LEASES - Schedule of Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Lease Cost
Operating lease cost	$ 770	$ 736	$ 1,486	$ 1,477
Amortization of ROU asset	53	0	105	0
Interest on lease liabilities	33	0	66	0
Total finance lease	86	0	171	0
Total lease cost	856	736	1,657	1,477
Operating cash flows from operating leases
Operating cash flows from operating leases	749	739	1,488	1,483
Operating cash flows from finance leases	33	0	66	0
Financing cash flows from finance leases	39	0	78	0
Cash flows from operating and finance leases	821	739	1,632	1,483
Right-of-use assets obtained in exchange for new operating lease liabilities, net of right-of-use assets disposed	$ 1,376	$ (107)	$ 2,412	$ (98)
Weighted-average remaining lease term - operating leases	4 years 5 months 4 days	5 years 3 days	4 years 5 months 4 days	5 years 3 days
Weighted-average discount rate - operating leases	3.90%	4.60%	3.90%	4.60%
Weighted-average discount rate - finance leases	5.10%		5.10%
Finance Lease, Weighted Average Remaining Lease Term	11 years 9 months		11 years 9 months