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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses	$ 19,056	$ 14,547	$ 16,615	$ 13,537
Allowance for credit losses	18,085		18,085		$ 16,615
Allowance for Loan losses, Charge-offs	(98)	(2,196)	(299)	(2,417)
Allowance for Loan losses, Recoveries	60	25	74	57
(Credit) provision for credit losses on loans	(933)	3,794	(409)	4,993
Allowance for Loan losses	18,085	16,170	18,085	16,170
Adoption of ASU 2016-13 (CECL)
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses			2,104
Commercial
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		8,894	11,298	8,293
Allowance for Loan losses, Charge-offs		(2,160)		(2,310)
Allowance for Loan losses, Recoveries		0		0
(Credit) provision for credit losses on loans		3,504		4,255
Allowance for Loan losses		10,238		10,238
Commercial | Commercial real estate - non-owner occupied
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses	10,603		6,305
Allowance for Loan losses, Charge-offs	0		0
Allowance for Loan losses, Recoveries	0		0
(Credit) provision for credit losses on loans	(268)		267
Allowance for Loan losses	10,335		10,335
Commercial | Commercial real estate - non-owner occupied | Adoption of ASU 2016-13 (CECL)
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses			3,763
Commercial | Commercial real estate - owner occupied
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses	2,025		1,942
Allowance for Loan losses, Charge-offs	0		0
Allowance for Loan losses, Recoveries	0		0
(Credit) provision for credit losses on loans	(161)		(85)
Allowance for Loan losses	1,864		1,864
Commercial | Commercial real estate - owner occupied | Adoption of ASU 2016-13 (CECL)
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses			7
Commercial | All other commercial loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses	3,686		4,142
Allowance for Loan losses, Charge-offs	(7)		(12)
Allowance for Loan losses, Recoveries	34		34
(Credit) provision for credit losses on loans	(161)		(524)
Allowance for Loan losses	3,552		3,552
Commercial | All other commercial loans | Adoption of ASU 2016-13 (CECL)
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses			(88)
Commercial | Other commercial loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		131	124	173
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
(Credit) provision for credit losses on loans		(9)		(51)
Allowance for Loan losses		122		122
Commercial | Commercial and industrial
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		2,792	2,909	2,723
Allowance for Loan losses, Charge-offs		0		(150)
Allowance for Loan losses, Recoveries		0		0
(Credit) provision for credit losses on loans		31		250
Allowance for Loan losses		2,823		2,823
Commercial | Real estate loan
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		4,982	7,074	4,405
Allowance for Loan losses, Charge-offs		(2,160)		(2,160)
Allowance for Loan losses, Recoveries		0		0
(Credit) provision for credit losses on loans		3,225		3,802
Allowance for Loan losses		6,047		6,047
Commercial | Commercial Construction And Land
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		515	647	637
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
(Credit) provision for credit losses on loans		169		47
Allowance for Loan losses		684		684
Commercial | Loans secured by farm land
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		112	112	115
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
(Credit) provision for credit losses on loans		1		(2)
Allowance for Loan losses		113		113
Commercial | Multi-family (5 or more) residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		339	411	215
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
(Credit) provision for credit losses on loans		88		212
Allowance for Loan losses		427		427
Commercial | Agricultural loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		23	21	25
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
(Credit) provision for credit losses on loans		(1)		(3)
Allowance for Loan losses		22		22
Residential mortgage loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses	2,464		2,751
Allowance for Loan losses, Charge-offs	0		(33)
Allowance for Loan losses, Recoveries	8		10
(Credit) provision for credit losses on loans	(479)		(391)
Allowance for Loan losses	1,993		1,993
Residential mortgage loans | Adoption of ASU 2016-13 (CECL)
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses			(344)
Residential mortgage
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		4,392	4,073	4,338
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		1		18
(Credit) provision for credit losses on loans		304		341
Allowance for Loan losses		4,697		4,697
Residential mortgage | Real estate loan | first liens
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		3,689	3,413	3,650
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		1		3
(Credit) provision for credit losses on loans		229		266
Allowance for Loan losses		3,919		3,919
Residential mortgage | Real estate loan | junior liens
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		180	167	184
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
(Credit) provision for credit losses on loans		14		10
Allowance for Loan losses		194		194
Residential mortgage | 1-4 Family residential construction
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		215	211	202
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
(Credit) provision for credit losses on loans		36		49
Allowance for Loan losses		251		251
Residential mortgage | Home equity lines of credit
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		308	282	302
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		15
(Credit) provision for credit losses on loans		25		16
Allowance for Loan losses		333		333
Consumer loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses	278		475
Allowance for Loan losses, Charge-offs	(91)		(254)
Allowance for Loan losses, Recoveries	18		30
(Credit) provision for credit losses on loans	136		324
Allowance for Loan losses	341		341
Consumer loans | Adoption of ASU 2016-13 (CECL)
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses			(234)
Consumer
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		261	244	235
Allowance for Loan losses, Charge-offs		(36)		(107)
Allowance for Loan losses, Recoveries		24		39
(Credit) provision for credit losses on loans		(14)		68
Allowance for Loan losses		235		235
Unallocated
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses	0	1,000	1,000	671
Allowance for Loan losses, Charge-offs	0	0	0	0
Allowance for Loan losses, Recoveries	0	0	0	0
(Credit) provision for credit losses on loans	0	0	0	329
Allowance for Loan losses	$ 0	$ 1,000	0	$ 1,000
Unallocated | Adoption of ASU 2016-13 (CECL)
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses			$ (1,000)

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