Derivatives - Schedule of Effect of Derivative Instruments on the Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from Accumulated OCI into Net Loss (effective portion)		$ 0		$ 0
Total Amount of Interest Expense Presented in the Condensed Consolidated Statements of Operations	$ 21,135	20,142	$ 63,810	52,543
Interest rate caps | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivative (effective portion)	(1,463)		(12,554)
Amount of Gain (Loss) Recognized in OCI on Derivative (effective portion)		0		0
Total Amount of Interest Expense Presented in the Condensed Consolidated Statements of Operations	21,135	20,142	63,810	52,543
Interest rate caps | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) on Derivative Recognized in Net Loss	0	(400)	0	(591)
Interest rate caps | Interest expense | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from Accumulated OCI into Net Loss (effective portion)	$ (1,430)		$ (3,665)
Amount of Gain (Loss) Reclassified from Accumulated OCI into Net Loss (effective portion)		$ 0		$ 0