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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Concentration Risk [Line Items]
Rebate receivable	$ 45,900		$ 45,900		$ 52,000
Investments in equity-method investees	23,600		23,600		$ 20,900
Proportionate share of earnings in equity-method investees	$ 1,400	$ 1,300	3,921	$ 4,107
Distributions received from the investees			$ 1,250	$ 4,000
Revenue from Contract with Customer Benchmark \| Governmental Healthcare Programs \| Government Healthcare Programs
Concentration Risk [Line Items]
Concentration risk (as a percent)	11.00%	11.00%	12.00%	12.00%
Accounts Receivable, Benchmark \| Governmental Healthcare Programs \| Government Healthcare Programs
Concentration Risk [Line Items]
Concentration risk (as a percent)			10.00%		12.00%
Cost of Goods and Service, Product and Service Benchmark \| Medical Supply Vendors \| Four Vendors
Concentration Risk [Line Items]
Concentration risk (as a percent)	68.00%	73.00%	67.00%	73.00%
Largest Payer \| Revenue from Contract with Customer Benchmark \| Company's Largest Payer
Concentration Risk [Line Items]
Concentration risk (as a percent)	15.00%	14.00%	15.00%	14.00%
Joint Venture
Concentration Risk [Line Items]
Distributions received from the investees	$ 500	$ 1,500	$ 1,300	$ 4,000