Q4I"},{"end":"2009-12-31","val":13914272,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"end":"2009-12-31","val":13914272,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"end":"2009-12-31","val":13914272,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2009-12-31","val":13914272,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2009Q4I"},{"end":"2010-12-31","val":14689858,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11"},{"end":"2010-12-31","val":14689858,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10"},{"end":"2010-12-31","val":14689858,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2010-12-31","val":14689858,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2010-12-31","val":14689858,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"end":"2010-12-31","val":14689858,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2010-12-31","val":14689858,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2010-12-31","val":14689858,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2010Q4I"},{"end":"2011-06-30","val":14733527,"accn":"0001127245-11-000010","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-11","frame":"CY2011Q2I"},{"end":"2011-09-30","val":14830206,"accn":"0001127245-11-000017","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-10","frame":"CY2011Q3I"},{"end":"2011-12-31","val":14985497,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2011-12-31","val":14985497,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2011-12-31","val":14985497,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"end":"2011-12-31","val":14985497,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":14985497,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2011-12-31","val":14985497,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2011-12-31","val":14985497,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2011-12-31","val":14985497,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2011-12-31","val":14985497,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2011-12-31","val":14985497,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2011Q4I"},{"end":"2012-03-31","val":14975568,"accn":"0001127245-12-000016","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2012Q1I"},{"end":"2012-06-30","val":14967638,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10","frame":"CY2012Q2I"},{"end":"2012-09-30","val":14990423,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":14995940,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2012-12-31","val":14995940,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2012-12-31","val":14995940,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":14995940,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":14995940,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2012-12-31","val":14995940,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"end":"2012-12-31","val":14995940,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2012-12-31","val":14995940,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2012-12-31","val":14995940,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"end":"2012-12-31","val":14995940,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2012Q4I"},{"end":"2013-03-31","val":15071517,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"},{"end":"2013-06-30","val":15031399,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2013Q2I"},{"end":"2013-09-30","val":13835740,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":13414355,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":13414355,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"end":"2013-12-31","val":13414355,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2013-12-31","val":13414355,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2013-12-31","val":13414355,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"end":"2013-12-31","val":13414355,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2013-12-31","val":13414355,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"end":"2013-12-31","val":13414355,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2013-12-31","val":13414355,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"end":"2013-12-31","val":13414355,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2013Q4I"},{"end":"2014-03-31","val":13334436,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2014Q1I"},{"end":"2014-06-30","val":13233987,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2014Q2I"},{"end":"2014-09-30","val":13334032,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2014Q3I"},{"end":"2014-12-31","val":15602415,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"end":"2014-12-31","val":15602415,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2014-12-31","val":15602415,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"end":"2014-12-31","val":15602415,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2014-12-31","val":15602415,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"end":"2014-12-31","val":15602415,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2014-12-31","val":15602415,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"end":"2014-12-31","val":15602415,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2014-12-31","val":15602415,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014Q4I"},{"end":"2015-03-31","val":15585092,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2015Q1I"},{"end":"2015-06-30","val":7023545,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2015Q2I"},{"end":"2015-09-30","val":7024746,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2015Q3I"},{"end":"2015-12-31","val":7000142,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"end":"2015-12-31","val":7000142,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2015-12-31","val":7000142,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"end":"2015-12-31","val":7000142,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"end":"2015-12-31","val":7000142,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"end":"2015-12-31","val":7000142,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"end":"2015-12-31","val":7000142,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2015-12-31","val":7000142,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2015Q4I"},{"end":"2016-03-31","val":6918672,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1I"},{"end":"2016-06-30","val":6902322,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2I"},{"end":"2016-09-30","val":6863758,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":6775348,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"end":"2016-12-31","val":6775348,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"end":"2016-12-31","val":6775348,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2016-12-31","val":6775348,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":6650921,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-06-30","val":6603114,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10","frame":"CY2017Q2I"},{"end":"2017-09-30","val":7974931,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3I"}]}},"PartnersCapitalAccountDistributions":{"label":"Partners' Capital Account, Distributions","description":"Total distributions to each class of partners (i.e., general, limited and preferred partners).","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":272286,"accn":"0001127245-12-000010","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2009"}]}},"PaymentsOfCapitalDistribution":{"label":"Payments of Capital Distribution","description":"Cash outflow to owners or shareholders, excluding ordinary dividends. Includes special dividends.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-06-30","val":8540415,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":8540415,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-01-01","end":"2015-09-30","val":8540415,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":8540415,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":8540415,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":8540415,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"}]}},"PaymentsToAcquireEquityMethodInvestments":{"label":"Payments to Acquire Equity Method Investments","description":"The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":16490,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":16490,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-01-01","end":"2014-09-30","val":16490,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":16490,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-01-01","end":"2014-12-31","val":16490,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":16490,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":16490,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":3800,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":3800,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":3800,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":3800,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-01-01","end":"2015-09-30","val":3800,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":3800,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":3800,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":3800,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":111034,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":111034,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-09-30","val":454375,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"}]}},"PostageExpense":{"label":"Postage Expense","description":"Amount of expense associated with postage.