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Real Estate and Other Activities - Adeptus Health - Additional Information (Detail) - Adeptus Health [Member]
$ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
Facility
Lease
Mar. 31, 2020
USD ($)
Business Acquisition [Line Items]    
Number of leased properties | Lease 60  
Real estate impairment charge   $ 9.9
Number Of Facilities Transitioned | Facility 17  
Draw on letter of credit $ 9.1  
Maximum [Member]    
Business Acquisition [Line Items]    
Percentage of vacant on leased property 1.00%