Derivative Instruments - Interest Rate Swap Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Derivative [Line Items]
Interest expense	$ 79,370	$ 87,713	$ 243,540	$ 258,541
Amount of Gain (Loss) Recognized in OCI on Derivative	(1,586)	(4,171)	57,283	(398,426)
Reclassified from AOCI | AOCI into Net Loss
Derivative [Line Items]
Interest expense	(37,074)	(37,557)	(112,973)	(74,166)
Interest rate swaps | Cash Flow Hedging
Derivative [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivative	$ (1,586)	$ (4,171)	$ 57,283	$ (398,426)
Designated as Hedging Instrument | London Interbank Offered Rate (LIBOR) | Interest Rate Swap 1
Derivative [Line Items]
Strike Rate	1.74%		1.74%
Derivative Asset, Notional Amount	$ 750,000		$ 750,000
Designated as Hedging Instrument | London Interbank Offered Rate (LIBOR) | Interest Rate Swap 2
Derivative [Line Items]
Strike Rate	2.86%		2.86%
Derivative Asset, Notional Amount	$ 400,000		$ 400,000
Designated as Hedging Instrument | London Interbank Offered Rate (LIBOR) | Interest Rate Swap 3
Derivative [Line Items]
Strike Rate	2.23%		2.23%
Derivative Asset, Notional Amount	$ 800,000		$ 800,000
Designated as Hedging Instrument | London Interbank Offered Rate (LIBOR) | Interest Rate Swap 4
Derivative [Line Items]
Strike Rate	2.85%		2.85%
Derivative Asset, Notional Amount	$ 400,000		$ 400,000
Designated as Hedging Instrument | London Interbank Offered Rate (LIBOR) | Interest Rate Swap 5
Derivative [Line Items]
Strike Rate	2.86%		2.86%
Derivative Asset, Notional Amount	$ 400,000		$ 400,000
Designated as Hedging Instrument | London Interbank Offered Rate (LIBOR) | Interest Rate Swap 6
Derivative [Line Items]
Strike Rate	2.99%		2.99%
Derivative Asset, Notional Amount	$ 325,000		$ 325,000
Designated as Hedging Instrument | London Interbank Offered Rate (LIBOR) | Interest Rate Swap 7
Derivative [Line Items]
Strike Rate	2.99%		2.99%
Derivative Asset, Notional Amount	$ 595,000		$ 595,000
Designated as Hedging Instrument | London Interbank Offered Rate (LIBOR) | Interest Rate Swap 8
Derivative [Line Items]
Strike Rate	2.90%		2.90%
Derivative Asset, Notional Amount	$ 1,100,000		$ 1,100,000
Designated as Hedging Instrument | London Interbank Offered Rate (LIBOR) | Interest Rate Swap 9
Derivative [Line Items]
Strike Rate	2.90%		2.90%
Derivative Asset, Notional Amount	$ 400,000		$ 400,000
Designated as Hedging Instrument | London Interbank Offered Rate (LIBOR) | Interest Rate Swap 10
Derivative [Line Items]
Strike Rate	3.14%		3.14%
Derivative Asset, Notional Amount	$ 400,000		$ 400,000
Designated as Hedging Instrument | London Interbank Offered Rate (LIBOR) | Interest Rate Swap 11
Derivative [Line Items]
Strike Rate	3.16%		3.16%
Derivative Asset, Notional Amount	$ 400,000		$ 400,000