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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2022
Accounting Policies [Abstract] |
Schedule of Changes in Allowance for Doubtful Accounts | The following table presents the changes in the allowance for doubtful accounts (in thousands):
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
Balance, beginning of year | $ | 14,012 |  |  | $ | 12,711 |  |  | $ | 9,049 |
Add: adoption of ASC 326, Financial Instruments - Credit Losses | — |  |  | — |  |  | 461 |
Add: provision for doubtful accounts | 17,191 |  |  | 9,615 |  |  | 10,515 |
Less: write-offs, net of recoveries and other adjustments | (12,728) |  |  | (8,314) |  |  | (7,314) |
Balance, end of year | $ | 18,475 |  |  | $ | 14,012 |  |  | $ | 12,711 |
Schedule of Changes in Contractual Allowance | The following table presents the changes in the contractual allowance (in thousands):
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
Balance, beginning of year | $ | 31,274 |  |  | $ | 21,281 |  |  | $ | 15,433 |
Add: allowance for contractual adjustments | 41,158 |  |  | 27,459 |  |  | 20,916 |
Less: contractual adjustments | (31,043) |  |  | (17,466) |  |  | (15,068) |
Balance, end of year | $ | 41,389 |  |  | $ | 31,274 |  |  | $ | 21,281 |

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