v3.26.1
Real Estate and Other Activities - Summary of Investments in Unconsolidated Real Estate Joint Ventures by Operator (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Schedule of Equity Method Investments [Line Items]    
Investments in unconsolidated real estate joint ventures $ 1,371,657 $ 1,399,777
Swiss Medical Network [Member]    
Schedule of Equity Method Investments [Line Items]    
Ownership interest 70.00%  
Investments in unconsolidated real estate joint ventures $ 607,639 611,347
Median Kliniken S.a.r.l ("MEDIAN") [Member]    
Schedule of Equity Method Investments [Line Items]    
Ownership interest 50.00%  
Investments in unconsolidated real estate joint ventures $ 463,901 486,695
Common Spirit [Member]    
Schedule of Equity Method Investments [Line Items]    
Ownership interest 25.00%  
Investments in unconsolidated real estate joint ventures $ 170,952 162,278
Policlinico di Monza [Member]    
Schedule of Equity Method Investments [Line Items]    
Ownership interest 50.00%  
Investments in unconsolidated real estate joint ventures $ 78,835 86,091
HM Hospital [Member]    
Schedule of Equity Method Investments [Line Items]    
Ownership interest 45.00%  
Investments in unconsolidated real estate joint ventures $ 50,330 $ 53,366