Dispositions of Real Estate and Discontinued Operations - 2023 Dispositions of Real Estate (Details) $ in Thousands	3 Months Ended				12 Months Ended
	Mar. 31, 2023 USD ($) property	Sep. 30, 2022 USD ($) property	Jun. 30, 2022 USD ($) property	Mar. 31, 2022 USD ($) property	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on sales of real estate, net					$ 86,463	$ 9,078	$ 190,590
Lab
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of assets sold | property	2			1
Proceeds from sale of buildings	$ 113,000			$ 14,000
Gain (loss) on sales of real estate, net	$ 60,000			$ 4,000
Outpatient Medical
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of assets sold | property	2	2	3
Proceeds from sale of buildings	$ 32,000	$ 9,000	$ 27,000
Gain (loss) on sales of real estate, net	$ 21,000	$ 1,000	$ 10,000