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Other Liabilities
 12 Months Ended
Dec. 31, 2021
Other Liabilities Disclosure [Abstract]  
Other Liabilities Other liabilities
Other liabilities were comprised of the following:
 December 31,
 20212020
Payor refunds and retractions$410,038 $371,183 
Insurance and self-insurance accruals55,548 54,438 
Accrued interest32,926 30,066 
Accrued non-income tax liabilities41,784 39,075 
Other169,049 315,767 
 $709,345 $810,529