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		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivative	$ (1)	$ (104)	$ (3,985)	$ (434)
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	(1,762)	308	(492)	674
Interest expense
Derivative [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	(2)	308	0	674
Foreign currency exchange (loss) gain, net
Derivative [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	(1,760)	0	(492)	0
Interest rate contracts
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivative	(2,230)	(104)	(3,638)	(434)
Foreign exchange contracts
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivative	$ 2,229	$ 0	$ (347)	$ 0