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Allowance for Credit Losses (Non-accrual Basis By Loan Class) (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | $ 1,571 | $ 1,921
Commercial, financial and agricultural | Domestic | Commercial. |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 238 | 298
Commercial, financial and agricultural | Domestic | Commercial real estate: farmland & commercial |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 333 | 562
Commercial, financial and agricultural | Domestic | Commercial real estate: multifamily |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 123 | 131
Obligations of states and political subdivisions | Domestic | Commercial Real Estate: other construction and land development |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | 564 | 589
Real estate - mortgage | Domestic | Residential: first lien |  |
Loan loss allowances, financing receivable past due |  |
Non-accrual loans, total | $ 313 | $ 341

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