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Employee Benefit Plans - Defined Benefit Plans - Fair Value of Defined Benefit Plan Assets (Details) - C&F Bank - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Mutual funds-fixed income
Defined Benefit Plans
Target asset allocations	40.00%
Mutual funds-equity
Defined Benefit Plans
Target asset allocations	60.00%
Cash Balance Plan
Defined Benefit Plans
Assets at Fair Value	$ 21,157	$ 19,588	$ 18,356
Cash Balance Plan | Level 1
Defined Benefit Plans
Assets at Fair Value	21,157	19,588
Cash Balance Plan | Mutual funds-fixed income
Defined Benefit Plans
Assets at Fair Value	7,828	7,835
Cash Balance Plan | Mutual funds-fixed income | Level 1
Defined Benefit Plans
Assets at Fair Value	7,828	7,835
Cash Balance Plan | Mutual funds-equity
Defined Benefit Plans
Assets at Fair Value	13,329	11,753
Cash Balance Plan | Mutual funds-equity | Level 1
Defined Benefit Plans
Assets at Fair Value	$ 13,329	$ 11,753

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Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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