LOANS, ALLOWANCE FOR CREDIT LOSSES AND IMPAIRED LOANS - Loans By Risk (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	$ 1,460,792	$ 1,416,135
Unearned net deferred fees and costs and loans in process		(2,585)
Unamortized discount on acquired loans		(1,766)
Allowance for loan losses	(22,908)	(17,939)
Loans receivable, net	1,437,884	1,393,845
1 to 5
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		1,386,646
6
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		12,170
Risk rating 7
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		17,319
Commercial/Agricultural real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		1,125,279
Allowance for loan losses	(18,784)	(14,085)
Commercial/Agricultural real estate | Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	748,447	725,971
Commercial/Agricultural real estate | Commercial real estate | 1 to 5
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		712,658
Commercial/Agricultural real estate | Commercial real estate | 6
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		5,771
Commercial/Agricultural real estate | Commercial real estate | Risk rating 7
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		7,542
Commercial/Agricultural real estate | Agricultural real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	83,157	87,908
Commercial/Agricultural real estate | Agricultural real estate | 1 to 5
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		84,215
Commercial/Agricultural real estate | Agricultural real estate | 6
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		549
Commercial/Agricultural real estate | Agricultural real estate | Risk rating 7
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		3,144
Commercial/Agricultural real estate | Multi-family real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	228,004	208,908
Commercial/Agricultural real estate | Multi-family real estate | 1 to 5
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		208,908
Commercial/Agricultural real estate | Multi-family real estate | 6
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		0
Commercial/Agricultural real estate | Multi-family real estate | Risk rating 7
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		0
Commercial/Agricultural real estate | Construction and land development
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	110,218	102,492
Commercial/Agricultural real estate | Construction and land development | 1 to 5
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		102,385
Commercial/Agricultural real estate | Construction and land development | 6
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		0
Commercial/Agricultural real estate | Construction and land development | Risk rating 7
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		107
C&I/Agricultural operating
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		164,819
Allowance for loan losses	(1,105)	(2,318)
C&I/Agricultural operating | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	121,190	136,013
C&I/Agricultural operating | Commercial and industrial | 1 to 5
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		129,748
C&I/Agricultural operating | Commercial and industrial | 6
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		5,526
C&I/Agricultural operating | Commercial and industrial | Risk rating 7
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		739
C&I/Agricultural operating | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	25,695	28,806
C&I/Agricultural operating | Commercial and industrial | 1 to 5
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		26,418
C&I/Agricultural operating | Commercial and industrial | 6
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		324
C&I/Agricultural operating | Commercial and industrial | Risk rating 7
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		2,064
Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		108,651
Allowance for loan losses	(2,744)	(599)
Residential mortgage | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	128,479	105,389
Residential mortgage | Residential mortgage | 1 to 5
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		101,730
Residential mortgage | Residential mortgage | 6
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		0
Residential mortgage | Residential mortgage | Risk rating 7
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		3,659
Residential mortgage | Purchased HELOC loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	2,880	3,262
Residential mortgage | Purchased HELOC loans | 1 to 5
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		3,262
Residential mortgage | Purchased HELOC loans | 6
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		0
Residential mortgage | Purchased HELOC loans | Risk rating 7
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		0
Consumer installment
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		17,386
Allowance for loan losses	(275)	(129)
Consumer installment | Originated indirect paper
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	6,535	10,236
Consumer installment | Originated indirect paper | 1 to 5
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		10,190
Consumer installment | Originated indirect paper | 6
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		0
Consumer installment | Originated indirect paper | Risk rating 7
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		46
Consumer installment | Other consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans	$ 6,187	7,150
Consumer installment | Other consumer | 1 to 5
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		7,132
Consumer installment | Other consumer | 6
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		0
Consumer installment | Other consumer | Risk rating 7
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans		$ 18