LOANS (Allowance for Credit Losses on Financing Receivables) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Allowance for loan losses:
Beginning Balance	$ 19,424	$ 10,942
Charge-offs	(1,485)	0
Recoveries	22	19
Provisions	295	4,100
Ending Balance	18,256	15,061
Commercial real estate
Allowance for loan losses:
Beginning Balance	13,744	7,398
Charge-offs	(1,247)	0
Recoveries	1	0
Provisions	787	1,685
Ending Balance	13,285	9,083
Residential first mortgages
Allowance for loan losses:
Beginning Balance	1,305	464
Charge-offs	(142)	0
Recoveries	0	0
Provisions	(139)	398
Ending Balance	1,024	862
Residential rentals
Allowance for loan losses:
Beginning Balance	1,413	397
Charge-offs	(46)	0
Recoveries	0	0
Provisions	(6)	305
Ending Balance	1,361	702
Construction and land development
Allowance for loan losses:
Beginning Balance	401	273
Charge-offs	0	0
Recoveries	0	0
Provisions	(36)	163
Ending Balance	365	436
Home equity and second mortgages
Allowance for loan losses:
Beginning Balance	261	149
Charge-offs	0	0
Recoveries	1	1
Provisions	1	108
Ending Balance	263	258
Commercial loans
Allowance for loan losses:
Beginning Balance	1,222	1,086
Charge-offs	(50)	0
Recoveries	5	5
Provisions	(165)	1,175
Ending Balance	1,012	2,266
Consumer loans
Allowance for loan losses:
Beginning Balance	20	10
Charge-offs	0	0
Recoveries	0	0
Provisions	9	5
Ending Balance	29	15
Commercial equipment
Allowance for loan losses:
Beginning Balance	1,058	1,165
Charge-offs	0	0
Recoveries	15	13
Provisions	(156)	261
Ending Balance	917	1,439
Purchased credit impaired
Allowance for loan losses:
Beginning Balance	0	0
Charge-offs	0	0
Recoveries	0	0
Provisions	0	0
Ending Balance	$ 0	$ 0