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Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable.","units":{"USD":[{"end":"2012-12-31","val":0,"accn":"0001193125-14-073350","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2012Q4I"},{"end":"2014-12-31","val":120796000,"accn":"0001564590-16-014307","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-09","frame":"CY2014Q4I"},{"end":"2015-12-31","val":124445000,"accn":"0001564590-16-014307","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-09"},{"end":"2015-12-31","val":124445000,"accn":"0001564590-16-018722","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-10"},{"end":"2015-12-31","val":124445000,"accn":"0001564590-16-023686","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":124445000,"accn":"0001564590-16-028622","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09"},{"end":"2015-12-31","val":124445000,"accn":"0001564590-17-003988","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-10","frame":"CY2015Q4I"},{"end":"2016-03-31","val":125369000,"accn":"0001564590-16-018722","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-10","frame":"CY2016Q1I"},{"end":"2016-06-30","val":113064000,"accn":"0001564590-16-023686","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":113358000,"accn":"0001564590-16-028622","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-09","frame":"CY2016Q3I"},{"end":"2016-12-31","val":118259000,"accn":"0001564590-17-003988","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-10"},{"end":"2016-12-31","val":118259000,"accn":"0001564590-17-010241","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-10"},{"end":"2016-12-31","val":118259000,"accn":"0001564590-17-016947","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-09"},{"end":"2016-12-31","val":118259000,"accn":"0001564590-17-023250","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2016Q4I"},{"end":"2017-03-31","val":116620000,"accn":"0001564590-17-010241","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-10","frame":"CY2017Q1I"},{"end":"2017-06-30","val":117845000,"accn":"0001564590-17-016947","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-09","frame":"CY2017Q2I"},{"end":"2017-09-30","val":126214000,"accn":"0001564590-17-023250","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"}]}},"CashCollateralForBorrowedSecurities":{"label":"Cash 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mprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax":{"label":"Other 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