220 Central Park South - Narrative (Details) $ in Thousands	12 Months Ended			39 Months Ended
	Dec. 31, 2021 USD ($) unit	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2021 USD ($) unit
Real Estate [Line Items]
Net gains on sale of real estate	$ 0	$ 0	$ 2,571,099
Income tax (benefit) expense	$ (10,496)	36,630	103,439
220 Central Park South
Real Estate [Line Items]
Number of units sold | unit	6			106
Cash proceeds from sale of real estate	$ 137,404			$ 3,006,896
Net gains on sale of real estate	50,318			$ 1,117,255
Income tax (benefit) expense	$ 5,711	$ 49,221	$ 101,828
Condominium units sold, percentage	95.00%			95.00%
Taxable Reit Subsidiaries
Real Estate [Line Items]
Income tax (benefit) expense	$ (27,910)