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Investments in Unconsolidated Joint Ventures - Schedule of General Information on Joint Ventures (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2025 USD ($) ft² | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) ft² | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2021
General information on each joint venture |  |  |  |  |  |
Equity in net (loss) gain on sale of interest in unconsolidated joint venture/real estate | $ | $ (1,946) | $ (8,129) | $ (1,946) | $ 18,635 |  |
Debt and preferred equity investments | $ | 315,684 |  | 315,684 |  | $ 303,726 |
Preferred Equity |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Debt and preferred equity investments | $ | $ 138,954 |  | $ 138,954 |  |  |
450 Park Avenue | Preferred Equity |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Joint venture sold (as a percent) | 0.50 |  | 0.50 |  |  |
625 Madison Avenue | Preferred Equity |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Carrying value of investment in leasehold interest | $ | $ 235,400 |  | $ 235,400 |  |  |
Equity in net (loss) gain on sale of interest in unconsolidated joint venture/real estate | $ |  |  | 14,500 |  |  |
Debt and preferred equity investments | $ | $ 209,700 |  | $ 209,700 |  |  |
Average yield (as a percent) |  |  | 8.76% |  |  |
Private Investors | Due from joint venture | 800 Third Avenue |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 60.52% |  | 60.52% |  |  |
Approximate square feet unaudited (sqft) | 526,000 |  | 526,000 |  |  |
Private Investors | Due from joint venture | 115 Spring Street |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 51.00% |  | 51.00% |  |  |
Approximate square feet unaudited (sqft) | 5,218 |  | 5,218 |  |  |
Private Investors | Due from joint venture | 625 Madison Avenue |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 90.93% |  | 90.93% |  |  |
Approximate square feet unaudited (sqft) | 563,000 |  | 563,000 |  |  |
New York State Teacher's Retirement System | Due from joint venture | 919 Third Avenue |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 51.00% |  | 51.00% |  |  |
Approximate square feet unaudited (sqft) | 1,454,000 |  | 1,454,000 |  |  |
Private Investor / Wharton Properties | Due from joint venture | 11 West 34th Street |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 30.00% |  | 30.00% |  |  |
Approximate square feet unaudited (sqft) | 17,150 |  | 17,150 |  |  |
Vornado Realty Trust | Due from joint venture | 280 Park Avenue |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 50.00% |  | 50.00% |  |  |
Approximate square feet unaudited (sqft) | 1,219,158 |  | 1,219,158 |  |  |
Wharton Properties | Due from joint venture | 1552-1560 Broadway |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 50.00% |  | 50.00% |  |  |
Approximate square feet unaudited (sqft) | 57,718 |  | 57,718 |  |  |
Wharton Properties | Due from joint venture | 650 Fifth Avenue |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 50.00% |  | 50.00% |  |  |
Approximate square feet unaudited (sqft) | 69,214 |  | 69,214 |  |  |
Wharton Properties | Due from joint venture | 1552 Broadway |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 50.00% |  | 50.00% |  |  |
PGIM Real Estate | Due from joint venture | 11 Madison Avenue |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 60.00% |  | 60.00% |  |  |
Approximate square feet unaudited (sqft) | 2,314,000 |  | 2,314,000 |  |  |
National Pension Service of Korea / Hines Interest LP | Due from joint venture | One Vanderbilt Avenue |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 60.01% |  | 60.01% |  |  |
Approximate square feet unaudited (sqft) | 1,657,198 |  | 1,657,198 |  |  |
RXR Realty / New York REIT | Due from joint venture | Worldwide Plaza |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 24.95% |  | 24.95% |  |  |
Approximate square feet unaudited (sqft) | 2,048,725 |  | 2,048,725 |  |  |
Allianz Real Estate of America | Due from joint venture | 1515 Broadway |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 56.87% |  | 56.87% |  |  |
Approximate square feet unaudited (sqft) | 1,750,000 |  | 1,750,000 |  |  |
Israeli Institutional Investor | Due from joint venture | 2 Herald Square |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 95.00% |  | 95.00% |  |  |
Approximate square feet unaudited (sqft) | 369,000 |  | 369,000 |  |  |
A fund managed by Meritz Alternative Investment Management | Due from joint venture | 15 Beekman |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 20.00% |  | 20.00% |  |  |
Approximate square feet unaudited (sqft) | 221,884 |  | 221,884 |  |  |
A fund managed by Meritz Alternative Investment Management | Due from joint venture | 220 East 42nd Street |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 51.00% |  | 51.00% |  |  |
Approximate square feet unaudited (sqft) | 1,135,000 |  | 1,135,000 |  |  |
National Pension Service of Korea / Hines Interest LP / International Investor | One Madison Avenue |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Investment in joint venture aggregate maximum ownership percentage |  |  |  |  |  | 25.00%
National Pension Service of Korea / Hines Interest LP / International Investor | Due from joint venture | One Madison Avenue |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 25.50% |  | 25.50% |  |  |
Approximate square feet unaudited (sqft) | 1,048,700 |  | 1,048,700 |  |  |
Korean Institutional Investor / Israeli Institutional Investor | 450 Park Avenue | Third-Party |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Investment in joint venture, partners' ownership percentage | 25.00% |  | 25.00% |  |  |
Ownership Interest | 49.90% |  | 49.90% |  |  |
Korean Institutional Investor / Israeli Institutional Investor | Due from joint venture | 450 Park Avenue |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 25.10% |  | 25.10% |  |  |
Approximate square feet unaudited (sqft) | 337,000 |  | 337,000 |  |  |
Investment in joint venture, ownership percentage | 25.10% |  | 25.10% |  |  |
Ownership Interest | 50.10% |  | 50.10% |  |  |
U.S. Affiliate of Mori Trust Co., Ltd | Due from joint venture | 245 Park Avenue |  |  |  |  |  |
General information on each joint venture |  |  |  |  |  |
Economic interest (as a percent) | 50.10% |  | 50.10% |  |  |
Approximate square feet unaudited (sqft) | 1,782,793 |  | 1,782,793 |  |  |

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