Consolidated Statements of Cash Flows (LP) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash Flows from Operating Activities:
Net income (loss)	$ 32,888	$ (382,612)	$ 207,553
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization (including amortization of deferred financing costs)	457,574	526,306	432,594
Distributions of income from partially owned entities	172,873	184,501	214,521
Net gains on disposition of wholly owned and partially owned assets	(71,199)	(100,625)	(50,770)
Real estate impairment losses	45,007	19,098	7,880
Stock-based compensation expense	43,201	29,249	38,329
Equity in net (income) loss of partially owned entities	(38,689)	461,351	(130,517)
Change in deferred tax liability	17,020	14,005	11,243
Amortization of interest rate cap premiums	10,989	430	11
Straight-lining of rents	(8,808)	(46,177)	8,644
Credit losses on investments	8,269	0	0
Amortization of below-market leases, net	(5,268)	(5,178)	(9,249)
Net realized and unrealized (gain) loss on real estate fund investments	(1,861)	2,589	(4,621)
Return of capital from real estate fund investments	1,861	5,141	5,104
Write-off of lease receivables deemed uncollectible	1,008	872	7,695
Defeasance cost in connection with refinancing of mortgage payable	0	0	23,729
Other non-cash adjustments	8,866	2,660	(3,886)
Changes in operating assets and liabilities:
Real estate fund investments	0	0	(4,474)
Tenant and other receivables	9,379	(4,437)	(187)
Prepaid assets	(12,854)	104,186	30,466
Other assets	(79,110)	(34,615)	(54,716)
Lease liabilities	17,582	15,658	(4,091)
Accounts payable and accrued expenses	10,723	5,718	35,856
Other liabilities	28,701	824	692
Net cash provided by operating activities	648,152	798,944	761,806
Cash Flows from Investing Activities:
Development costs and construction in progress	(552,701)	(737,999)	(585,940)
Proceeds from maturities of U.S. Treasury bills	468,598	597,499	0
Additions to real estate	(211,899)	(159,796)	(149,461)
Proceeds from sales of real estate	123,519	373,264	100,024
Proceeds from repayment of participation in 150 West 34th Street mortgage loan	105,000	0	0
Investments in partially owned entities	(57,297)	(33,172)	(14,997)
Acquisitions of real estate and other	(33,145)	(3,000)	(3,000)
Proceeds from sale of condominium units at 220 Central Park South	24,484	88,019	137,404
Distributions of capital from partially owned entities	18,869	34,417	106,005
Deconsolidation of cash and restricted cash held by a previously consolidated entity	(14,216)	0	0
Purchase of U.S. Treasury bills	0	(1,066,096)	0
Acquisition of additional 45.0% ownership interest in One Park Avenue (inclusive of $5,806 of prorations and net working capital and net of $39,370 of cash and restricted cash balances consolidated upon acquisition)	0	0	(123,936)
Proceeds from repayments of loans receivable	0	0	1,554
Net cash used in investing activities	(128,788)	(906,864)	(532,347)
Cash Flows from Financing Activities:
Repayments of borrowings	(148,000)	(1,251,373)	(1,584,243)
Contributions from noncontrolling interests	132,701	5,609	4,052
Distributions to Vornado	(129,066)	(406,562)	(406,109)
Distributions to preferred unitholders	(62,116)	(62,116)	(65,880)
Distributions to redeemable security holders and noncontrolling interests in consolidated subsidiaries	(38,970)	(84,699)	(190,876)
Repurchase of Class A units owned by Vornado	(29,183)	0	0
Deferred financing costs	(4,424)	(32,706)	(51,184)
Repurchase of Class A units related to stock compensation agreements and related tax withholdings and other	(25)	(85)	(1,567)
Proceeds from borrowings	0	1,029,773	3,248,007
Purchase of marketable securities in connection with defeasance of mortgage payable	0	0	(973,729)
Redemption of preferred shares	0	0	(300,000)
Proceeds from the issuance of preferred shares	0	0	291,153
Net cash used in financing activities	(278,937)	(801,274)	(29,477)
Net increase (decrease) in cash and cash equivalents and restricted cash	240,427	(909,194)	199,982
Cash and cash equivalents and restricted cash at beginning of period	1,021,157	1,930,351	1,730,369
Cash and cash equivalents and restricted cash at end of period	1,261,584	1,021,157	1,930,351
Reconciliation of Cash and Cash Equivalents and Restricted Cash:
