CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash Flows from Operating Activities:
Net income (loss)	$ 20,116	$ 32,888	$ (382,612)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization (including amortization of deferred financing costs)	469,423	457,574	526,306
Distributions of income from partially owned entities	142,880	172,873	184,501
Equity in net (income) loss of partially owned entities	(112,464)	(38,689)	461,351
Amortization of interest rate cap premiums	41,745	10,989	430
Stock-based compensation expense	30,172	43,201	29,249
Net gains on disposition of wholly owned and partially owned assets	(16,048)	(71,199)	(100,625)
Change in deferred tax liability	13,008	17,020	14,005
Straight-lining of rents	(5,086)	(8,808)	(46,177)
Amortization of below-market leases, net	(3,035)	(5,268)	(5,178)
Real estate impairment losses	0	45,007	19,098
Credit losses on investments	0	8,269	0
Net realized and unrealized (gain) loss on real estate fund investments	0	(1,861)	2,589
Return of capital from real estate fund investments	0	1,861	5,141
Other non-cash adjustments	13,995	9,874	3,532
Changes in operating assets and liabilities:
Tenant and other receivables	4,704	9,379	(4,437)
Prepaid assets	(8,346)	(12,854)	104,186
Other assets	(74,420)	(79,110)	(34,615)
Lease liabilities	16,900	17,582	15,658
Accounts payable and accrued expenses	(6,800)	10,723	5,718
Other liabilities	10,979	28,701	824
Net cash provided by operating activities	537,723	648,152	798,944
Cash Flows from Investing Activities:
Development costs and construction in progress	(242,874)	(552,701)	(737,999)
Additions to real estate	(222,739)	(211,899)	(159,796)
Investments in partially owned entities	(115,357)	(57,297)	(33,172)
Investment in loan receivable	(50,000)	0	0
Proceeds from sale of condominium units at 220 Central Park South	31,605	24,484	88,019
Proceeds from sales of real estate	2,000	123,519	373,264
Proceeds from maturities of U.S. Treasury bills	0	468,598	597,499
Proceeds from repayment of participation in 150 West 34th Street mortgage loan	0	105,000	0
Acquisitions of real estate and other	0	(33,145)	(3,000)
Distributions of capital from partially owned entities	0	18,869	34,417
Deconsolidation of cash and restricted cash held by a previously consolidated entity	0	(14,216)	0
Purchase of U.S. Treasury bills	0	0	(1,066,096)
Net cash used in investing activities	(597,365)	(128,788)	(906,864)
Cash Flows from Financing Activities:
Dividends paid on common shares	(141,103)	(129,066)	(406,562)
Repayments of borrowings	(97,439)	(148,000)	(1,251,373)
Proceeds from borrowings	75,000	0	1,029,773
Dividends paid on preferred shares	(62,112)	(62,116)	(62,116)
Distributions to noncontrolling interests	(18,156)	(38,970)	(84,699)
Deferred financing costs	(13,870)	(4,424)	(32,706)
Contributions from noncontrolling interests	5,300	132,701	5,609
Repurchase of common shares	0	(29,183)	0
Other financing activity, net	57	121	800
Net cash used in financing activities	(252,323)	(278,937)	(801,274)
Net (decrease) increase in cash and cash equivalents and restricted cash	(311,965)	240,427	(909,194)
Cash and cash equivalents and restricted cash at beginning of period	1,261,584	1,021,157	1,930,351
Cash and cash equivalents and restricted cash at end of period	949,619	1,261,584	1,021,157
Reconciliation of Cash and Cash Equivalents and Restricted Cash:
Cash and cash equivalents at beginning of period	997,002	889,689	1,760,225
Restricted cash at beginning of period	264,582	131,468	170,126
Cash and cash equivalents and restricted cash at beginning of period	1,261,584	1,021,157	1,930,351
Cash and cash equivalents at end of period	733,947	997,002	889,689
Restricted cash at end of period	215,672	264,582	131,468
Cash and cash equivalents and restricted cash at end of period	949,619	1,261,584	1,021,157
Supplemental Disclosure of Cash Flow Information:
Cash payments for interest (excluding capitalized interest) and interest rate cap premiums	322,774	381,410	252,371
Cash payments for income taxes	7,608	10,365	7,947
Non-Cash Information:
Redeemable Class A unit measurement adjustment	(226,586)	(138,114)	221,145
Write-off of fully depreciated assets	(122,548)	(82,343)	(278,561)
Accrued capital expenditures included in accounts payable and accrued expenses	39,784	52,091	104,750
Reclassification of assets held for sale (included in "other assets")	15,279	0	0
Change in fair value of consolidated interest rate hedges and other	947	(112,051)	190,494
Initial investment in Sunset Pier 94 Joint Venture upon contribution of leasehold interest	0	50,090	0
Decrease in assets and liabilities resulting from the deconsolidation of Pier 94:
Real estate	0	21,693	0
Right-of-use assets	0	7,081	0
Lease liabilities	0	(20,692)	0
Additional estimated lease liability arising from the recognition of right-of-use asset	0	0	350,000
Reclassification of condominium units from "development costs and construction in progress" to "other assets"	$ 0	$ 0	$ 32,604