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LOANS, ALLOWANCE FOR CREDIT LOSSES AND IMPAIRED LOANS - TDR Loan Modifications (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) contract
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of Contracts | contract	23
Pre-Modification Outstanding Recorded Investment	$ 6,135
Post-Modification Outstanding Recorded Investment	6,135
Specific Reserve	$ 0
Commercial/Agricultural real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of Contracts | contract	7
Pre-Modification Outstanding Recorded Investment	$ 3,205
Post-Modification Outstanding Recorded Investment	3,205
Specific Reserve	$ 0
C&I/Agricultural operating
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of Contracts | contract	5
Pre-Modification Outstanding Recorded Investment	$ 2,160
Post-Modification Outstanding Recorded Investment	2,160
Specific Reserve	$ 0
Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of Contracts | contract	11
Pre-Modification Outstanding Recorded Investment	$ 770
Post-Modification Outstanding Recorded Investment	770
Specific Reserve	$ 0
Consumer installment
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of Contracts | contract	0
Pre-Modification Outstanding Recorded Investment	$ 0
Post-Modification Outstanding Recorded Investment	0
Specific Reserve	0
Modified Rate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	2,781
Modified Rate | Commercial/Agricultural real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	1,241
Modified Rate | C&I/Agricultural operating
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	1,424
Modified Rate | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	116
Modified Rate | Consumer installment
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	0
Modified Payment
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	147
Modified Payment | Commercial/Agricultural real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	0
Modified Payment | C&I/Agricultural operating
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	0
Modified Payment | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	147
Modified Payment | Consumer installment
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	0
Modified Under- writing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	3,207
Modified Under- writing | Commercial/Agricultural real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	1,964
Modified Under- writing | C&I/Agricultural operating
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	736
Modified Under- writing | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	507
Modified Under- writing | Consumer installment
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	0
Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	0
Other | Commercial/Agricultural real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	0
Other | C&I/Agricultural operating
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	0
Other | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	0
Other | Consumer installment
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan restructuring	$ 0

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount, before troubled debt restructuring, of financing receivable to be modified.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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