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Real Estate and Other Investments - Impairment Narrative (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 USD ($) property | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) property | Sep. 30, 2024 USD ($) | Nov. 03, 2025 property
Real Estate |  |  |  |  |
Impairment of assets | $ | $ 93,243 | $ 23,031 | $ 162,708 | $ 41,718 |
Number of properties owned (property) | 335 |  | 335 |  |
Disposed of by sale |  |  |  |  |
Real Estate |  |  |  |  |
Number of properties owned (property) | 32 |  | 32 |  |
Held for sale |  |  |  |  |
Real Estate |  |  |  |  |
Number of properties owned (property) | 50 |  | 50 |  |
Held for sale | Subsequent Event |  |  |  |  |
Real Estate |  |  |  |  |
Number of properties owned (property) |  |  |  |  | 38
Medical Office Building and Life Science Building |  |  |  |  |
Real Estate |  |  |  |  |
Impairment of assets | $ |  |  | $ 109,597 |  |
Number of properties impaired | 18 |  | 18 |  |
Medical Office Building and Life Science Building | Disposed of by sale |  |  |  |  |
Real Estate |  |  |  |  |
Number of properties owned (property) | 5 |  | 5 |  |
Medical Office Building and Life Science Building | Held for sale |  |  |  |  |
Real Estate |  |  |  |  |
Number of properties owned (property) | 13 |  | 13 |  |
Senior Living Communities | Disposed of by sale |  |  |  |  |
Real Estate |  |  |  |  |
Number of properties owned (property) | 1 |  | 1 |  |
Senior Living Communities | Held for sale |  |  |  |  |
Real Estate |  |  |  |  |
Impairment of assets | $ |  |  | $ 53,111 |  |
Number of properties impaired | 25 |  | 25 |  |
Number of properties owned (property) | 24 |  | 24 |  |

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