INCOME TAXES - Changes in Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of the changes in unrecognized tax benefits
Balance at beginning of year	$ 13,606	$ 15,850	$ 13,960
Additions for tax positions taken during current year	2,685	1,955	1,890
Lapse of statute of limitations	0	(4,199)	0
Balance at end of year	$ 16,291	$ 13,606	$ 15,850