LOANS AND ALLOWANCE FOR LOAN LOSSES - Activity in allowance for loan losses (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Beginning balance	$ 9,160	$ 8,124	$ 8,680	$ 7,933	$ 7,933
Charge-offs	(171)	(23)	(186)	(140)	(158)
Recoveries	3	2	61	40	45
(Credit) provision	219	185	656	455	860
Ending Balance	9,211	8,288	9,211	8,288	8,680
Ending balance: individually evaluated for impairment					0
Ending balance: collectively evaluated for impairment	9,211	8,288	9,211	8,288	8,680
Ending Balance	845,675	756,785	845,675	756,785	752,841
Ending balance: individually evaluated for impairment	12,177	14,889	12,177	14,889	13,673
Ending balance: collectively evaluated for impairment	833,498	741,896	833,498	741,896	739,168
Commercial and industrial
Beginning balance	675	851	681	787	787
Charge-offs	(149)		(158)	(13)	(13)
Recoveries			2		0
(Credit) provision	192	(84)	193	(7)	(93)
Ending Balance	718	767	718	767	681
Ending balance: individually evaluated for impairment					0
Ending balance: collectively evaluated for impairment	718	767	718	767	681
Ending Balance	85,855	94,791	85,855	94,791	82,526
Ending balance: individually evaluated for impairment	979	1,035	979	1,035	1,017
Ending balance: collectively evaluated for impairment	84,876	93,756	84,876	93,756	81,509
commercial real estate
Beginning balance	5,954	4,930	5,408	4,762	4,762
Charge-offs				(29)	(29)
Recoveries			38	30	30
(Credit) provision	93	280	601	447	645
Ending Balance	6,047	5,210	6,047	5,210	5,408
Ending balance: individually evaluated for impairment					0
Ending balance: collectively evaluated for impairment	6,047	5,210	6,047	5,210	5,408
Ending Balance	600,068	513,001	600,068	513,001	521,654
Ending balance: individually evaluated for impairment	10,357	12,685	10,357	12,685	11,803
Ending balance: collectively evaluated for impairment	589,711	500,316	589,711	500,316	509,851
residential real estate
Beginning balance	1,609	1,539	1,539	1,643	1,643
Charge-offs	(12)	(10)	(12)	(65)	(80)
Recoveries	2	1	16	2	4
(Credit) provision	11	(16)	67	(66)	(28)
Ending Balance	1,610	1,514	1,610	1,514	1,539
Ending balance: individually evaluated for impairment					0
Ending balance: collectively evaluated for impairment	1,610	1,514	1,610	1,514	1,539
Ending Balance	154,324	143,747	154,324	143,747	143,383
Ending balance: individually evaluated for impairment	841	1,169	841	1,169	853
Ending balance: collectively evaluated for impairment	153,483	142,578	153,483	142,578	142,530
Consumer
Beginning balance	79	95	84	94	94
Charge-offs	(10)	(13)	(16)	(33)	(36)
Recoveries	1	1	5	8	11
(Credit) provision	5	11	2	25	15
Ending Balance	75	94	75	94	84
Ending balance: individually evaluated for impairment					0
Ending balance: collectively evaluated for impairment	75	94	75	94	84
Ending Balance	5,428	5,246	5,428	5,246	5,278
Ending balance: individually evaluated for impairment					0
Ending balance: collectively evaluated for impairment	5,428	5,246	5,428	5,246	5,278
Unallocated Financing Receivables
Beginning balance	843	709	968	647	647
Charge-offs					0
Recoveries					0
(Credit) provision	(82)	(6)	(207)	56	321
Ending Balance	761	703	761	703	968
Ending balance: individually evaluated for impairment					0
Ending balance: collectively evaluated for impairment	$ 761	$ 703	$ 761	$ 703	968
Ending Balance					0
Ending balance: individually evaluated for impairment					0
Ending balance: collectively evaluated for impairment					$ 0

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of increase in allowance for credit loss on financing receivable from recovery.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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