ACCOUNTING FOR LEASES - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2019
Lease terms
Right of use assets	$ 14,784	$ 15,574
Short-term lease liability	813	791
Long-term lease liability	$ 13,984	$ 14,797
Lease, Practical Expedients, Package [true false]	true
Weighted-average incremental borrowing rate of operating leases	4.33%
weighted-average remaining lease term	21 years 2 months 12 days	21 years 8 months 12 days
Cash paid related to operating leases	$ 1,400	$ 1,500
ASU 2016-02 | Transition adjustment
Lease terms
Right of use assets			$ 16,400
Short-term lease liability			900
Long-term lease liability			$ 15,500