INCOME TAXES - Unrecognized tax benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance	$ 760	$ 887
Additions for current year tax positions	0	0
Additions included in purchase accounting for prior year positions	0	0
Reductions for prior year tax positions	(3)	(127)
Ending Balance (excluding interest and penalties)	757	760
Interest and penalties	0	0
Total	$ 757	$ 760