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Real Estate - Schedule of Construction in Progress (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Real Estate [Line Items] |  |
Construction in progress | $ 653,176 | $ 514,553
Twinbrook Quarter |  |
Real Estate [Line Items] |  |
Construction in progress | 301,763 | 248,913
Accumulated capitalized interest costs | 26,600 | 18,800
Twinbrook Quarter Other Loans |  |
Real Estate [Line Items] |  |
Construction in progress | 131,848 | 106,200
Accumulated capitalized interest costs | 10,100 | 6,700
Hampden House |  |
Real Estate [Line Items] |  |
Construction in progress | 200,503 | 142,240
Accumulated capitalized interest costs | 19,100 | 14,100
Other |  |
Real Estate [Line Items] |  |
Construction in progress | $ 19,062 | $ 17,200

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