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Commitments and Contingent Liabilities - Other (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Indemnification reserve for recourse provisions    
Commitments and Contingent Liabilities    
Provision for indemnifications $ (858,000) $ (104,000)
C&F Mortgage    
Commitments and Contingent Liabilities    
Recourse period for early payment default, minimum 90 days  
Recourse period for early payment default, maximum 1 year