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drafts.","units":{"USD":[{"end":"2012-12-31","val":64573000,"accn":"0001047469-13-002668","fy":2012,"fp":"FY","form":"10-KT","filed":"2013-03-13"},{"end":"2012-12-31","val":64573000,"accn":"0001047469-13-011411","fy":2012,"fp":"FY","form":"10-KT/A","filed":"2013-12-27"},{"end":"2012-12-31","val":64573000,"accn":"0001047469-14-001771","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-04","frame":"CY2012Q4I"},{"end":"2013-12-31","val":52093000,"accn":"0001047469-14-001771","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-04"},{"end":"2013-12-31","val":52093000,"accn":"0001047469-15-002056","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-12","frame":"CY2013Q4I"},{"end":"2014-12-31","val":43692000,"accn":"0001047469-15-002056","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-12"},{"end":"2014-12-31","val":43692000,"accn":"0001047469-16-010988","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-10","frame":"CY2014Q4I"},{"end":"2015-12-31","val":42751000,"accn":"0001047469-16-010988","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-10","frame":"CY2015Q4I"}]}},"BuildingsAndImprovementsGross":{"label":"Buildings 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