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Debt - Mortgage Debt (Details) $ in Thousands	1 Months Ended	12 Months Ended
Debt - Mortgage Debt (Details) $ in Thousands	Dec. 31, 2023 USD ($) loan facility	Dec. 31, 2024 USD ($) derivative_held facility	Dec. 31, 2023 USD ($) facility	Dec. 31, 2022 USD ($)	Feb. 28, 2023 derivative_held	Aug. 31, 2022 derivative_held	Apr. 30, 2022 derivative_held
Debt Instrument [Line Items]
Principal balance on debt		$ 8,856,048
Number of interest-rate contracts held \| derivative_held		1
Cash Flow Hedging \| Designated as Hedging Instrument
Debt Instrument [Line Items]
Number of interest-rate contracts held \| derivative_held		2
Interest rate swap instruments \| Designated as Hedging Instrument
Debt Instrument [Line Items]
Number of interest-rate contracts held \| derivative_held						2
Interest rate swap instruments \| Cash Flow Hedging \| Designated as Hedging Instrument
Debt Instrument [Line Items]
Number of interest-rate contracts held \| derivative_held					2		2
Outpatient Medical \| Mortgage Debt
Debt Instrument [Line Items]
Property count \| facility		1
Debt instrument, periodic payment, principal		$ 23,000
CCRC \| Mortgage Debt
Debt Instrument [Line Items]
Face amount	$ 85,000		$ 85,000
Number of loans \| loan	1
Mortgage Debt
Debt Instrument [Line Items]
Principal balance on debt	$ 255,000	356,048	255,000
Debt instrument, collateral, healthcare facilities carrying value	$ 587,000	770,000	587,000
Debt instrument, periodic payment, principal		$ 27,000	$ 90,000	$ 5,000
Mortgage Debt \| Outpatient Medical
Debt Instrument [Line Items]
Property count \| facility	15	19	15
Mortgage Debt \| Outpatient Medical \| Mortgage Debt
Debt Instrument [Line Items]
Property count \| facility		13
Face amount		$ 142,000
Mortgage Debt \| CCRC
Debt Instrument [Line Items]
Property count \| facility	2	2	2