LEASES - Right-of-Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Right of use assets
Operating leases	$ 16,066	$ 17,094
Finance leases	2,155	2,338
Total	18,221	19,432
Operating leases liabilities - current	3,584	3,796
Finance lease liabilities - current	274	226
Total lease liabilities, current	3,858	4,022
Operating leases liabilities - non-current	13,244	13,806
Finance lease liabilities - non-current	1,995	2,213
Total lease liabilities, non-current	$ 15,239	$ 16,019