Accounts Receivable, Net - Schedule of Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accounts Receivable, net
Gross charges before estimates for implicit price concessions	$ 194,574	$ 177,804
Less estimates for implicit price concessions:
Payor disallowances	(33,007)	(39,343)
Patient non-payments	(7,500)	(7,042)
Accounts receivable, gross	154,067	131,419
Allowance for doubtful accounts	(2,009)	(2,823)	$ (2,641)	$ (2,272)
Accounts receivable, net	152,058	128,596
Patient Care
Accounts Receivable, net
Gross charges before estimates for implicit price concessions	173,115	156,504
Less estimates for implicit price concessions:
Payor disallowances	(33,007)	(39,343)
Patient non-payments	(7,500)	(7,042)
Accounts receivable, gross	132,608	110,119
Allowance for doubtful accounts	0	0
Accounts receivable, net	132,608	110,119
Products & Services
Accounts Receivable, net
Gross charges before estimates for implicit price concessions	21,459	21,300
Less estimates for implicit price concessions:
Payor disallowances	0	0
Patient non-payments	0	0
Accounts receivable, gross	21,459	21,300
Allowance for doubtful accounts	(2,009)	(2,823)
Accounts receivable, net	$ 19,450	$ 18,477