Land, Buildings and Improvements, and Assets Held for Sale - Operating Real Estate (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Real Estate Properties | ||
| Land, buildings and improvements — operating properties | $ 286,079 | $ 1,198,676 |
| Less: Accumulated depreciation | (3,578,330) | (3,222,396) |
| Real estate operating business | ||
| Real Estate Properties | ||
| Less: Accumulated depreciation | (59,626) | (100,575) |
| Investments in real estate | 226,453 | 1,098,101 |
| Real estate operating business | Land | ||
| Real Estate Properties | ||
| Land, buildings and improvements — operating properties | 25,665 | 144,871 |
| Real estate operating business | Buildings and improvements | ||
| Real Estate Properties | ||
| Land, buildings and improvements — operating properties | $ 260,414 | $ 1,053,805 |