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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 ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Jun. 30, 2024
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | $ 1,667,249,000 |  | $ 1,667,249,000 | $ 1,587,474,000 |
Total floating rate debt | 376,153,000 |  | 376,153,000 | 363,550,000 |
Allowance for loan Loss | 0 |  | 0 |  | $ 0
Additional amount of financing receivables included in other assets | 31,500,000 |  | 31,500,000 |  |
Financing receivable, excluding accrued interest, initial credit loss expense (reversal) | 66,000,000 | $ 99,000,000 | 165,037,000 | 0 |
Due from joint venture |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | 11,542,915,000 |  | 11,542,915,000 | 11,551,101,000 |
Total floating rate debt | 863,650,000 |  | 863,650,000 | 780,889,000 |
Total fixed rate and floating rate debt | 12,406,565,000 |  | 12,406,565,000 | 12,331,990,000 |
Deferred financing costs, net | (87,590,000) |  | (87,590,000) | (97,729,000) |
Total joint venture mortgages and other loans payable, net | 12,318,975,000 |  | 12,318,975,000 | 12,234,261,000 |
Additional amount of financing receivables included in other assets | 63,000,000.0 |  | 63,000,000.0 |  |
Financing receivable, excluding accrued interest, initial credit loss expense (reversal) | 132,000,000 |  |  |  |
Due from joint venture | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | 5,723,399,000 |  | 5,723,399,000 | 5,728,933,000 |
Total floating rate debt | 320,033,000 |  | 320,033,000 | 298,929,000 |
Total fixed rate and floating rate debt | 6,043,432,000 |  | 6,043,432,000 | 6,027,862,000 |
Deferred financing costs, net | (43,647,000) |  | (43,647,000) | (49,058,000) |
Total joint venture mortgages and other loans payable, net | 5,999,785,000 |  | 5,999,785,000 | 5,978,804,000 |
Due from joint venture | One Madison Avenue | Construction Loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum facility capacity | $ 1,250,000,000 |  | $ 1,250,000,000 |  |
Wharton Properties | Due from joint venture | 650 Fifth Avenue |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic interest (as a percent) | 50.00% |  | 50.00% |  |
Interest rate, fixed rate debt (as a percent) | 5.45% |  | 5.45% |  |
Interest rate, floating rate debt (as a percent) | 2.25% |  | 2.25% |  |
Total fixed rate debt | $ 65,000,000 |  | $ 65,000,000 | 65,000,000 |
Total floating rate debt | 210,000,000 |  | 210,000,000 | 210,000,000 |
Wharton Properties | Due from joint venture | 650 Fifth Avenue | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | 32,500,000 |  | 32,500,000 | 32,500,000 |
Total floating rate debt | $ 105,000,000 |  | $ 105,000,000 | 105,000,000 |
Wharton Properties | Due from joint venture | 1552 Broadway |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic interest (as a percent) | 50.00% |  | 50.00% |  |
Interest rate, floating rate debt (as a percent) | 2.75% |  | 2.75% |  |
Total floating rate debt | $ 193,132,000 |  | $ 193,132,000 | 193,132,000 |
Wharton Properties | Due from joint venture | 1552 Broadway | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total floating rate debt | $ 96,566,000 |  | $ 96,566,000 | 96,566,000 |
Private Investors | Due from joint venture | 115 Spring Street |  |  |  |  |
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 | $ 65,550,000 |  | $ 65,550,000 | 65,550,000 |
Private Investors | Due from joint venture | 115 Spring Street | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | $ 33,431,000 |  | $ 33,431,000 | 33,431,000 |
Private Investors | Due from joint venture | 800 Third Avenue |  |  |  |  |
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 | $ 177,000,000 |  | $ 177,000,000 | 177,000,000 |
Private Investors | Due from joint venture | 800 Third Avenue | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | $ 107,120,000 |  | $ 107,120,000 | 107,120,000 |
PGIM Real Estate | Due from joint venture | 11 Madison Avenue |  |  |  |  |
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 | $ 1,400,000,000 |  | $ 1,400,000,000 | 1,400,000,000 |
PGIM Real Estate | Due from joint venture | 11 Madison Avenue | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | $ 840,000,000 |  | $ 840,000,000 | 840,000,000 |
A fund managed by Meritz Alternative Investment Management | Due from joint venture | 15 Beekman |  |  |  |  |
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 | $ 120,000,000 |  | $ 120,000,000 | 120,000,000 |
A fund managed by Meritz Alternative Investment Management | Due from joint venture | 15 Beekman | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | $ 24,000,000 |  | $ 24,000,000 | 24,000,000 |
