LEASES - Lease liabilities and ROU assets (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Leases [Abstract]
Right-of-use assets	$ 24,190	$ 25,172
Lease liabilities	$ 25,870	$ 26,777
Weighted average remaining lease terms for operating leases (in years)	9 years 7 months 6 days	10 years 3 months 18 days
Weighted average discount rate used in the measurement of lease liabilities	2.54%	2.40%