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recognized.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":3298000,"accn":"0000931948-16-000076","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-22"},{"start":"2015-01-01","end":"2015-12-31","val":3298000,"accn":"0000931948-17-000012","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-16","frame":"CY2015"}]}},"AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition":{"label":"APIC, Share-based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition","description":"Amount of increase to additional paid-in capital (APIC) for recognition of cost for restricted stock unit under share-based payment 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Assets, Noncurrent","description":"Amount of noncurrent assets classified as 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Alternate caption for the concept is permanent 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