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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - Allowance for Credit Losses [Member] - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
 [1]
Dec. 31, 2020
Dec. 31, 2019
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning Balance $ 2,008 $ 2,698 $ 2,672
Additions Charged to Cost and Expenses 5,305 4,623 4,858
Additions Charged to Other Accounts 0 0 0
Deductions [2] 4,545 5,313 4,832
Ending Balance $ 2,768 $ 2,008 [1] $ 2,698
[1] Related to patient accounts receivable and accounts receivable-other.
[2] Uncollectible accounts written off, net of recoveries.