Segment and Geographic Information - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2024 Hospital
Segment Reporting Information [Line Items]
Number of geographically organized groups	3
Number of owned and operated hospitals	188
Reorganization Group [Member] | National Group [Member]
Segment Reporting Information [Line Items]
Number of owned and operated hospitals	56
Reorganization Group [Member] | American Group [Member]
Segment Reporting Information [Line Items]
Number of owned and operated hospitals	62
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	8