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Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits are not generally reported as cash and cash equivalents.","units":{"USD":[{"end":"2015-12-31","val":11471000,"accn":"0001628280-17-011464","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"end":"2015-12-31","val":11471000,"accn":"0001628280-18-003855","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-30","frame":"CY2015Q4I"},{"end":"2016-09-30","val":13797000,"accn":"0001628280-17-011464","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13","frame":"CY2016Q3I"},{"end":"2016-12-31","val":10857000,"accn":"0001628280-17-011464","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"end":"2016-12-31","val":10797000,"accn":"0001628280-18-003855","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-30"},{"end":"2016-12-31","val":10797000,"accn":"0001628280-18-006561","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2016-12-31","val":10797000,"accn":"0001628280-18-011243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-20"},{"end":"2016-12-31","val":10857000,"accn":"0001628280-18-014139","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-09","frame":"CY2016Q4I"},{"end":"2017-03-31","val":5174000,"accn":"0001628280-18-006561","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1I"},{"end":"2017-06-30","val":9505000,"accn":"0001628280-18-011243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-20","frame":"CY2017Q2I"},{"end":"2017-09-30","val":6970000,"accn":"0001628280-17-011464","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"end":"2017-09-30","val":6970000,"accn":"0001628280-18-014139","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":8502000,"accn":"0001628280-18-003855","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-30"},{"end":"2017-12-31","val":8502000,"accn":"0001628280-18-006561","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"end":"2017-12-31","val":8502000,"accn":"0001628280-18-011243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-20"},{"end":"2017-12-31","val":8502000,"accn":"0001628280-18-014139","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-09","frame":"CY2017Q4I"},{"end":"2018-03-31","val":8437000,"accn":"0001628280-18-006561","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":7665000,"accn":"0001628280-18-011243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-20","frame":"CY2018Q2I"},{"end":"2018-09-30","val":5789000,"accn":"0001628280-18-014139","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-09","frame":"CY2018Q3I"}]}},"CashAndCashEquivalentsPeriodIncreaseDecrease":{"label":"Cash and Cash Equivalents, Period Increase (Decrease)","description":"Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. 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-12"},{"start":"2014-01-01","end":"2014-09-30","val":-9431000,"accn":"0001564590-15-010808","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2014-01-01","end":"2014-12-31","val":-9595000,"accn":"0001193125-15-107987","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-27"},{"start":"2014-01-01","end":"2014-12-31","val":-9595000,"accn":"0001564590-16-015141","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-22","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-1248000,"accn":"0001193125-15-182037","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-11"},{"start":"2015-01-01","end":"2015-03-31","val":-1248000,"accn":"0001564590-16-019551","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":-1741000,"accn":"0001193125-15-290106","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":-1741000,"accn":"0001564590-16-023678","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2015-01-01","end":"2015-09-30","val":-3147000,"accn":"0001564590-15-010808","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-16"},{"start":"2015-01-01","end":"2015-09-30","val":-3147000,"accn":"0001564590-16-029256","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":146000,"accn":"0001564590-16-015141","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-22"},{"start":"2015-01-01","end":"2015-12-31","val":146000,"accn":"0001564590-17-005328","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-27","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":15478000,"accn":"0001564590-16-019551","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2016-01-01","end":"2016-03-31","val":15478000,"accn":"0001628280-17-005413","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-11","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":8846000,"accn":"0001564590-16-023678","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"start":"2016-01-01","end":"2016-06-30","val":8846000,"accn":"0001628280-17-008515","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2016-01-01","end":"2016-09-30","val":2326000,"accn":"0001564590-16-029256","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":2326000,"accn":"0001628280-17-011464","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"start":"2016-01-01","end":"2016-12-31","val":-293000,"accn":"0001564590-17-005328","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-27"},{"start":"2016-01-01","end":"2016-12-31","val":-293000,"accn":"0001628280-18-003855","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-30","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-5948000,"accn":"0001628280-17-005413","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-11"},{"start":"2017-01-01","end":"2017-03-31","val":-5948000,"accn":"0001628280-18-006561","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-1673000,"accn":"0001628280-17-008515","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"start":"2017-01-01","end":"2017-06-30","val":-1673000,"accn":"0001628280-18-011243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-20"},{"start":"2017-01-01","end":"2017-09-30","val":-4208000,"accn":"0001628280-17-011464","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"start":"2017-01-01","end":"2017-09-30","val":-4208000,"accn":"0001628280-18-014139","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-09"},{"start":"2017-01-01","end":"2017-12-31","val":-2676000,"accn":"0001628280-18-003855","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-30","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-65000,"accn":"0001628280-18-006561","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-837000,"accn":"0001628280-18-011243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-20"},{"start":"2018-01-01","end":"2018-09-30","val":-2713000,"accn":"0001628280-18-014139","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-09"}]}},"CashFlowHedgeLossReclassifiedToEarnings":{"label":"Cash 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Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2016-01-01","end":"2016-09-30","val":-11687000,"accn":"0001628280-17-011464","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"start":"2016-01-01","end":"2016-12-31","val":-17183000,"accn":"0001628280-18-003855","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-30","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-1069000,"accn":"0001628280-18-006561","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-1623000,"accn":"0001628280-18-011243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-20"},{"start":"2017-01-01","end":"2017-09-30","val":-2313000,"accn":"0001628280-17-011464","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"start":"2017-01-01","end":"2017-09-30","val":-2313000,"accn":"0001628280-18-014139","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-09"},{"start":"2017-01-01","end":"2017-12-31","val":-2398000,"accn":"0001628280-18-003855","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-30","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0001628280-18-006561","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0001628280-18-011243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-20"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001628280-18-014139","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-09"}]}},"ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1":{"label":"Class of Warrant or Right, Exercise Price of Warrants or Rights","description":"Exercise price per share or per unit of warrants or rights outstanding.","units":{"USD/shares":[{"end":"2017-04-20","val":5,"accn":"0001628280-17-008515","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-10"},{"end":"2017-04-20","val":5,"accn":"0001628280-17-011464","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13","frame":"CY2017Q1I"}]}},"ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights":{"label":"Class of Warrant or Right, Number of Securities Called by Warrants or Rights","description":"Number of securities into which the class of warrant or right may be converted. 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This item includes treasury stock repurchased by the entity. 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interest.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-10733000,"accn":"0001193125-12-117350","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":20365000,"accn":"0001193125-13-112519","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-18","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":20365000,"accn":"0001193125-12-117350","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2010-01-01","end":"2010-12-31","val":20365000,"accn":"0001193125-11-304561","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-09"},{"start":"2010-01-01","end":"2010-12-31","val":20365000,"accn":"0000950123-11-075114","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-09"},{"start":"2011-01-01","end":"2011-06-30","val":9769000,"accn":"0000950123-11-075114","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-09"},{"start":"2011-01-01","end":"2011-09-30","val":14391000,"accn":"0001193125-11-304561","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":18625000,"accn":"0001193125-13-112519","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-18","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":18625000,"accn":"0001193125-12-117350","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2012-01-01","end":"2012-12-31","val":19700000,"accn":"0001193125-13-112519","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-18","frame":"CY2012"}]}},"PropertyPlantAndEquipmentAdditions":{"label":"Property, 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