Investments in Unconsolidated Real Estate Ventures - Summary of Composition of Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
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

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The carrying amount of investments in unconsolidated real estate and other joint ventures not separately presented. This includes direct and indirect investments.

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