COMMITMENTS AND CONTINGENCIES - Leases expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Operating lease costs	$ 2,031	$ 701	$ 240
Variable lease costs	221	236	48
Total lease costs	$ 2,252	$ 937	$ 288