INCOME TAXES - Current and deferred income tax (benefit) expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current income tax expense:
Domestic	$ 1,225	$ 22,133	$ 19,855
Foreign	788	1,084	991
Total current tax expense	2,013	23,217	20,846
Deferred income tax (benefit) expense:
Domestic	(9,965)	(6,020)	(1,912)
Foreign	280	2,218	(10,116)
Total deferred tax (benefit)	(9,685)	(3,802)	(12,028)
Total income tax (benefit) expense	$ (7,672)	$ 19,415	$ 8,818