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LOANS, ALLOWANCE FOR LOAN LOSSES AND IMPAIRED LOANS - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) troubled_debt_restructuring loan	Dec. 31, 2021 USD ($) troubled_debt_restructuring
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total impaired loans		$ 26,823	$ 31,740
Recorded Investment		$ 7,788	$ 12,523
Number of delinquent TDR | troubled_debt_restructuring		1	1
Recorded investment in delinquent TDR		$ 15	$ 4
Number of TDR commitments meeting our TDR criteria | troubled_debt_restructuring		1	0
Total amount of TDR commitments meeting TDR criteria		$ 26
Available line of credit loan, amount		484	$ 10
Accretable expense from purchased impaired loans		1,165
Forecast
Accounts, Notes, Loans and Financing Receivable [Line Items]
Expected balance	$ 80
PCI Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment		6,904	10,552
Net Of TDR PCI Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment		7,018	9,860
Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment		12,901	11,328
Acquired Loans | PCI Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment		7,000	11,205
Originated Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment		7,788	12,523
Originated Loans | Performing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment		5,171	7,984
Commercial/Agricultural real estate:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total impaired loans		16,849	21,408
Commercial/Agricultural real estate: | Originated Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment		3,214	8,007
Residential mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total impaired loans		$ 5,937	6,922
Number of loans, foreclosure | loan		6
Loans in process of foreclosure		$ 258
Residential mortgage: | Originated Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment		$ 3,223	$ 3,274
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loans, foreclosure | loan		3
Loans in process of foreclosure		$ 6,294
Agricultural real estate | Commercial/Agricultural real estate:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan-to-value ratio (as a percent)		75.00%

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