LEASES - Future minimum lease payments (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Operating Lease Liability
October 1, 2023 through December 31, 2023	$ 533
2024	4,511
2025	4,632
2026	4,428
2027	4,237
2028	2,172
Total undiscounted future minimum lease payments	20,513
Less: Difference between undiscounted lease payments and discounted lease liabilities:	(2,287)
Total lease liabilities	18,226
Finance Lease Liability
October 1, 2023 through December 31, 2023	37
2024	209
2025	169
2026	108
2027	93
2028	93
Total undiscounted future minimum lease payments	709
Less: Difference between undiscounted lease payments and discounted lease liabilities:	(24)
Total lease liabilities	$ 685