Cash and cash equivalents at beginning of period	889,689	1,760,225	1,624,482
Restricted cash at beginning of period	131,468	170,126	105,887
Cash and cash equivalents and restricted cash at beginning of period	1,021,157	1,930,351	1,730,369
Cash and cash equivalents at end of period	997,002	889,689	1,760,225
Restricted cash at end of period	264,582	131,468	170,126
Cash and cash equivalents and restricted cash at end of period	1,261,584	1,021,157	1,930,351
Supplemental Disclosure of Cash Flow Information:
Cash payments for interest (excluding capitalized interest) and interest rate cap premiums	381,410	252,371	188,587
Cash payments for income taxes	10,365	7,947	9,155
Non-Cash Information:
Redeemable Class A unit measurement adjustment	(138,114)	221,145	(76,073)
Change in fair value of consolidated interest rate hedges and other	(112,051)	190,494	51,337
Write-off of fully depreciated assets	(82,343)	(278,561)	(123,537)
Accrued capital expenditures included in accounts payable and accrued expenses	52,091	104,750	291,690
Initial investment in Pier 94 joint venture upon contribution of leasehold interest	50,090	0	0
Decrease in assets and liabilities resulting from the deconsolidation of Pier 94:
Real estate	21,693	0	0
Right-of-use assets	7,081	0	0
Lease liabilities	(20,692)	0	0
Additional estimated lease liability arising from the recognition of right-of-use asset	0	350,000	0
Reclassification of condominium units from "development costs and construction in progress" to "220 Central Park South condominium units ready for sale"	0	32,604	16,014
Reclassification of assets held for sale (included in "other assets")	0	0	80,005
Increase in assets and liabilities resulting from the consolidation of One Park Avenue:
Marketable securities transferred in connection with the defeasance of mortgage payable	0	0	(973,729)
Defeasance of mortgage payable	0	0	950,000
One Park Avenue
Increase in assets and liabilities resulting from the consolidation of One Park Avenue:
Real estate	0	0	566,013
Identified intangible assets	0	0	139,545
Mortgages payable	0	0	525,000
Deferred revenue	0	0	18,884
Vornado Realty L.P.
Cash Flows from Operating Activities:
Net income (loss)	32,888	(382,612)	207,553
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization (including amortization of deferred financing costs)	457,574	526,306	432,594
Distributions of income from partially owned entities	172,873	184,501	214,521
Net gains on disposition of wholly owned and partially owned assets	(71,199)	(100,625)	(50,770)
Real estate impairment losses	45,007	19,098	7,880
Stock-based compensation expense	43,201	29,249	38,329
Equity in net (income) loss of partially owned entities	(38,689)	461,351	(130,517)
Change in deferred tax liability	17,020	14,005	11,243
Amortization of interest rate cap premiums	10,989	430	11
Straight-lining of rents	(8,808)	(46,177)	8,644
Credit losses on investments	8,269	0	0
Amortization of below-market leases, net	(5,268)	(5,178)	(9,249)
Net realized and unrealized (gain) loss on real estate fund investments	(1,861)	2,589	(4,621)
Return of capital from real estate fund investments	1,861	5,141	5,104
Write-off of lease receivables deemed uncollectible	1,008	872	7,695
Defeasance cost in connection with refinancing of mortgage payable	0	0	23,729
Other non-cash adjustments	8,866	2,660	(3,886)
Changes in operating assets and liabilities:
Real estate fund investments	0	0	(4,474)
Tenant and other receivables	9,379	(4,437)	(187)
Prepaid assets	(12,854)	104,186	30,466
Other assets	(79,110)	(34,615)	(54,716)
Lease liabilities	17,582	15,658	(4,091)
Accounts payable and accrued expenses	10,723	5,718	35,856
Other liabilities	28,701	824	692
Net cash provided by operating activities	648,152	798,944	761,806
Cash Flows from Investing Activities:
Development costs and construction in progress	(552,701)	(737,999)	(585,940)
Proceeds from maturities of U.S. Treasury bills	468,598	597,499	0
Additions to real estate	(211,899)	(159,796)	(149,461)
Proceeds from sales of real estate	123,519	373,264	100,024
Proceeds from repayment of participation in 150 West 34th Street mortgage loan	105,000	0	0
Investments in partially owned entities	(57,297)	(33,172)	(14,997)
Acquisitions of real estate and other	(33,145)	(3,000)	(3,000)
