Revenue Recognition and Receivables - Schedule of Other Receivables and Advances (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables before the allowance for doubtful accounts	$ 60,521	$ 66,257
Medicaid
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables before the allowance for doubtful accounts	21,998	27,532
Medicare
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables before the allowance for doubtful accounts	11,811	15,706
Managed Care
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables before the allowance for doubtful accounts	9,103	8,126
Private Pay and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables before the allowance for doubtful accounts	$ 17,609	$ 14,893