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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses	$ 18,346	$ 14,271	$ 16,615	$ 13,537
Allowance for credit losses	19,056		19,056		$ 16,615
Allowance for Loan losses, Charge-offs	(134)	(41)	(201)	(221)
Allowance for Loan losses, Recoveries	8	9	14	32
Allowance for Loan losses, Provision (Credit)	836	308	524	1,199
Allowance for Loan losses	19,056	14,547	19,056	14,547
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		8,922	11,298	8,293
Allowance for Loan losses, Charge-offs		0		(150)
Allowance for Loan losses, Recoveries		0		0
Allowance for Loan losses, Provision (Credit)		(28)		751
Allowance for Loan losses		8,894		8,894
Commercial | Commercial real estate - nonowner occupied
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses	9,654		6,305
Allowance for Loan losses, Charge-offs	0		0
Allowance for Loan losses, Recoveries	0		0
Allowance for Loan losses, Provision (Credit)	949		535
Allowance for Loan losses	10,603		10,603
Commercial | Commercial real estate - nonowner 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	1,942		1,942
Allowance for Loan losses, Charge-offs	0		0
Allowance for Loan losses, Recoveries	0		0
Allowance for Loan losses, Provision (Credit)	83		76
Allowance for Loan losses	2,025		2,025
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	3,580		4,142
Allowance for Loan losses, Charge-offs	0		(5)
Allowance for Loan losses, Recoveries	0		0
Allowance for Loan losses, Provision (Credit)	106		(363)
Allowance for Loan losses	3,686		3,686
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		150	124	173
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
Allowance for Loan losses, Provision (Credit)		(19)		(42)
Allowance for Loan losses		131		131
Commercial | Commercial and industrial
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		2,841	2,909	2,723
Allowance for Loan losses, Charge-offs		0		(150)
Allowance for Loan losses, Recoveries		0		0
Allowance for Loan losses, Provision (Credit)		(49)		219
Allowance for Loan losses		2,792		2,792
Commercial | Real estate loan
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		5,017	7,074	4,405
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
Allowance for Loan losses, Provision (Credit)		(35)		577
Allowance for Loan losses		4,982		4,982
Commercial | Commercial Construction And Land
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		391	647	637
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
Allowance for Loan losses, Provision (Credit)		124		(122)
Allowance for Loan losses		515		515
Commercial | Loans secured by farm land
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		129	112	115
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
Allowance for Loan losses, Provision (Credit)		(17)		(3)
Allowance for Loan losses		112		112
Commercial | Multi-family (5 or more) residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		367	411	215
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
Allowance for Loan losses, Provision (Credit)		(28)		124
Allowance for Loan losses		339		339
Commercial | Agricultural loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		27	21	25
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
Allowance for Loan losses, Provision (Credit)		(4)		(2)
Allowance for Loan losses		23		23
Residential mortgage loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses	2,864		2,751
Allowance for Loan losses, Charge-offs	(14)		(33)
Allowance for Loan losses, Recoveries	1		2
Allowance for Loan losses, Provision (Credit)	(387)		88
Allowance for Loan losses	2,464		2,464
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		4,445	4,073	4,338
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		1		17
Allowance for Loan losses, Provision (Credit)		(54)		37
Allowance for Loan losses		4,392		4,392
Residential mortgage | Real estate loan | first liens
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		3,810	3,413	3,650
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		1		2
Allowance for Loan losses, Provision (Credit)		(122)		37
Allowance for Loan losses		3,689		3,689
Residential mortgage | Real estate loan | junior liens
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		181	167	184
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
Allowance for Loan losses, Provision (Credit)		(1)		(4)
Allowance for Loan losses		180		180
Residential mortgage | 1-4 Family residential construction
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		148	211	202
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		0
Allowance for Loan losses, Provision (Credit)		67		13
Allowance for Loan losses		215		215
Residential mortgage | Home equity lines of credit
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses		306	282	302
Allowance for Loan losses, Charge-offs		0		0
Allowance for Loan losses, Recoveries		0		15
Allowance for Loan losses, Provision (Credit)		2		(9)
Allowance for Loan losses		308		308
Consumer loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses	306		475
Allowance for Loan losses, Charge-offs	(120)		(163)
Allowance for Loan losses, Recoveries	7		12
Allowance for Loan losses, Provision (Credit)	85		188
Allowance for Loan losses	278		278
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		237	244	235
Allowance for Loan losses, Charge-offs		(41)		(71)
Allowance for Loan losses, Recoveries		8		15
Allowance for Loan losses, Provision (Credit)		57		82
Allowance for Loan losses		261		261
Unallocated
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Allowance for Loan losses	0	667	1,000	671
Allowance for Loan losses, Charge-offs	0	0	0	0
Allowance for Loan losses, Recoveries	0	0	0	0
Allowance for Loan losses, Provision (Credit)	0	333	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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