Commitments and Contingencies - Additional Information (Detail) - Hospital		9 Months Ended
	Sep. 15, 2021	Sep. 30, 2020
Steward Health Care System LLC [Member]
Commitment And Contingencies [Line Items]
Number of facilities acquired		2
HCA Healthcare [Member]
Commitment And Contingencies [Line Items]
Number of facilities acquired	5
HCA Healthcare [Member] | Steward Health Care System LLC [Member]
Commitment And Contingencies [Line Items]
Number of facilities acquired	5
Acute Care Hospital [Member] | HCA Healthcare [Member]
Commitment And Contingencies [Line Items]
Number of facilities acquired	5