Investments in Unconsolidated Joint Ventures - Narrative (Details) $ in Thousands	1 Months Ended		3 Months Ended	12 Months Ended
	Jan. 31, 2026 USD ($) property	Jan. 31, 2024 USD ($) property	Sep. 30, 2025 USD ($) bbl	Dec. 31, 2025 USD ($) property	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Feb. 28, 2025 USD ($)
Schedule of Equity Method Investments [Line Items]
Gain (loss) on deconsolidation					$ 78,000
Income Tax Expense (Benefit)				$ 9,283	4,350	$ (9,617)
Difference between carrying amount and underlying equity				$ 134,000	$ 42,000
Fair Value, Inputs, Level 3 | Weighted Average
Schedule of Equity Method Investments [Line Items]
Alternative investment, measurement input (in percent) | bbl			0.0795
Fair Value, Inputs, Level 3 | Measurement Input, Terminal Capitalization Rate
Schedule of Equity Method Investments [Line Items]
Alternative investment, measurement input (in percent) | bbl			0.0650
Fair Value, Inputs, Level 3 | Discount rate | Minimum
Schedule of Equity Method Investments [Line Items]
Alternative investment, measurement input (in percent) | bbl			0.0750
Fair Value, Inputs, Level 3 | Discount rate | Maximum
Schedule of Equity Method Investments [Line Items]
Alternative investment, measurement input (in percent) | bbl			0.0875
SWF SH JV | Senior housing
Schedule of Equity Method Investments [Line Items]
Investment ownership (in percent)				54.00%
Property count | property				19
SWF SH JV | Senior housing | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Investment ownership (in percent)	100.00%
HQ Point Investment
Schedule of Equity Method Investments [Line Items]
Equity investment, percentage of total fund commitments							$ 50,000
Callan Ridge JV | Lab
Schedule of Equity Method Investments [Line Items]
Investment ownership (in percent)				35.00%
Property count | property		2		2
South San Francisco JVs
Schedule of Equity Method Investments [Line Items]
Investment ownership (in percent)			30.00%
Other-than-temporary impairments charges			$ 169,000
South San Francisco JVs | Lab
Schedule of Equity Method Investments [Line Items]
Investment ownership (in percent)				70.00%
Property count | property				7
Needham Land Parcel JV
Schedule of Equity Method Investments [Line Items]
Other-than-temporary impairments charges			7,000
Income Tax Expense (Benefit)			$ 2,000
Needham Land Parcel JV | Lab
Schedule of Equity Method Investments [Line Items]
Investment ownership (in percent)				38.00%
Property count | property				0
SWF SH JV | SWF SH JV | Senior housing | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Investment ownership (in percent)	46.50%
Payments to acquire equity method investments	$ 312,000
Property count | property	19
Callan Ridge JV | Callan Ridge JV
Schedule of Equity Method Investments [Line Items]
Investment ownership (in percent)		35.00%
Callan Ridge JV | Callan Ridge JV | Lab
Schedule of Equity Method Investments [Line Items]
Investment ownership (in percent)		65.00%
Cash proceeds		$ 128,000