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Investments in Unconsolidated Real Estate Ventures - Summary of Composition of Investments (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
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Investments in Unconsolidated Real Estate Ventures |  |
Total investments in unconsolidated real estate ventures | $ 100,682 | $ 264,281
Prudential Global Investment Management (PGIM) |  |
Investments in Unconsolidated Real Estate Ventures |  |
Ownership interest (as percent) | 50.00% |
Total investments in unconsolidated real estate ventures | $ 664 | 163,375
J.P. Morgan Global Alternatives ("J.P. Morgan") |  |
Investments in Unconsolidated Real Estate Ventures |  |
Ownership interest (as percent) | 50.00% |
Total investments in unconsolidated real estate ventures | $ 73,978 | 72,742
4747 Bethesda Avenue |  |
Investments in Unconsolidated Real Estate Ventures |  |
Ownership interest (as percent) | 20.00% |
Total investments in unconsolidated real estate ventures | $ 11,208 | 13,118
Brandywine Realty Trust |  |
Investments in Unconsolidated Real Estate Ventures |  |
Ownership interest (as percent) | 30.00% |
Total investments in unconsolidated real estate ventures | $ 13,781 | 13,681
CBREI Venture |  |
Investments in Unconsolidated Real Estate Ventures |  |
Ownership interest (as percent) | 10.00% |
Total investments in unconsolidated real estate ventures | $ 175 | 180
Landmark |  |
Investments in Unconsolidated Real Estate Ventures |  |
Ownership interest (as percent) | 18.00% |
Total investments in unconsolidated real estate ventures | $ 560 | 605
Other Investment |  |
Investments in Unconsolidated Real Estate Ventures |  |
Total investments in unconsolidated real estate ventures | $ 316 | $ 580

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