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Investments in and Advances to Unconsolidated Joint Ventures - Narrative (Details) $ in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Jan. 31, 2024 USD ($) property | Mar. 31, 2025 USD ($) | Mar. 31, 2024 USD ($) | Feb. 28, 2025 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |
Gain on deconsolidation |  |  | $ 78 |
HQ Point Investment |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity investment, aggregate cost |  |  |  | $ 50
HQ Point Investment | Lab Buildings |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Payments to acquire equity investments |  | $ 21 |  |
Callan Ridge Joint Venture | Callan Ridge Joint Venture |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investment ownership percentage | 35.00% |  |  |
Callan Ridge Joint Venture | Lab Buildings |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Property count | property | 2 |  |  |
Callan Ridge Joint Venture | Lab Buildings | Callan Ridge Joint Venture |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investment ownership percentage | 65.00% |  |  |
Cash proceeds | $ 128 |  |  |

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