Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ (184)
Other comprehensive income	184	$ 1,166	$ 2,202
Ending balance	0	(184)
Losses on cash flow hedges	$ 260,435	237,780	244,897
Interest Rate Contract | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance		$ (1,350)	(1,350)	$ (1,350)
Amount recognized in other comprehensive loss on derivatives, net of tax expense of $0 for all periods presented			0	0
Amounts reclassified from accumulated other comprehensive loss into income, net of tax expense of $0 for all periods presented			0	0
Other comprehensive income			0	0
Ending balance			(1,350)	(1,350)
Tax effect of change in fair value of derivatives			0	0
Interest Rate Contract | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Amounts reclassified from accumulated other comprehensive loss into income, net of tax expense of $0 for all periods presented			0	0
Interest Rate Contract | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges Amortization | Reclassification out of Accumulated Other Comprehensive Income
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Losses on cash flow hedges			0	0
Interest Rate Contract | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges, Net Settlements | Reclassification out of Accumulated Other Comprehensive Income
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Losses on cash flow hedges			0	0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax			$ 0	$ 0