LOANS (Allowance for Credit Losses "ACL" on Financing Receivables) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Allowance for credit losses:
Beginning Balance	$ 21,382	$ 18,256	$ 18,417	$ 19,424
Charge-offs	(447)	(61)	(447)	(1,546)
Recoveries	44	30	63	52
Provisions	425	239	875	534
Ending Balance	21,404	18,464	21,404	18,464
Cumulative Effect, Period of Adoption, Adjustment
Allowance for credit losses:
Beginning Balance			2,496
Commercial real estate
Allowance for credit losses:
Beginning Balance	17,313	13,285	13,095	13,744
Charge-offs	(280)	(1)	(280)	(1,248)
Recoveries	0	1	0	2
Provisions	(200)	633	284	1,420
Ending Balance	16,833	13,918	16,833	13,918
Commercial real estate | Cumulative Effect, Period of Adoption, Adjustment
Allowance for credit losses:
Beginning Balance			3,734
Residential first mortgages
Allowance for credit losses:
Beginning Balance	284	1,024	1,002	1,305
Charge-offs	(111)	0	(111)	(142)
Recoveries	0	0	0	0
Provisions	82	(177)	43	(316)
Ending Balance	255	847	255	847
Residential first mortgages | Cumulative Effect, Period of Adoption, Adjustment
Allowance for credit losses:
Beginning Balance			(679)
Residential rentals
Allowance for credit losses:
Beginning Balance	1,546	1,361	2,175	1,413
Charge-offs	0	0	0	(46)
Recoveries	0	0	0	0
Provisions	114	(175)	71	(181)
Ending Balance	1,660	1,186	1,660	1,186
Residential rentals | Cumulative Effect, Period of Adoption, Adjustment
Allowance for credit losses:
Beginning Balance			(586)
Construction and land development
Allowance for credit losses:
Beginning Balance	137	365	260	401
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provisions	29	(33)	(12)	(69)
Ending Balance	166	332	166	332
Construction and land development | Cumulative Effect, Period of Adoption, Adjustment
Allowance for credit losses:
Beginning Balance			(82)
Home equity and second mortgages
Allowance for credit losses:
Beginning Balance	178	263	274	261
Charge-offs	0	0	0	0
Recoveries	1	2	1	3
Provisions	(36)	(23)	(46)	(22)
Ending Balance	143	242	143	242
Home equity and second mortgages | Cumulative Effect, Period of Adoption, Adjustment
Allowance for credit losses:
Beginning Balance			(86)
Commercial loans
Allowance for credit losses:
Beginning Balance	319	1,012	582	1,222
Charge-offs	(50)	(26)	(50)	(76)
Recoveries	1	5	1	10
Provisions	(32)	122	(5)	(43)
Ending Balance	238	1,113	238	1,113
Commercial loans | Cumulative Effect, Period of Adoption, Adjustment
Allowance for credit losses:
Beginning Balance			(290)
Consumer loans
Allowance for credit losses:
Beginning Balance	73	29	58	20
Charge-offs	(6)	0	(6)	0
Recoveries	0	0	0	0
Provisions	65	(1)	78	8
Ending Balance	132	28	132	28
Consumer loans | Cumulative Effect, Period of Adoption, Adjustment
Allowance for credit losses:
Beginning Balance			2
Commercial equipment
Allowance for credit losses:
Beginning Balance	1,532	917	971	1,058
Charge-offs	0	(34)	0	(34)
Recoveries	42	22	61	37
Provisions	403	(107)	462	(263)
Ending Balance	$ 1,977	798	1,977	798
Commercial equipment | Cumulative Effect, Period of Adoption, Adjustment
Allowance for credit losses:
Beginning Balance			$ 483
Purchased credit impaired
Allowance for credit losses:
Beginning Balance		0		0
Charge-offs		0		0
Recoveries		0		0
Provisions		52		52
Ending Balance		$ 52		$ 52