Interest Rate Contracts - Impact of Interest Rate Swaps (Details) - Cash Flow Hedging - Interest Rate Swap - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Amount of (loss) gain recognized in AOCI on derivatives	$ (19,944)	$ (3,483)
Amount of (gain) loss reclassified from AOCI into earnings under “Interest expense”	(2,359)	(1,818)
Total interest expense presented in the consolidated statement of operations in which the effects of cash flow hedges are recorded	$ 73,557	$ 55,194