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Summary of Significant Accounting Policies - Nature of Operations and Business Combination (Details) $ in Thousands | Jan. 01, 2020 USD ($) | Sep. 30, 2021 subsidiary
--- | --- | ---
Peoples Bankshares, Incorporated (Peoples) |  |
Nature of Operations |  |
Aggregate purchase price | $ | $ 22,191 |
C&F Bank |  |
Nature of Operations |  |
Number of wholly owned subsidiaries | subsidiary |  | 5
C&F Mortgage | C&F Select LLC |  |
Nature of Operations |  |
Interest owned (as a percent) |  | 51.00%

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