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":9751,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":7627,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":7627,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":9124,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2012-01-01","end":"2012-12-31","val":9124,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":9124,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":4631,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-12-31","val":4631,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":4631,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":3279,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":3279,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":3279,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":9990,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":9990,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":4048,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"}]}},"ProceedsFromDivestitureOfInterestInJointVenture":{"label":"Proceeds from Divestiture of Interest in Joint Venture","description":"The cash inflow from the sale of an investment interest in a joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-06-30","val":0,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-01-01","end":"2013-09-30","val":0,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":2352592,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":2352592,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-01-01","end":"2014-09-30","val":2352592,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":2352592,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-01-01","end":"2014-12-31","val":2352592,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":2352592,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":2352592,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":6174770,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":6174770,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":6174770,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":6174770,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-01-01","end":"2015-09-30","val":6174770,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":6174770,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":6174770,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":6174770,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"}]}},"ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital":{"label":"Proceeds from Equity Method Investment, Distribution, Return of Capital","description":"Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities.","units":{"USD":[{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2017-01-01","end":"2017-09-30","val":4822664,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"}]}},"ProceedsFromIssuanceOfCommonLimitedPartnersUnits":{"label":"Proceeds from Issuance of Common Limited Partners Units","description":"The cash inflow from the issuance of common limited partners units during the period.","units":{"USD":[{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-12-000026","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-10"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-12-000030","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-13-000004","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-13-000006","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-13-000008","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-13-000010","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-14-000013","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-17-000011","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2001-03-28","end":"2003-03-28","val":37720487,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"}]}},"ProceedsFromSaleOfPropertyPlantAndEquipment":{"label":"Proceeds from Sale of Property, Plant, and Equipment","description":"The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.","units":{"USD":[{"end":"2017-07-27","val":4823000,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q2I"}]}},"SalesRevenueNet":{"label":"Revenue, Net (Deprecated 2018-01-31)","description":"Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":202588,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31","frame":"CY2012"},{"start":"2013-01-01","end":"2013-06-30","val":135541,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-04-01","end":"2013-06-30","val":-1562,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":199118,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2013-07-01","end":"2013-09-30","val":63577,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2013Q3"},{"start":"2013-01-01","end":"2013-12-31","val":315438,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2013-01-01","end":"2013-12-31","val":315438,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":12636,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":-50914,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-06-30","val":-50914,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-04-01","end":"2014-06-30","val":-63550,"accn":"0001127245-14-000021","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-04-01","end":"2014-06-30","val":-63550,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13","frame":"CY2014Q2"},{"start":"2014-01-01","end":"2014-09-30","val":92287,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-01-01","end":"2014-09-30","val":92287,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2014-07-01","end":"2014-09-30","val":143201,"accn":"0001127245-14-000036","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"start":"2014-07-01","end":"2014-09-30","val":143201,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2014Q3"},{"start":"2014-01-01","end":"2014-12-31","val":2402048,"accn":"0001127245-15-000010","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-31"},{"start":"2014-01-01","end":"2014-12-31","val":2402048,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":2402048,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":60947,"accn":"0001127245-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":60947,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":110194,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":110194,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-04-01","end":"2015-06-30","val":49247,"accn":"0001127245-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-04-01","end":"2015-06-30","val":49247,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":162942,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-01-01","end":"2015-09-30","val":162942,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-07-01","end":"2015-09-30","val":52747,"accn":"0001127245-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"start":"2015-07-01","end":"2015-09-30","val":52747,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":215249,"accn":"0001127245-16-000023","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":215249,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":40416,"accn":"0001127245-16-000025","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":88141,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-04-01","end":"2016-06-30","val":47726,"accn":"0001127245-16-000029","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":138045,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":138045,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":49904,"accn":"0001127245-16-000032","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":49904,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":141341,"accn":"0001127245-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2016"},{"start":"2017-01-01","end":"2017-09-30","val":1510588,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2017-07-01","end":"2017-09-30","val":1464246,"accn":"0001127245-17-000025","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14","frame":"CY2017Q3"}]}}}}}