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Investments in Unconsolidated Joint Ventures - Schedule of Mortgage Notes and Other Loans Payable Collateralized by the Respective Joint Venture Properties and Assignment of Leases (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | $ 1,587,474 | $ 1,587,474 | $ 1,387,386 |
Total floating rate debt |  | 363,550 | 363,550 | 110,000 |
Equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate |  |  | 208,144 | (13,368) | $ (131)
115 Spring Street | Private Investors |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate |  |  | 11,700 |  |
5 Times Square |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Impairment charge |  | 146,400 |  |  |
2 Herald Square | Israeli Institutional Investor |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate | $ 20,400 |  |  |  |
100 Park Avenue |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total floating rate debt |  | 360,000 | 360,000 | 0 |
Due from joint ventures |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | 11,551,101 | 11,551,101 | 12,000,559 |
Total floating rate debt |  | 780,889 | 780,889 | 2,902,780 |
Total joint venture mortgages and other loans payable |  | 12,331,990 | 12,331,990 | 14,903,339 |
Deferred financing costs, net |  | (97,729) | (97,729) | (104,062) |
Total joint venture mortgages and other loans payable, net |  | 12,234,261 | 12,234,261 | 14,799,277 |
Due from joint ventures | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | 5,728,933 | 5,728,933 | 6,053,808 |
Total floating rate debt |  | 298,929 | 298,929 | 1,298,467 |
Total joint venture mortgages and other loans payable |  | 6,027,862 | 6,027,862 | 7,352,275 |
Deferred financing costs, net |  | (49,058) | (49,058) | (54,865) |
Total joint venture mortgages and other loans payable, net |  | $ 5,978,804 | $ 5,978,804 | 7,297,410 |
Due from joint ventures | 650 Fifth Avenue | Wharton Properties |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 50.00% | 50.00% |  |
Interest rate, floating rate debt (as a percent) |  | 2.25% | 2.25% |  |
Total floating rate debt |  | $ 210,000 | $ 210,000 | 210,000 |
Due from joint ventures | 650 Fifth Avenue | Wharton Properties | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total floating rate debt |  | $ 105,000 | $ 105,000 | 105,000 |
Due from joint ventures | 115 Spring Street | Private Investors |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 51.00% | 51.00% |  |
Interest rate, fixed rate debt (as a percent) |  | 5.50% | 5.50% |  |
Total fixed rate debt |  | $ 65,550 | $ 65,550 | 65,550 |
Due from joint ventures | 115 Spring Street | Private Investors | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | $ 33,431 | $ 33,431 | 33,431 |
Due from joint ventures | 450 Park Avenue | Korean Institutional Investor / Israeli Institutional Investor |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 25.10% | 25.10% |  |
Interest rate, fixed rate debt (as a percent) |  | 6.10% | 6.10% |  |
Total fixed rate debt |  | $ 284,835 | $ 284,835 | 271,394 |
Due from joint ventures | 450 Park Avenue | Korean Institutional Investor / Israeli Institutional Investor | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | $ 71,494 | $ 71,494 | 68,120 |
Due from joint ventures | 11 Madison Avenue | PGIM Real Estate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 60.00% | 60.00% |  |
Interest rate, fixed rate debt (as a percent) |  | 3.84% | 3.84% |  |
Total fixed rate debt |  | $ 1,400,000 | $ 1,400,000 | 1,400,000 |
Due from joint ventures | 11 Madison Avenue | PGIM Real Estate | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | $ 840,000 | $ 840,000 | 840,000 |
Due from joint ventures | 15 Beekman | A fund managed by Meritz Alternative Investment Management |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 20.00% | 20.00% |  |
Interest rate, fixed rate debt (as a percent) |  | 5.99% | 5.99% |  |
Total fixed rate debt |  | $ 120,000 | $ 120,000 | 0 |
Total floating rate debt |  | 0 | 0 | 124,137 |
Due from joint ventures | 15 Beekman | A fund managed by Meritz Alternative Investment Management | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | 24,000 | 24,000 | 0 |
Total floating rate debt |  | $ 0 | $ 0 | 24,827 |
