SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Allowances for credit loss rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts Receivable, Allowance for Credit Loss
Balance at beginning of year	$ 14,761	$ 12,086
Provisions for losses and sales adjustments - accounts receivable	8,233	2,781	$ 2,831
Collections of accounts previously written off	(165)	(106)
Balance at end of year	$ 22,829	$ 14,761	$ 12,086