Commitments and Contingent Liabilities - Other (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Commitments and Contingent Liabilities
Provision for indemnifications	$ (585,000)	$ (858,000)	$ (104,000)
Indemnification reserve for recourse provisions
Commitments and Contingent Liabilities
Provision for indemnifications	$ (585,000)	$ (858,000)
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