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Loans - Gross Charge-Offs (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |
Current year |  |  | $ 6 |  | $ 1,810
Prior year |  |  | 454 |  | 2,301
Two years prior |  |  | 744 |  | 617
Three years prior |  |  | 75 |  | 310
Four years prior |  |  | 115 |  | 725
Prior |  |  | 7,383 |  | 12,412
Revolving Loans |  |  | 409 |  | 865
Total Charge-offs | $ 1,904 | $ 3,630 | 9,186 | $ 16,272 | 19,040
Commercial, financial, agricultural |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |
Current year |  |  | 0 |  | 898
Prior year |  |  | 33 |  | 1,909
Two years prior |  |  | 152 |  | 235
Three years prior |  |  | 34 |  | 131
Four years prior |  |  | 4 |  | 635
Prior |  |  | 251 |  | 4,165
Revolving Loans |  |  | 408 |  | 865
Total Charge-offs | 347 | 2,252 | 882 | 7,720 | 8,838
Lease financing |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |
Current year |  |  | 0 |  | 883
Prior year |  |  | 336 |  | 273
Two years prior |  |  | 306 |  | 248
Three years prior |  |  | 0 |  | 72
Four years prior |  |  | 0 |  | 48
Prior |  |  | 0 |  | 0
Revolving Loans |  |  | 0 |  | 0
Total Charge-offs | 642 | 641 | 642 | 641 | 1,524
Real estate – construction: |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |
Total Charge-offs | 0 | 0 |  | 57 |
Real estate – construction: | Residential |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |
Current year |  |  |  |  | 0
Prior year |  |  |  |  | 57
Two years prior |  |  |  |  | 0
Three years prior |  |  |  |  | 0
Four years prior |  |  |  |  | 0
Prior |  |  |  |  | 0
Revolving Loans |  |  |  |  | 0
Total Charge-offs |  |  |  |  | 57
Real estate – 1-4 family mortgage: |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |
Current year |  |  | 0 |  | 0
Prior year |  |  | 12 |  | 17
Two years prior |  |  | 186 |  | 91
Three years prior |  |  | 35 |  | 72
Four years prior |  |  | 110 |  | 35
Prior |  |  | 203 |  | 202
Revolving Loans |  |  | 0 |  | 0
Total Charge-offs | 256 | 130 | 546 | 345 | 417
Real estate – 1-4 family mortgage: | Primary |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |
Current year |  |  | 0 |  | 0
Prior year |  |  | 12 |  | 17
Two years prior |  |  | 137 |  | 0
Three years prior |  |  | 35 |  | 0
Four years prior |  |  | 110 |  | 0
Prior |  |  | 83 |  | 92
Revolving Loans |  |  | 0 |  | 0
Total Charge-offs |  |  | 377 |  | 109
Real estate – 1-4 family mortgage: | Home equity |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |
Current year |  |  | 0 |  | 0
Prior year |  |  | 0 |  | 0
Two years prior |  |  | 49 |  | 0
Three years prior |  |  | 0 |  | 0
Four years prior |  |  | 0 |  | 25
Prior |  |  | 75 |  | 90
Revolving Loans |  |  | 0 |  | 0
Total Charge-offs |  |  | 124 |  | 115
Real estate – 1-4 family mortgage: | Rental/investment |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |
Current year |  |  | 0 |  | 0
Prior year |  |  | 0 |  | 0
Two years prior |  |  | 0 |  | 91
Three years prior |  |  | 0 |  | 72
Four years prior |  |  | 0 |  | 10
Prior |  |  | 45 |  | 20
Revolving Loans |  |  | 0 |  | 0
Total Charge-offs |  |  | 45 |  | 193
Real Estate - Commercial Mortgage |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |
Current year |  |  | 0 |  | 0
Prior year |  |  | 0 |  | 0
Two years prior |  |  | 37 |  | 0
Three years prior |  |  | 0 |  | 0
Four years prior |  |  | 0 |  | 0
Prior |  |  | 5,700 |  | 5,568
Revolving Loans |  |  | 0 |  | 0
Total Charge-offs | 10 | 0 | 5,737 | 5,512 | 5,568
Real Estate - Commercial Mortgage | Owner-occupied |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |
Current year |  |  | 0 |  | 0
Prior year |  |  | 0 |  | 0
Two years prior |  |  | 37 |  | 0
Three years prior |  |  | 0 |  | 0
Four years prior |  |  | 0 |  | 0
Prior |  |  | 0 |  | 582
Revolving Loans |  |  | 0 |  | 0
Total Charge-offs |  |  | 37 |  | 582
Real Estate - Commercial Mortgage | Non-owner occupied |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |
Current year |  |  | 0 |  | 0
Prior year |  |  | 0 |  | 0
Two years prior |  |  | 0 |  | 0
Three years prior |  |  | 0 |  | 0
Four years prior |  |  | 0 |  | 0
Prior |  |  | 5,693 |  | 4,986
Revolving Loans |  |  | 0 |  | 0
Total Charge-offs |  |  | 5,693 |  | 4,986
Real Estate - Commercial Mortgage | Land development |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |
Current year |  |  | 0 |  |
Prior year |  |  | 0 |  |
Two years prior |  |  | 0 |  |
Three years prior |  |  | 0 |  |
Four years prior |  |  | 0 |  |
Prior |  |  | 7 |  |
Revolving Loans |  |  | 0 |  |
Total Charge-offs |  |  | 7 |  |
Installment loans to individuals |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |
Current year |  |  | 6 |  | 29
Prior year |  |  | 73 |  | 45
Two years prior |  |  | 63 |  | 43
Three years prior |  |  | 6 |  | 35
Four years prior |  |  | 1 |  | 7
Prior |  |  | 1,229 |  | 2,477
Revolving Loans |  |  | 1 |  | 0
Total Charge-offs | $ 649 | $ 607 | $ 1,379 | $ 1,997 | $ 2,636

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