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LOANS, ALLOWANCE FOR CREDIT LOSSES AND IMPAIRED LOANS - Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Without an Allowance	$ 12,939
Allowance Allocation	13,184	$ 11,204
Collateralized Loan Obligations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	28,622
Without an Allowance	24,332
With an Allowance	4,290
Allowance Allocation	791
Collateralized Loan Obligations | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	25,149
Collateralized Loan Obligations | Other Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	3,473
Commercial/Agricultural real estate | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Without an Allowance	10,347
Allowance Allocation	10,359	5,736
Commercial/Agricultural real estate | Commercial real estate | Collateralized Loan Obligations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	15,086
Without an Allowance	11,350
With an Allowance	3,736
Allowance Allocation	703
Commercial/Agricultural real estate | Commercial real estate | Collateralized Loan Obligations | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	15,086
Commercial/Agricultural real estate | Commercial real estate | Collateralized Loan Obligations | Other Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	0
Commercial/Agricultural real estate | Agricultural real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Without an Allowance	391
Allowance Allocation	391	2,742
Commercial/Agricultural real estate | Agricultural real estate | Collateralized Loan Obligations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	6,605
Without an Allowance	6,605
With an Allowance	0
Allowance Allocation	0
Commercial/Agricultural real estate | Agricultural real estate | Collateralized Loan Obligations | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	6,605
Commercial/Agricultural real estate | Agricultural real estate | Collateralized Loan Obligations | Other Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	0
Commercial/Agricultural real estate | Multi-family real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Without an Allowance	0
Allowance Allocation	0	0
Commercial/Agricultural real estate | Multi-family real estate | Collateralized Loan Obligations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	0
Without an Allowance	0
With an Allowance	0
Allowance Allocation	0
Commercial/Agricultural real estate | Multi-family real estate | Collateralized Loan Obligations | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	0
Commercial/Agricultural real estate | Multi-family real estate | Collateralized Loan Obligations | Other Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	0
Commercial/Agricultural real estate | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Without an Allowance	54
Allowance Allocation	54	0
Commercial/Agricultural real estate | Construction and land development | Collateralized Loan Obligations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	313
Without an Allowance	313
With an Allowance	0
Allowance Allocation	0
Commercial/Agricultural real estate | Construction and land development | Collateralized Loan Obligations | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	313
Commercial/Agricultural real estate | Construction and land development | Collateralized Loan Obligations | Other Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	0
C&I/Agricultural operating | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Without an Allowance	0
Allowance Allocation	0	552
C&I/Agricultural operating | Commercial and industrial | Collateralized Loan Obligations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	2,219
Without an Allowance	2,219
With an Allowance	0
Allowance Allocation	0
C&I/Agricultural operating | Commercial and industrial | Collateralized Loan Obligations | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	0
C&I/Agricultural operating | Commercial and industrial | Collateralized Loan Obligations | Other Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	2,219
C&I/Agricultural operating | Agricultural operating
Accounts, Notes, Loans and Financing Receivable [Line Items]
Without an Allowance	1,180
Allowance Allocation	1,180	890
C&I/Agricultural operating | Agricultural operating | Collateralized Loan Obligations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	1,181
Without an Allowance	1,181
With an Allowance	0
Allowance Allocation	0
C&I/Agricultural operating | Agricultural operating | Collateralized Loan Obligations | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	0
C&I/Agricultural operating | Agricultural operating | Collateralized Loan Obligations | Other Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	1,181
Residential mortgage | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Without an Allowance	934
Allowance Allocation	1,167	1,253
Residential mortgage | Residential mortgage | Collateralized Loan Obligations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	3,145
Without an Allowance	2,591
With an Allowance	554
Allowance Allocation	88
Residential mortgage | Residential mortgage | Collateralized Loan Obligations | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	3,145
Residential mortgage | Residential mortgage | Collateralized Loan Obligations | Other Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	0
Residential mortgage | Purchased HELOC loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Without an Allowance	0
Allowance Allocation	0	0
Residential mortgage | Purchased HELOC loans | Collateralized Loan Obligations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	0
Without an Allowance	0
With an Allowance	0
Allowance Allocation	0
Residential mortgage | Purchased HELOC loans | Collateralized Loan Obligations | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	0
Residential mortgage | Purchased HELOC loans | Collateralized Loan Obligations | Other Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	0
Consumer installment | Originated indirect paper
Accounts, Notes, Loans and Financing Receivable [Line Items]
Without an Allowance	15
Allowance Allocation	15	27
Consumer installment | Originated indirect paper | Collateralized Loan Obligations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	44
Without an Allowance	44
With an Allowance	0
Allowance Allocation	0
Consumer installment | Originated indirect paper | Collateralized Loan Obligations | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	0
Consumer installment | Originated indirect paper | Collateralized Loan Obligations | Other Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	44
Consumer installment | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Without an Allowance	18
Allowance Allocation	18	$ 4
Consumer installment | Other consumer | Collateralized Loan Obligations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	29
Without an Allowance	29
With an Allowance	0
Allowance Allocation	0
Consumer installment | Other consumer | Collateralized Loan Obligations | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	0
Consumer installment | Other consumer | Collateralized Loan Obligations | Other Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Type	$ 29

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
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+ References

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