Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Other Liabilities Disclosure [Abstract]
Payor refunds and retractions	$ 410,038	$ 371,183
Insurance and self-insurance accruals	55,548	54,438
Accrued interest	32,926	30,066
Accrued non-income tax liabilities	41,784	39,075
Other	169,049	315,767
Other liabilities	$ 709,345	$ 810,529