Due from joint ventures | 800 Third Avenue | Private Investors |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 60.52% | 60.52% |  |
Interest rate, fixed rate debt (as a percent) |  | 3.37% | 3.37% |  |
Total fixed rate debt |  | $ 177,000 | $ 177,000 | 177,000 |
Due from joint ventures | 800 Third Avenue | Private Investors | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | $ 107,120 | $ 107,120 | 107,120 |
Due from joint ventures | 1515 Broadway | Allianz Real Estate of America |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 56.87% | 56.87% |  |
Due from joint ventures | 919 Third Avenue | New York State Teacher's Retirement System |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 51.00% | 51.00% |  |
Interest rate, fixed rate debt (as a percent) |  | 6.11% | 6.11% |  |
Total fixed rate debt |  | $ 500,000 | $ 500,000 | 500,000 |
Due from joint ventures | 919 Third Avenue | New York State Teacher's Retirement System | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | $ 255,000 | $ 255,000 | 255,000 |
Due from joint ventures | 280 Park Avenue | Vornado Realty Trust |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 50.00% | 50.00% |  |
Interest rate, fixed rate debt (as a percent) |  | 5.84% | 5.84% |  |
Total fixed rate debt |  | $ 1,075,000 | $ 1,075,000 | 0 |
Total floating rate debt |  | 0 | 0 | 1,200,000 |
Due from joint ventures | 280 Park Avenue | Vornado Realty Trust | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | 537,500 | 537,500 | 0 |
Total floating rate debt |  | $ 0 | $ 0 | 600,000 |
Due from joint ventures | 245 Park Avenue | U.S. Affiliate of Mori Trust Co., Ltd |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 50.10% | 50.10% |  |
Interest rate, fixed rate debt (as a percent) |  | 4.30% | 4.30% |  |
Total fixed rate debt |  | $ 1,768,000 | $ 1,768,000 | 1,768,000 |
Due from joint ventures | 245 Park Avenue | U.S. Affiliate of Mori Trust Co., Ltd | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | $ 885,768 | $ 885,768 | 885,768 |
Due from joint ventures | One Madison Avenue | National Pension Service of Korea / Hines Interest LP / International Investor |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 25.50% | 25.50% |  |
Interest rate, fixed rate debt (as a percent) |  | 7.10% | 7.10% |  |
Interest rate, floating rate debt (as a percent) |  | 3.10% | 3.10% |  |
Total fixed rate debt |  | $ 658,357 | $ 658,357 | 733,103 |
Total floating rate debt |  | 354,757 | 354,757 | 0 |
Due from joint ventures | One Madison Avenue | National Pension Service of Korea / Hines Interest LP / International Investor | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | 167,881 | 167,881 | 186,941 |
Total floating rate debt |  | $ 90,463 | $ 90,463 | 0 |
Due from joint ventures | Worldwide Plaza | RXR Realty / New York REIT |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 24.95% | 24.95% |  |
Interest rate, fixed rate debt (as a percent) |  | 3.98% | 3.98% |  |
Total fixed rate debt |  | $ 1,200,000 | $ 1,200,000 | 1,200,000 |
Due from joint ventures | Worldwide Plaza | RXR Realty / New York REIT | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | $ 299,400 | $ 299,400 | 299,400 |
Due from joint ventures | 220 East 42nd Street | A fund managed by Meritz Alternative Investment Management |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 51.00% | 51.00% |  |
Interest rate, fixed rate debt (as a percent) |  | 6.77% | 6.77% |  |
Total fixed rate debt |  | $ 496,412 | $ 496,412 | 505,412 |
Due from joint ventures | 220 East 42nd Street | A fund managed by Meritz Alternative Investment Management | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | $ 253,170 | $ 253,170 | 257,760 |
Due from joint ventures | One Vanderbilt Avenue | National Pension Service of Korea / Hines Interest LP / Mori Building Co., Ltd |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, fixed rate debt (as a percent) |  | 2.95% | 2.95% |  |
Total fixed rate debt |  | $ 3,000,000 | $ 3,000,000 | 3,000,000 |
Due from joint ventures | One Vanderbilt Avenue | National Pension Service of Korea / Hines Interest LP / Mori Building Co., Ltd | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | 1,800,300 | 1,800,300 | 2,130,300 |
