Corporate Indebtedness - Schedule of Consolidated Interest Expense, Excluding Capitalized Interest (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Interest expense
Interest expense before capitalized interest	$ 42,595	$ 63,607	$ 144,345	$ 185,163
Interest on financing leases	2,198	813	6,010	2,425
Interest capitalized	(20,677)	(15,700)	(57,528)	(38,228)
Interest income	(580)	(608)	(1,727)	(3,563)
Interest expense, net	$ 23,536	$ 48,112	$ 91,100	$ 145,797