Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]
Beginning Balance	$ 4,935,795
Other comprehensive income before reclassifications	42,548
Amounts reclassified from accumulated other comprehensive loss	5,802
Ending Balance	4,935,620
Deferred net losses from terminated hedges	(600)	$ (500)
Net unrealized (loss) gain on derivative instruments
Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]
Beginning Balance	(57,415)
Other comprehensive income before reclassifications	9,771
Amounts reclassified from accumulated other comprehensive loss	4,196
Ending Balance	(43,448)
Net unrealized gain (loss) on marketable securities
Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]
Beginning Balance	1,021
Other comprehensive income before reclassifications	(247)
Amounts reclassified from accumulated other comprehensive loss	0
Ending Balance	774
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]
Beginning Balance	(67,247)
Ending Balance	(18,897)
Joint venture
Accumulated Other Comprehensive Income (Loss) of the Company [Roll Forward]
Beginning Balance	6,349,006
Ending Balance	5,838,595
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 income before reclassifications	33,024
Amounts reclassified from accumulated other comprehensive loss	1,606
Ending Balance	$ 23,777