Derivative Financial Instruments - Amounts in the Condensed Consolidated Statement of Operations, Including Impacts to Accumulated Other Comprehensive Income (AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivative	$ 6,087	$ (204)	$ 2,103	$ (637)
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	5,724	286	6,217	959
Interest rate contracts
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivative	5	(204)	(3,633)	(637)
Interest rate contracts | Interest expense
Derivative [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	102	286	102	959
Foreign exchange contracts | Foreign currency exchange gain, net
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivative	6,082	0	5,736	0
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	5,512	0	6,005	0
Foreign exchange contracts | Interest expense
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivative	0	0	0	0
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	$ 110	$ 0	$ 110	$ 0