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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) | 1 Months Ended | 12 Months Ended
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Jan. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) extension | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | $ 1,387,386,000 | $ 3,165,814,000 |
Total floating rate debt |  | 110,000,000 | 70,148,000 |
Repayments of mortgages |  | 25,826,000 | 292,364,000 | $ 375,044,000
245 Park Avenue |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | 0 | 1,712,750,000 |
Due from joint ventures |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | 12,000,559,000 | 10,855,657,000 |
Total floating rate debt |  | 2,902,780,000 | 1,629,980,000 |
Total joint venture mortgages and other loans payable |  | 14,903,339,000 | 12,485,637,000 |
Deferred financing costs, net |  | (104,062,000) | (136,683,000) |
Total joint venture mortgages and other loans payable, net |  | 14,799,277,000 | 12,348,954,000 |
Due from joint ventures | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | 6,053,808,000 | 5,478,032,000 |
Total floating rate debt |  | 1,298,467,000 | 694,887,000 |
Total joint venture mortgages and other loans payable |  | 7,352,275,000 | 6,172,919,000 |
Deferred financing costs, net |  | (54,865,000) | (66,910,000) |
Total joint venture mortgages and other loans payable, net |  | $ 7,297,410,000 | 6,106,009,000 |
Due from joint ventures | 717 Fifth Avenue | Wharton Properties / Private Investor |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 10.92% |  |
Due from joint ventures | 650 Fifth Avenue | Wharton Properties |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 50.00% |  |
Interest rate, floating rate debt (as a percent) |  | 2.25% |  |
Total floating rate debt |  | $ 210,000,000 | 210,000,000 |
Maturity date of the loan, extended |  | 2 months |  |
Due from joint ventures | 650 Fifth Avenue | Wharton Properties | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total floating rate debt |  | $ 105,000,000 | 105,000,000 |
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% |  |
Interest rate, fixed rate debt (as a percent) |  | 5.86% |  |
Total fixed rate debt |  | $ 505,412,000 | 510,000,000 |
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 |  | $ 257,760,000 | 260,100,000 |
Due from joint ventures | 5 Times Square (4) | RXR Realty led investment group |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 31.55% |  |
Interest rate, fixed rate debt (as a percent) |  | 7.13% |  |
Interest rate, floating rate debt (as a percent) |  | 5.65% |  |
Total fixed rate debt |  | $ 477,783,000 | 400,000,000 |
Total floating rate debt |  | 610,010,000 | 495,924,000 |
Due from joint ventures | 5 Times Square (4) | RXR Realty led investment group | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | 150,740,000 | 126,200,000 |
Total floating rate debt |  | $ 192,458,000 | 156,464,000 |
Due from joint ventures | 10 East 53rd Street | Canadian Pension Plan Investment Board |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 55.00% |  |
Interest rate, fixed rate debt (as a percent) |  | 5.45% |  |
Total fixed rate debt |  | $ 220,000,000 | 220,000,000 |
Due from joint ventures | 10 East 53rd Street | Canadian Pension Plan Investment Board | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | $ 121,000,000 | 121,000,000 |
Due from joint ventures | 1515 Broadway | Allianz Real Estate of America |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 56.87% |  |
Interest rate, fixed rate debt (as a percent) |  | 3.93% |  |
Total fixed rate debt |  | $ 762,002,000 | 782,321,000 |
Due from joint ventures | 1515 Broadway | Allianz Real Estate of America | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | 433,344,000 | 444,898,000 |
Due from joint ventures | 115 Spring Street (2) | RXR Realty led investment group |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total floating rate debt |  | 0 | 65,550,000 |
Due from joint ventures | 115 Spring Street (2) | RXR Realty led investment group | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total floating rate debt |  | $ 0 | 33,431,000 |
Due from joint ventures | 115 Spring Street (2) | Private Investors |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 51.00% |  |
Interest rate, fixed rate debt (as a percent) |  | 5.50% |  |
Total fixed rate debt |  | $ 65,550,000 | 0 |
Due from joint ventures | 115 Spring Street (2) | Private Investors | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | $ 33,431,000 | 0 |
