Real Estate and Other Activities - Summary of Investments in Unconsolidated Operating Entities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	$ 1,310,460	$ 1,444,872
Steward Loan Investment [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	362,586	362,831
International Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	230,153	231,402
Priory [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	159,668	156,575
Swiss Medical Network [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	158,687	157,145
Steward Equity Investment [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	125,862	125,862
Prospect [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	112,701	112,777
Aevis Victoria SA [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	77,618	72,904
PHP Holdings [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	49,895
Aspris Children's Services [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	16,014	16,023
Springstone [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	10,933	200,827
Caremax [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	$ 6,343	$ 8,526