Proceeds from sale of condominium units at 220 Central Park South	24,484	88,019	137,404
Distributions of capital from partially owned entities	18,869	34,417	106,005
Deconsolidation of cash and restricted cash held by a previously consolidated entity	(14,216)	0	0
Purchase of U.S. Treasury bills	0	(1,066,096)	0
Acquisition of additional 45.0% ownership interest in One Park Avenue (inclusive of $5,806 of prorations and net working capital and net of $39,370 of cash and restricted cash balances consolidated upon acquisition)	0	0	(123,936)
Proceeds from repayments of loans receivable	0	0	1,554
Net cash used in investing activities	(128,788)	(906,864)	(532,347)
Cash Flows from Financing Activities:
Repayments of borrowings	(148,000)	(1,251,373)	(1,584,243)
Contributions from noncontrolling interests	132,701	5,609	4,052
Distributions to Vornado	(129,066)	(406,562)	(406,109)
Distributions to preferred unitholders	(62,116)	(62,116)	(65,880)
Distributions to redeemable security holders and noncontrolling interests in consolidated subsidiaries	(38,970)	(84,699)	(190,876)
Repurchase of Class A units owned by Vornado	(29,183)	0	0
Deferred financing costs	(4,424)	(32,706)	(51,184)
Proceeds received from exercise of employee share options and other	146	885	899
Repurchase of Class A units related to stock compensation agreements and related tax withholdings and other	(25)	(85)	(1,567)
Proceeds from borrowings	0	1,029,773	3,248,007
Purchase of marketable securities in connection with defeasance of mortgage payable	0	0	(973,729)
Redemption of preferred shares	0	0	(300,000)
Proceeds from the issuance of preferred shares	0	0	291,153
Net cash used in financing activities	(278,937)	(801,274)	(29,477)
Net increase (decrease) in cash and cash equivalents and restricted cash	240,427	(909,194)	199,982
Cash and cash equivalents and restricted cash at beginning of period	1,021,157	1,930,351	1,730,369
Cash and cash equivalents and restricted cash at end of period	1,261,584	1,021,157	1,930,351
Reconciliation of Cash and Cash Equivalents and Restricted Cash:
Cash and cash equivalents at beginning of period	889,689	1,760,225	1,624,482
Restricted cash at beginning of period	131,468	170,126	105,887
Cash and cash equivalents and restricted cash at beginning of period	1,021,157	1,930,351	1,730,369
Cash and cash equivalents at end of period	997,002	889,689	1,760,225
Restricted cash at end of period	264,582	131,468	170,126
Cash and cash equivalents and restricted cash at end of period	1,261,584	1,021,157	1,930,351
Supplemental Disclosure of Cash Flow Information:
Cash payments for interest (excluding capitalized interest) and interest rate cap premiums	381,410	252,371	188,587
Cash payments for income taxes	10,365	7,947	9,155
Non-Cash Information:
Redeemable Class A unit measurement adjustment	(138,114)	221,145	(76,073)
Change in fair value of consolidated interest rate hedges and other	(112,051)	190,494	51,337
Write-off of fully depreciated assets	(82,343)	(278,561)	(123,537)
Accrued capital expenditures included in accounts payable and accrued expenses	52,091	104,750	291,690
Initial investment in Pier 94 joint venture upon contribution of leasehold interest	50,090	0	0
Decrease in assets and liabilities resulting from the deconsolidation of Pier 94:
Real estate	21,693	0	0
Right-of-use assets	7,081	0	0
Lease liabilities	(20,692)	0	0
Additional estimated lease liability arising from the recognition of right-of-use asset	0	350,000	0
Reclassification of condominium units from "development costs and construction in progress" to "220 Central Park South condominium units ready for sale"	0	32,604	16,014
Reclassification of assets held for sale (included in "other assets")	0	0	80,005
Increase in assets and liabilities resulting from the consolidation of One Park Avenue:
Marketable securities transferred in connection with the defeasance of mortgage payable	0	0	(973,729)
Defeasance of mortgage payable	0	0	950,000
Vornado Realty L.P. | One Park Avenue
Increase in assets and liabilities resulting from the consolidation of One Park Avenue:
Real estate	0	0	566,013
Identified intangible assets	0	0	139,545
Mortgages payable	0	0	525,000
Deferred revenue	$ 0	$ 0	$ 18,884