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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, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
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 | $ 26,287 | $ 22,806 | $ 20,156
Cash Balance Plan | Level 1 |  |  |
Defined Benefit Plans |  |  |
Assets at Fair Value | 26,287 | 22,806 |
Cash Balance Plan | Mutual funds-fixed income |  |  |
Defined Benefit Plans |  |  |
Assets at Fair Value | 9,726 | 8,744 |
Cash Balance Plan | Mutual funds-fixed income | Level 1 |  |  |
Defined Benefit Plans |  |  |
Assets at Fair Value | 9,726 | 8,744 |
Cash Balance Plan | Mutual funds-equity |  |  |
Defined Benefit Plans |  |  |
Assets at Fair Value | 16,561 | 14,062 |
Cash Balance Plan | Mutual funds-equity | Level 1 |  |  |
Defined Benefit Plans |  |  |
Assets at Fair Value | $ 16,561 | $ 14,062 |

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