Due from joint ventures | 5 Times Square | RXR Realty led investment group |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | 0 | 0 | 477,783 |
Total floating rate debt |  | 0 | 0 | 610,010 |
Due from joint ventures | 5 Times Square | RXR Realty led investment group | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | 0 | 0 | 150,740 |
Total floating rate debt |  | $ 0 | $ 0 | 192,458 |
Due from joint ventures | 625 Madison Avenue | Private Investors |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 90.93% | 90.93% |  |
Total fixed rate debt |  | $ 0 | $ 0 | 199,987 |
Due from joint ventures | 625 Madison Avenue | Private Investors | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | 0 | 0 | 180,848 |
Due from joint ventures | 10 East 53rd Street | Canadian Pension Plan Investment Board |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | 0 | 0 | 220,000 |
Due from joint ventures | 10 East 53rd Street | Canadian Pension Plan Investment Board | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | 0 | 0 | 121,000 |
Due from joint ventures | 717 Fifth Avenue | Wharton Properties / Private Investor |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | 0 | 0 | 655,328 |
Due from joint ventures | 717 Fifth Avenue | Wharton Properties / Private Investor | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | $ 0 | $ 0 | 71,536 |
Due from joint ventures | 11 West 34th Street | Private Investor / Wharton Properties |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 30.00% | 30.00% |  |
Interest rate, floating rate debt (as a percent) |  | 1.45% | 1.45% |  |
Total floating rate debt |  | $ 23,000 | $ 23,000 | 23,000 |
Due from joint ventures | 11 West 34th Street | Private Investor / Wharton Properties | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total floating rate debt |  | $ 6,900 | $ 6,900 | 6,900 |
Due from joint ventures | 1552 Broadway | Wharton Properties |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, floating rate debt (as a percent) |  | 2.75% | 2.75% |  |
Total floating rate debt |  | $ 193,132 | $ 193,132 | 193,133 |
Due from joint ventures | 1552 Broadway | Wharton Properties | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total floating rate debt |  | $ 96,566 | $ 96,566 | 96,567 |
Due from joint ventures | 2 Herald Square | Israeli Institutional Investor |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic Interest (as a percent) |  | 95.00% | 95.00% |  |
Total floating rate debt |  | $ 0 | $ 0 | 182,500 |
Due from joint ventures | 2 Herald Square | Israeli Institutional Investor | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total floating rate debt |  | $ 0 | $ 0 | 93,075 |
Due from joint ventures | 100 Park Avenue | Prudential Real Estate Investors |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, floating rate debt (as a percent) |  |  |  |  |
Total floating rate debt |  | $ 0 | $ 0 | 360,000 |
Due from joint ventures | 100 Park Avenue | Prudential Real Estate Investors | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total floating rate debt |  | $ 0 | $ 0 | 179,640 |
Due from joint ventures | Mortgage loan | 650 Fifth Avenue | Wharton Properties |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, fixed rate debt (as a percent) |  | 5.45% | 5.45% |  |
Total fixed rate debt |  | $ 65,000 | $ 65,000 | 65,000 |
Due from joint ventures | Mortgage loan | 650 Fifth Avenue | Wharton Properties | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | $ 32,500 | $ 32,500 | 32,500 |
Due from joint ventures | Mortgage loan | 1515 Broadway | Allianz Real Estate of America |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, fixed rate debt (as a percent) |  | 3.93% | 3.93% |  |
Total fixed rate debt |  | $ 740,947 | $ 740,947 | 762,002 |
Due from joint ventures | Mortgage loan | 1515 Broadway | Allianz Real Estate of America | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt |  | 421,369 | 421,369 | $ 433,344 |
Due from joint ventures | Construction Loans | One Madison Avenue |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum facility capacity |  | $ 1,250,000 | $ 1,250,000 |  |

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