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Fair Value Measurements - Schedule of Fair Value Measurements, Recurring (Details) - USD ($) $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024 | Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Marketable securities available-for-sale | $ 17,151 | $ 17,323 |
Interest rate cap and swap agreements (included in Other assets) | 11,848 | 31,860 |
Real estate loans held by consolidated securitization vehicles | 1,431,362 | 584,134 |
Debt fund investments, at fair value | 41,356 | 0 |
Interest rate cap and swap agreements (included in Other liabilities) | 17,742 | 6,469 |
Senior obligations of consolidated securitization vehicles | 1,431,362 | 567,487 |
Secured borrowing (included in Other liabilities) | 248,992 | 251,096 |
One Madison Avenue | National Pension Service of Korea / Hines Interest LP / International Investor |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Investment in joint venture aggregate maximum ownership percentage |  |  | 25.00%
Level 1 |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Marketable securities available-for-sale | 0 | 0 |
Interest rate cap and swap agreements (included in Other assets) | 0 | 0 |
Real estate loans held by consolidated securitization vehicles | 0 | 0 |
Debt fund investments, at fair value | 0 |  |
Interest rate cap and swap agreements (included in Other liabilities) | 0 | 0 |
Senior obligations of consolidated securitization vehicles | 0 | 0 |
Secured borrowing (included in Other liabilities) | 0 | 0 |
Level 2 |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Marketable securities available-for-sale | 17,151 | 17,323 |
Interest rate cap and swap agreements (included in Other assets) | 11,848 | 31,860 |
Real estate loans held by consolidated securitization vehicles | 1,003,729 | 584,134 |
Debt fund investments, at fair value | 36,852 |  |
Interest rate cap and swap agreements (included in Other liabilities) | 17,742 | 6,469 |
Senior obligations of consolidated securitization vehicles | 1,003,729 | 567,487 |
Secured borrowing (included in Other liabilities) | 0 | 0 |
Level 3 |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Marketable securities available-for-sale | 0 | 0 |
Interest rate cap and swap agreements (included in Other assets) | 0 | 0 |
Real estate loans held by consolidated securitization vehicles | 427,633 | 0 |
Debt fund investments, at fair value | 4,504 |  |
Interest rate cap and swap agreements (included in Other liabilities) | 0 | 0 |
Senior obligations of consolidated securitization vehicles | 427,633 | 0 |
Secured borrowing (included in Other liabilities) | 248,992 | $ 251,096 |
Level 3 | The Debt Investment Fund |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fund purchased | $ 4,500 |  |

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