SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Patient Accounts Receivable Narrative (Details)	3 Months Ended
Mar. 31, 2025	Dec. 31, 2024
Concentration Risk [Line Items]
Accounts receivable derived from Medicare	61.00%	64.00%
Net service revenue period of care payment rate (days)	30 days
Percentage of patient receivables outstanding	10.00%
Historical collection rate from Medicare	99.00%
Payor Concentration Risk \| Accounts Receivable \| Single Payor
Concentration Risk [Line Items]
Concentration risk (percent)	11.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References + Details