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Real Estate - Schedule of Construction in Progress (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Real Estate [Line Items] |  |
Development in process | $ 514,553 | $ 322,226
Twinbrook Quarter |  |
Real Estate [Line Items] |  |
Development in process | 355,113 | 227,672
Hampden House |  |
Real Estate [Line Items] |  |
Development in process | 142,240 | 80,704
Other |  |
Real Estate [Line Items] |  |
Development in process | $ 17,200 | $ 13,850

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