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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of Credit Risk (Details) - Revenues - Location of facilities | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
New York |  |  |
Concentration of Credit Risk |  |  |
Percentage of total revenues (as a percent) | 17.00% | 16.00% | 19.00%
Florida |  |  |
Concentration of Credit Risk |  |  |
Percentage of total revenues (as a percent) | 15.00% | 15.00% | 15.00%
California |  |  |
Concentration of Credit Risk |  |  |
Percentage of total revenues (as a percent) | 11.00% | 11.00% | 8.00%
Texas |  |  |
Concentration of Credit Risk |  |  |
Percentage of total revenues (as a percent) | 9.00% | 9.00% | 9.00%

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