A fund managed by Meritz Alternative Investment Management | Due from joint venture | 220 East 42nd Street |  |  |  |  |
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 | $ 496,412,000 |  | $ 496,412,000 | 496,412,000 |
A fund managed by Meritz Alternative Investment Management | Due from joint venture | 220 East 42nd Street | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | $ 253,170,000 |  | $ 253,170,000 | 253,170,000 |
Allianz Real Estate of America | Due from joint venture | 1515 Broadway |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic interest (as a percent) | 56.87% |  | 56.87% |  |
Interest rate, fixed rate debt (as a percent) | 3.93% |  | 3.93% |  |
Total fixed rate debt | $ 730,017,000 |  | $ 730,017,000 | 740,947,000 |
Allianz Real Estate of America | Due from joint venture | 1515 Broadway | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | $ 415,154,000 |  | $ 415,154,000 | 421,369,000 |
New York State Teacher's Retirement System | Due from joint venture | 919 Third Avenue |  |  |  |  |
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 | $ 500,000,000 |  | $ 500,000,000 | 500,000,000 |
New York State Teacher's Retirement System | Due from joint venture | 919 Third Avenue | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | $ 255,000,000 |  | $ 255,000,000 | 255,000,000 |
Korean Institutional Investor / Israeli Institutional Investor | Due from joint venture | 450 Park Avenue |  |  |  |  |
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 | $ 289,257,000 |  | $ 289,257,000 | 284,835,000 |
Korean Institutional Investor / Israeli Institutional Investor | Due from joint venture | 450 Park Avenue | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | $ 72,603,000 |  | $ 72,603,000 | 71,494,000 |
Vornado Realty Trust | Due from joint venture | 280 Park Avenue |  |  |  |  |
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% |  |
Vornado Realty Trust | Due from joint venture | 280 Park Avenue | Mortgage loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | $ 1,075,000,000 |  | $ 1,075,000,000 | 1,075,000,000 |
Vornado Realty Trust | Due from joint venture | 280 Park Avenue | Common Stock | Mortgage loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | $ 537,500,000 |  | $ 537,500,000 | 537,500,000 |
U.S. Affiliate of Mori Trust Co., Ltd | Due from joint venture | 245 Park Avenue |  |  |  |  |
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 | $ 1,768,000,000 |  | $ 1,768,000,000 | 1,768,000,000 |
U.S. Affiliate of Mori Trust Co., Ltd | Due from joint venture | 245 Park Avenue | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | $ 885,768,000 |  | $ 885,768,000 | 885,768,000 |
National Pension Service of Korea / Hines Interest LP / International Investor | Due from joint venture | One Madison Avenue |  |  |  |  |
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 | $ 656,679,000 |  | $ 656,679,000 | 658,357,000 |
Total floating rate debt | 437,518,000 |  | 437,518,000 | 354,757,000 |
National Pension Service of Korea / Hines Interest LP / International Investor | Due from joint venture | One Madison Avenue | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | 167,453,000 |  | 167,453,000 | 167,881,000 |
Total floating rate debt | $ 111,567,000 |  | $ 111,567,000 | 90,463,000 |
RXR Realty / New York REIT | Due from joint venture | Worldwide Plaza |  |  |  |  |
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 | $ 1,200,000,000 |  | $ 1,200,000,000 | 1,200,000,000 |
RXR Realty / New York REIT | Due from joint venture | Worldwide Plaza | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | $ 299,400,000 |  | $ 299,400,000 | 299,400,000 |
National Pension Service of Korea / Hines Interest LP | Due from joint venture | One Vanderbilt Avenue |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Economic interest (as a percent) | 60.01% |  | 60.01% |  |
Interest rate, fixed rate debt (as a percent) | 2.95% |  | 2.95% |  |
Total fixed rate debt | $ 3,000,000,000 |  | $ 3,000,000,000 | 3,000,000,000 |
National Pension Service of Korea / Hines Interest LP | Due from joint venture | One Vanderbilt Avenue | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total fixed rate debt | $ 1,800,300,000 |  | $ 1,800,300,000 | 1,800,300,000 |
Wharton Properties / Private Investor | Due from joint venture | 11 West 34th Street |  |  |  |  |
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 | $ 23,000,000 |  | $ 23,000,000 | 23,000,000 |
Wharton Properties / Private Investor | Due from joint venture | 11 West 34th Street | Common Stock |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total floating rate debt | $ 6,900,000 |  | $ 6,900,000 | $ 6,900,000 |

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