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This item represents a periodic increase to the plan obligation and an increase to plan assets.","units":{"USD":[{"start":"2014-07-01","end":"2014-09-30","val":1124000,"accn":"0001564590-14-005196","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-06","frame":"CY2014Q3"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter":{"label":"Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years","description":"Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal 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year.","units":{"USD":[{"end":"2012-12-31","val":1073000,"accn":"0001193125-13-110106","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2012Q4I"},{"end":"2013-12-31","val":1362000,"accn":"0001193125-14-101682","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-17","frame":"CY2013Q4I"},{"end":"2014-12-31","val":1310000,"accn":"0001564590-15-001648","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanExpectedReturnOnPlanAssets":{"label":"Defined Benefit Plan, Expected Return (Loss) on Plan Assets","description":"Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit 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Includes, but is not limited to, overfunded (underfunded) 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