SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Patient Accounts Receivable Narrative (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Percentage of patient receivables outstanding	10.00%
Historical collection rate from Medicare	99.00%
Portion of accounts receivable derived from Medicare	67.00%	68.00%
Net Service Revenue Period Of Care Payment Rate Duration	30 days