Summary of Significant Accounting Policies - Schedule of Variable Interest Entities (Details) - USD ($) $ in Thousands		Sep. 30, 2025	Dec. 31, 2024
Variable Interest Entity [Line Items]
Current installments of long-term debt	[1]	$ 19,342	$ 9,234
Accounts payable	[1]	381,853	401,249
Accrued salaries and benefits	[1]	275,607	295,117
Other accrued expenses and liabilities	[1]	266,352	239,824
Total current liabilities	[1]	943,154	945,424
Long-term debt, less current installments	[1]	1,087,023	1,085,818
Self-insured liabilities	[1]	260,621	227,048
Other long-term liabilities	[1]	62,498	34,697
Total liabilities	[1]	3,522,526	3,433,743
Nonrelated Party
Variable Interest Entity [Line Items]
Long-term operating lease liability	[1]	260,748	221,443
Related Party
Variable Interest Entity [Line Items]
Long-term operating lease liability	[1]	908,482	919,313
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Current installments of long-term debt		2,949	2,266
Accounts payable		87,862	89,428
Accrued salaries and benefits		35,256	37,713
Other accrued expenses and liabilities		56,059	45,250
Total current liabilities		182,126	174,657
Long-term debt, less current installments		10,829	8,192
Self-insured liabilities		680	676
Other long-term liabilities		4,107	4,595
Total liabilities		308,964	306,440
Variable Interest Entity, Primary Beneficiary | Nonrelated Party
Variable Interest Entity [Line Items]
Long-term operating lease liability		101,880	108,897
Variable Interest Entity, Primary Beneficiary | Related Party
Variable Interest Entity [Line Items]
Long-term operating lease liability		$ 9,342	$ 9,423

[1] As of September 30, 2025 and December 31, 2024, the unaudited condensed consolidated balance sheets included total liabilities of consolidated variable interest entities of $309.0 million and $306.4 million, respectively. Refer to Note 2, Summary of Significant Accounting Policies, for further discussion.