SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Allowances for credit loss rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounts Receivable, Allowance for Credit Loss
Balance at beginning of year	$ 12,086	$ 9,255
Provisions for losses and sales adjustments - accounts receivable	2,781	2,831	$ 3,517
Collections of accounts previously written off	(106)	0
Balance at end of year	$ 14,761	$ 12,086	$ 9,255