COMMITMENTS & CONTINGENCIES (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Operating Leases
Right-of-use assets	$ 8,005		$ 8,005		$ 8,382
Total lease liability	$ 8,193		$ 8,193		$ 8,495
Weighted average remaining lease term	18 years 4 months 6 days		18 years 4 months 6 days		18 years 9 months 18 days
Weighted average discount rate	3.52%		3.52%		3.50%
Operating lease cost	$ 198	$ 204	$ 594	$ 640
Cash paid for lease liability	$ 175	$ 181	$ 521	$ 549
Minimum
Operating Leases
Remaining lease term			10 months 24 days		0 years
Maximum
Operating Leases
Remaining lease term			24 years		25 years