LOANS (Allowance for Credit Losses on Financing Receivables) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Allowance for loan losses:
Beginning Balance	$ 16,318	$ 10,918	$ 10,942	$ 10,976
Charge-offs	(65)	(144)	(2,328)	(1,219)
Recoveries	76	28	115	170
Provisions	2,500	450	10,100	1,325
Ending Balance	18,829	11,252	18,829	11,252
Commercial real estate
Allowance for loan losses:
Beginning Balance	11,268	7,009	7,398	6,882
Charge-offs	(15)	(144)	(944)	(148)
Recoveries	15	0	15	15
Provisions	1,852	238	6,651	354
Ending Balance	13,120	7,103	13,120	7,103
Residential first mortgages
Allowance for loan losses:
Beginning Balance	885	709	464	755
Charge-offs	0	0	0	0
Recoveries	0	0		0
Provisions	225	(80)	646	(126)
Ending Balance	1,110	629	1,110	629
Residential rentals
Allowance for loan losses:
Beginning Balance	1,059	458	397	498
Charge-offs	0	0	0	(53)
Recoveries	0	0	0	46
Provisions	420	(51)	1,082	(84)
Ending Balance	1,479	407	1,479	407
Construction and land development
Allowance for loan losses:
Beginning Balance	428	246	273	310
Charge-offs	0	0	0	(329)
Recoveries	0	0		0
Provisions	26	(52)	181	213
Ending Balance	454	194	454	194
Home equity and second mortgages
Allowance for loan losses:
Beginning Balance	259	131	149	133
Charge-offs	0	0	(25)	0
Recoveries	7	1	8	5
Provisions	46	(7)	180	(13)
Ending Balance	312	125	312	125
Commercial loans
Allowance for loan losses:
Beginning Balance	1,161	1,402	1,086	1,482
Charge-offs	0	0	(1,027)	0
Recoveries	5	10	15	20
Provisions	(87)	189	1,005	99
Ending Balance	1,079	1,601	1,079	1,601
Consumer loans
Allowance for loan losses:
Beginning Balance	15	9	10	6
Charge-offs	(6)	0	(6)	(4)
Recoveries	0	0	0	2
Provisions	11	(1)	16	4
Ending Balance	20	8	20	8
Commercial equipment
Allowance for loan losses:
Beginning Balance	1,243	954	1,165	910
Charge-offs	(44)	0	(326)	(685)
Recoveries	49	17	77	82
Provisions	7	214	339	878
Ending Balance	$ 1,255	$ 1,185	$ 1,255	$ 1,185