Concentration of Credit Risk - Schedule of Geographical Concentration of Credit Risk (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Percentage of Total Company Revenues | Customer Concentration Risk | Lab | Largest Tenant
Concentration Risk [Line Items]
Concentration risk (as a percent)	2.00%
Percentage of Total Company Revenues | Customer Concentration Risk | Outpatient Medical | Largest Tenant
Concentration Risk [Line Items]
Concentration risk (as a percent)	8.00%
California | Percentage of Total Company Assets | Geographic Concentration Risk | Continuing Operations
Concentration Risk [Line Items]
Concentration risk (as a percent)	38.00%	37.00%
California | Percentage of Total Company Revenues | Geographic Concentration Risk | Continuing Operations
Concentration Risk [Line Items]
Concentration risk (as a percent)	31.00%	31.00%	28.00%
Florida | Percentage of Total Company Assets | Geographic Concentration Risk | Continuing Operations
Concentration Risk [Line Items]
Concentration risk (as a percent)	10.00%	10.00%
Florida | Percentage of Total Company Revenues | Geographic Concentration Risk | Continuing Operations
Concentration Risk [Line Items]
Concentration risk (as a percent)	18.00%	18.00%	17.00%
Texas | Percentage of Total Company Assets | Geographic Concentration Risk | Continuing Operations
Concentration Risk [Line Items]
Concentration risk (as a percent)	10.00%	10.00%
Texas | Percentage of Total Company Revenues | Geographic Concentration Risk | Continuing Operations
Concentration Risk [Line Items]
Concentration risk (as a percent)	11.00%	11.00%	11.00%
Massachusetts | Percentage of Total Company Assets | Geographic Concentration Risk | Continuing Operations
Concentration Risk [Line Items]
Concentration risk (as a percent)	17.00%	17.00%
Massachusetts | Percentage of Total Company Revenues | Geographic Concentration Risk | Continuing Operations
Concentration Risk [Line Items]
Concentration risk (as a percent)	11.00%	10.00%	9.00%