REVENUE AND ACCOUNTS RECEIVABLE - Accounts Receivable (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts receivable, gross | $ 416,234 | $ 339,944 |
| Less: allowance for doubtful accounts | (7,802) | (11,213) |
| ACCOUNTS RECEIVABLE, NET | 408,432 | 328,731 |
| Medicaid | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts receivable, gross | 157,878 | 123,647 |
| Managed care | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts receivable, gross | 95,940 | 79,722 |
| Medicare | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts receivable, gross | 76,526 | 59,797 |
| Private and other payors | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts receivable, gross | $ 85,890 | $ 76,778 |