Segment and Geographic Information - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2024 Hospital
Segment Reporting Information [Line Items]
Number of geographically organized groups	3
Number of owned and operated hospitals	190
Accounting Standards Update 2023-07 [Member]
Segment Reporting Information [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adoption Date	Jan. 01, 2024
Reorganization Group [Member] | National Group [Member]
Segment Reporting Information [Line Items]
Number of owned and operated hospitals	55
Reorganization Group [Member] | American Group [Member]
Segment Reporting Information [Line Items]
Number of owned and operated hospitals	65
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