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Excludes capital lease 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Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.","units":{"USD":[{"end":"2014-12-31","val":296908000,"accn":"0001558370-16-003884","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-08","frame":"CY2014Q4I"},{"end":"2015-12-31","val":291306000,"accn":"0001558370-16-003884","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-08"},{"end":"2015-12-31","val":291306000,"accn":"0001558370-17-001726","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2015Q4I"},{"end":"2016-12-31","val":293765000,"accn":"0001558370-17-001726","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-14","frame":"CY2016Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive":{"label":"Long-Term Debt, Maturity, after Year Five","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-06-30","val":287250000,"accn":"0001104659-12-056106","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-09","frame":"CY2012Q2I"},{"end":"2012-09-30","val":287250000,"accn":"0001104659-12-075549","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2013-06-30","val":287138000,"accn":"0001104659-13-059526","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-05","frame":"CY2013Q2I"},{"end":"2013-09-30","val":287138000,"accn":"0001104659-13-083138","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":284138000,"accn":"0001047469-14-002259","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":284138000,"accn":"0001104659-14-035385","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-07","frame":"CY2014Q1I"},{"end":"2014-06-30","val":284138000,"accn":"0001104659-14-056175","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-04","frame":"CY2014Q2I"},{"end":"2014-09-30","val":284138000,"accn":"0001104659-14-078539","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"},{"end":"2017-06-30","val":259500000,"accn":"0001558370-17-006188","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-08","frame":"CY2017Q2I"},{"end":"2017-09-30","val":259500000,"accn":"0001558370-17-008471","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-08","frame":"CY2017Q3I"},{"end":"2017-12-31","val":178250000,"accn":"0001558370-18-001948","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-13","frame":"CY2017Q4I"},{"end":"2018-03-31","val":176249000,"accn":"0001558370-18-004556","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths":{"label":"Long-Term Debt, Maturity, Year One","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. 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