Segment and Geographic Information - Additional Information (Detail)	Dec. 31, 2023 Hospital
Segment Reporting Information [Line Items]
Number of owned and operated hospitals	186
Reorganization Group [Member] | National Group [Member]
Segment Reporting Information [Line Items]
Number of owned and operated hospitals	57
Reorganization Group [Member] | American Group [Member]
Segment Reporting Information [Line Items]
Number of owned and operated hospitals	60
Reorganization Group [Member] | Atlantic Group [Member]
Segment Reporting Information [Line Items]
Number of owned and operated hospitals	62
Reorganization Group [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Number of owned and operated hospitals	7