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Loans, Troubled Debt Restructuring with subsequent default (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) contracts | Dec. 31, 2021 USD ($) contracts | Dec. 31, 2020 USD ($) contracts
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 30 | 22 | 55
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 2,522,000 | $ 1,259,000 | $ 4,401,000
Commercial Financial Agricultural less PPP and Overdrafts |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 5 | 0 |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 2,091,000 |  |
Construction Real Estate Commercial [Domain] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 0 | 0 |
Residential Real Estate Commercial [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 1 | 0 |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 93,000 |  |
Residential Real Estate Mortgage [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 4 | 4 |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 154,000 | $ 280,000 |
Residential Real Estate Home Equity Line Of Credit [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 1 | 2 |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 10,000 | $ 135,000 |
consumer less GFSC and check loans |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 19 | 14 |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 174,000 | $ 169,000 |
PPP loans receivable |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 0 | 0 |
Bank Overdrafts |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 0 | 0 |
GFSC loans |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 0 | 0 |
Check Loans |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 0 | 0 |
Nonaccruing Financing Receivable Modifications [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 500,000 | $ 1,100,000 | 3,700,000
Accruing Financing Receivable Modifications [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 2,000,000 | $ 115,000 | $ 706,000
Commercial Financial And Agricultural [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts |  |  | 4
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ |  |  | $ 2,776,000
Commercial Real Estate Portfolio Segment [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 0 | 0 | 1
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ |  |  | $ 223,000
Construction Real Estate Remaining Commercial [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts |  |  | 0
Construction Real Estate Mortgage [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 0 | 1 |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 0 | $ 648,000 |
Residential Real Estate Commercial [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts |  |  | 1
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ |  |  | $ 3,000
Residential Real Estate Mortgage [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts |  |  | 11
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ |  |  | $ 993,000
Residential Real Estate Home Equity Line Of Credit [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts |  |  | 0
Residential Real Estate Installment [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 0 | 1 | 3
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 0 | $ 27,000 | $ 32,000
Consumer Loan [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts |  |  | 34
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ |  |  | $ 360,000
Finance Leases Portfolio Segment [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 0 | 0 | 0
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 0 | $ 0 |
Construction Real Estate Retail |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts |  |  | 1
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ |  |  | $ 14,000

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