Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]
Beginning Balance	$ 4,935,795
Other comprehensive loss before reclassifications	(11,635)
Amounts reclassified from accumulated other comprehensive loss	12,019
Ending Balance	4,813,757
Deferred net losses from terminated hedges	(700)	$ (500)
Net unrealized (loss) gain on derivative instruments
Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]
Beginning Balance	(57,415)
Other comprehensive loss before reclassifications	7,454
Amounts reclassified from accumulated other comprehensive loss	8,478
Ending Balance	(41,483)
Net unrealized gain on marketable securities
Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]
Beginning Balance	1,021
Other comprehensive loss before reclassifications	231
Amounts reclassified from accumulated other comprehensive loss	0
Ending Balance	1,252
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]
Beginning Balance	(67,247)
Ending Balance	(66,863)
Joint venture
Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]
Beginning Balance	6,349,006
Ending Balance	4,997,256
Joint venture | Net unrealized (loss) gain on derivative instruments
Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]
Beginning Balance	(10,853)
Other comprehensive loss before reclassifications	(19,320)
Amounts reclassified from accumulated other comprehensive loss	3,541
Ending Balance	$ (26,632)