Accounts Receivable, Net - (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accounts Receivable, net
Gross charges before estimates for implicit price concessions	$ 229,683	$ 206,880
Less estimates for implicit price concessions:
Payor disallowances	(58,094)	(53,378)
Patient non-payments	(9,589)	(7,244)
Accounts receivable, gross	162,000	146,258
Allowance for doubtful accounts	(2,641)	(2,272)	$ (14,065)	$ (15,521)
Accounts receivable, net	159,359	143,986
Patient Care
Accounts Receivable, net
Gross charges before estimates for implicit price concessions	202,132	182,338
Less estimates for implicit price concessions:
Payor disallowances	(58,094)	(53,378)
Patient non-payments	(9,589)	(7,244)
Accounts receivable, gross	134,449	121,716
Accounts receivable, net	134,449	121,716
Products & Services
Accounts Receivable, net
Gross charges before estimates for implicit price concessions	27,551	24,542
Less estimates for implicit price concessions:
Accounts receivable, gross	27,551	24,542
Allowance for doubtful accounts	(2,641)	(2,272)
Accounts receivable, net	$ 24,910	$ 22,270