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Revenue - Schedule of Revenue and Percentage Generated by Each Payor Type (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 3,312,769	$ 3,153,963	$ 2,928,738
U.S. Facilities [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 3,312,769	$ 3,153,963	$ 2,928,738
Revenue, Percentage	100.00%	100.00%	100.00%
U.S. Facilities [Member] | Commercial [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 813,788	$ 820,828	$ 820,701
Revenue, Percentage	24.60%	26.00%	28.00%
U.S. Facilities [Member] | Medicare [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 473,455	$ 447,078	$ 441,761
Revenue, Percentage	14.30%	14.20%	15.10%
U.S. Facilities [Member] | Medicaid [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 1,912,168	$ 1,781,615	$ 1,578,518
Revenue, Percentage	57.70%	56.50%	53.90%
U.S. Facilities [Member] | Self-Pay [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 64,822	$ 60,101	$ 67,583
Revenue, Percentage	2.00%	1.90%	2.30%
U.S. Facilities [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 48,536	$ 44,341	$ 20,175
Revenue, Percentage	1.40%	1.40%	0.70%

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