LOANS AND ALLOWANCE FOR CREDIT LOSSES - Allowance Activity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Activity in the allowance for loan losses
Balance at beginning of period	$ 23,756	$ 22,815	$ 22,718	$ 19,082
Charged-off loans	(85)	(286)	(227)	(741)
Recoveries on charged-off loans	41	93	310	307
Provision for credit losses	1,306	(174)	2,217	(1,428)
Balance at end of period	25,018	22,448	25,018	22,448
impact of ASC 326
Activity in the allowance for loan losses
Balance at beginning of period				5,228
Construction and land development | Total commercial loans
Activity in the allowance for loan losses
Balance at beginning of period	1,010	2,372	2,111	824
Recoveries on charged-off loans				18
Provision for credit losses	213	(286)	(888)	48
Balance at end of period	1,223	2,086	1,223	2,086
Construction and land development | Total commercial loans | impact of ASC 326
Activity in the allowance for loan losses
Balance at beginning of period				1,196
Commercial real estate owner occupied | Total commercial real estate
Activity in the allowance for loan losses
Balance at beginning of period	2,722	2,552	2,751	1,783
Charged-off loans		(142)		(403)
Recoveries on charged-off loans	7	72	120	72
Provision for credit losses	132	237	(10)	559
Balance at end of period	2,861	2,719	2,861	2,719
Commercial real estate owner occupied | Total commercial real estate | impact of ASC 326
Activity in the allowance for loan losses
Balance at beginning of period				708
Commercial real estate non-owner occupied | Total commercial real estate
Activity in the allowance for loan losses
Balance at beginning of period	7,361	5,604	5,650	7,864
Recoveries on charged-off loans				4
Provision for credit losses	610	(22)	2,321	(278)
Balance at end of period	7,971	5,582	7,971	5,582
Commercial real estate non-owner occupied | Total commercial real estate | impact of ASC 326
Activity in the allowance for loan losses
Balance at beginning of period				(2,008)
Tax exempt
Activity in the allowance for loan losses
Balance at beginning of period	105	91	86	58
Provision for credit losses	(11)	(6)	8	(13)
Balance at end of period	94	85	94	85
Tax exempt | impact of ASC 326
Activity in the allowance for loan losses
Balance at beginning of period				40
Commercial and industrial | Total commercial and industrial
Activity in the allowance for loan losses
Balance at beginning of period	4,820	5,225	5,369	3,137
Charged-off loans	(8)	(24)	(14)	(44)
Recoveries on charged-off loans	20		56	14
Provision for credit losses	290	105	(289)	(797)
Balance at end of period	5,122	5,306	5,122	5,306
Commercial and industrial | Total commercial and industrial | impact of ASC 326
Activity in the allowance for loan losses
Balance at beginning of period				2,996
Residential mortgages | Total residential real estate
Activity in the allowance for loan losses
Balance at beginning of period	6,806	6,069	5,862	5,010
Charged-off loans	(11)	(6)	(26)	(67)
Recoveries on charged-off loans	6	19	103	141
Provision for credit losses	85	(290)	947	(1,024)
Balance at end of period	6,886	5,792	6,886	5,792
Residential mortgages | Total residential real estate | impact of ASC 326
Activity in the allowance for loan losses
Balance at beginning of period				1,732
Home equity
Activity in the allowance for loan losses
Balance at beginning of period	865	822	814	285
Charged-off loans		(49)	(6)	(108)
Recoveries on charged-off loans	2	1	22	48
Provision for credit losses	(76)	30	(39)	(24)
Balance at end of period	791	804	791	804
Home equity | impact of ASC 326
Activity in the allowance for loan losses
Balance at beginning of period				603
Other consumer | Total consumer
Activity in the allowance for loan losses
Balance at beginning of period	67	80	75	121
Charged-off loans	(66)	(65)	(181)	(119)
Recoveries on charged-off loans	6	1	9	10
Provision for credit losses	63	58	167	101
Balance at end of period	70	74	70	74
Other consumer | Total consumer | impact of ASC 326
Activity in the allowance for loan losses
Balance at beginning of period				(39)
Unfunded Loan Commitment
Activity in the allowance for loan losses
Balance at beginning of period	2,523	1,921	2,152	359
Provision for credit losses	(26)	280	345	226
Balance at end of period	$ 2,497	2,201	$ 2,497	2,201
Unfunded Loan Commitment | impact of ASC 326
Activity in the allowance for loan losses
Balance at end of period		$ 1,616		$ 1,616