Due from joint ventures | 450 Park Avenue | Korean Institutional Investor / Israeli Institutional Investor |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 25.10% |  |
Interest rate, fixed rate debt (as a percent) |  | 6.10% |  |
Total fixed rate debt |  | $ 271,394,000 | 267,000,000 |
Due from joint ventures | 450 Park Avenue | Korean Institutional Investor / Israeli Institutional Investor | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | $ 68,120,000 | 67,017,000 |
Due from joint ventures | 11 Madison Avenue | PGIM Real Estate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 60.00% |  |
Interest rate, fixed rate debt (as a percent) |  | 3.84% |  |
Total fixed rate debt |  | $ 1,400,000,000 | 1,400,000,000 |
Due from joint ventures | 11 Madison Avenue | PGIM Real Estate | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | $ 840,000,000 | 840,000,000 |
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% |  |
Interest rate, fixed rate debt (as a percent) |  | 3.59% |  |
Total fixed rate debt |  | $ 733,103,000 | 467,008,000 |
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 |  | $ 186,941,000 | 119,087,000 |
Due from joint ventures | 800 Third Avenue | Private Investors |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 60.52% |  |
Interest rate, fixed rate debt (as a percent) |  | 3.37% |  |
Total fixed rate debt |  | $ 177,000,000 | 177,000,000 |
Due from joint ventures | 800 Third Avenue | Private Investors | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | $ 107,120,000 | 107,120,000 |
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% |  |
Interest rate, fixed rate debt (as a percent) |  | 6.11% |  |
Total fixed rate debt |  | $ 500,000,000 | 500,000,000 |
Due from joint ventures | 919 Third Avenue | New York State Teacher's Retirement System | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | $ 255,000,000 | 255,000,000 |
Due from joint ventures | 625 Madison Avenue | Private Investors |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 90.43% |  |
Debt instrument, face amount |  | $ 168,900,000 |  |
Debt Instrument, Increase, Accrued Interest |  | $ 31,100,000 |  |
Due from joint ventures | 625 Madison Avenue | New York State Teacher's Retirement System |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate, fixed rate debt (as a percent) |  | 5.11% |  |
Total fixed rate debt |  | $ 199,987,000 | 0 |
Due from joint ventures | 625 Madison Avenue | New York State Teacher's Retirement System | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | $ 180,848,000 | 0 |
Due from joint ventures | 245 Park Avenue | New York State Teacher's Retirement System |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate, fixed rate debt (as a percent) |  | 4.30% |  |
Total fixed rate debt |  | $ 1,768,000,000 | 0 |
Due from joint ventures | 245 Park Avenue | New York State Teacher's Retirement System | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | $ 885,768,000 | 0 |
Due from joint ventures | Worldwide Plaza (4) | RXR Realty / New York REIT |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 24.95% |  |
Interest rate, fixed rate debt (as a percent) |  | 3.98% |  |
Total fixed rate debt |  | $ 1,200,000,000 | 1,200,000,000 |
Due from joint ventures | Worldwide Plaza (4) | RXR Realty / New York REIT | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | $ 299,400,000 | 299,400,000 |
Due from joint ventures | One Vanderbilt Avenue | National Pension Service of Korea / Hines Interest LP |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 71.01% |  |
Interest rate, fixed rate debt (as a percent) |  | 2.95% |  |
Total fixed rate debt |  | $ 3,000,000,000 | 3,000,000,000 |
Due from joint ventures | One Vanderbilt Avenue | National Pension Service of Korea / Hines Interest LP | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | $ 2,130,300,000 | 2,130,300,000 |
Due from joint ventures | 280 Park Avenue | RXR Realty led investment group |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate, floating rate debt (as a percent) |  | 2.03% |  |
Due from joint ventures | 280 Park Avenue | Vornado Realty Trust |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 50.00% |  |
Total fixed rate debt |  | $ 0 | 1,200,000,000 |
Total floating rate debt |  | 1,200,000,000 | 0 |
Due from joint ventures | 280 Park Avenue | Vornado Realty Trust | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | 0 | 600,000,000 |
Total floating rate debt |  | 600,000,000 | 0 |
