Real Estate and Other Activities - Summary of Investments in Unconsolidated Operating Entities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	$ 1,843,847	$ 1,444,872
PHP Holdings [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	684,418
Steward Loan Investment [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	362,589	362,831
International Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	230,153	231,402
Swiss Medical Network [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	171,334	157,145
Priory [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	157,547	156,575
Steward Equity Investment [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	125,862	125,862
Aevis Victoria SA [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	79,738	72,904
Aspris Children's Services [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	15,996	16,023
Lifepoint Behavioral [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	11,093	200,827
Caremax [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities	$ 5,117	8,526
Prospect [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated operating entities		$ 112,777