OPERATING LEASES - Other Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Other information
Amortization of lease right-to-use asset	$ 1,477	$ 1,517
Accretion of lease liabilities	384	464
Cash paid for amounts included in the measurement of operating lease liabilities	$ 2,070	$ 2,046
Weighted-average remaining lease term in years	10 years 7 months 6 days	10 years 9 months 18 days
Weighted-average discount rate	2.63%	2.64%