Due from joint ventures | 21 East 66th Street | RXR Realty led investment group |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total floating rate debt |  | 0 | 586,000 |
Due from joint ventures | 21 East 66th Street | RXR Realty led investment group | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total floating rate debt |  | 0 | 188,000 |
Due from joint ventures | 21 East 66th Street | Vornado Realty Trust |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | 0 | 12,000,000 |
Due from joint ventures | 21 East 66th Street | Vornado Realty Trust | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | $ 0 | 3,874,000 |
Due from joint ventures | 11 West 34th Street (2) | Private Investor / Wharton Properties |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 30.00% |  |
Interest rate, floating rate debt (as a percent) |  | 1.45% |  |
Total floating rate debt |  | $ 23,000,000 | 23,000,000 |
Due from joint ventures | 11 West 34th Street (2) | Private Investor / Wharton Properties | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total floating rate debt |  | $ 6,900,000 | 6,900,000 |
Due from joint ventures | 2 Herald Square | Subsequent Event |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Repayments of mortgages | $ 7,000,000 |  |  |
Due from joint ventures | 2 Herald Square | Israeli Institutional Investor |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 51.00% |  |
Interest rate, floating rate debt (as a percent) |  | 2.06% |  |
Total floating rate debt |  | $ 182,500,000 | 182,500,000 |
Due from joint ventures | 2 Herald Square | Israeli Institutional Investor | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total floating rate debt |  | $ 93,075,000 | 93,075,000 |
Due from joint ventures | 100 Park Avenue | Prudential Real Estate Investors |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 49.90% |  |
Interest rate, floating rate debt (as a percent) |  | 2.36% |  |
Total floating rate debt |  | $ 360,000,000 | 360,000,000 |
Due from joint ventures | 100 Park Avenue | Prudential Real Estate Investors | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total floating rate debt |  | $ 179,640,000 | 179,640,000 |
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% |  |
Interest rate, floating rate debt (as a percent) |  | 1.61% |  |
Total floating rate debt |  | $ 124,137,000 | 86,738,000 |
Due from joint ventures | 15 Beekman | A fund managed by Meritz Alternative Investment Management | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total floating rate debt |  | $ 24,827,000 | 17,348,000 |
Due from joint ventures | 1552 Broadway | Wharton Properties |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Economic Interest (as a percent) |  | 50.00% |  |
Interest rate, floating rate debt (as a percent) |  | 2.75% |  |
Total floating rate debt |  | $ 193,133,000 | 193,132,000 |
Due from joint ventures | 1552 Broadway | Wharton Properties | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total floating rate debt |  | 96,567,000 | 96,566,000 |
Due from joint ventures | 121 Greene Street | Wharton Properties |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total floating rate debt |  | 0 | 12,550,000 |
Due from joint ventures | 121 Greene Street | Wharton Properties | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total floating rate debt |  | $ 0 | 6,275,000 |
Due from joint ventures | Mortgage loan | 717 Fifth Avenue | Wharton Properties / Private Investor |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate, fixed rate debt (as a percent) |  | 5.02% |  |
Total fixed rate debt |  | $ 655,328,000 | 655,328,000 |
Due from joint ventures | Mortgage loan | 717 Fifth Avenue | Wharton Properties / Private Investor | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | $ 71,536,000 | 71,536,000 |
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% |  |
Total fixed rate debt |  | $ 65,000,000 | 65,000,000 |
Due from joint ventures | Mortgage loan | 650 Fifth Avenue | Wharton Properties | Common Stock |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total fixed rate debt |  | 32,500,000 | $ 32,500,000 |
Due from joint ventures | Construction Loans | One Madison Avenue |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum facility capacity |  | $ 1,250,000,000 |  |
Term |  | 5 years |  |
Number of extension options | extension |  | 1 |  |
Period of extension option |  | 1 year |  |
Due from joint ventures | Construction Loans | 15 Beekman |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum facility capacity |  | $ 125,000,000 |  |

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