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Regulatory Requirements and Restrictions - Trust Preferred Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2007
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C&F Bank |  |
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items] |  |
Restriction on loans or advances as percent of capital stock | 10.00% |
Trust Preferred Securities Subject to Mandatory Redemption |  |
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items] |  |
Securities issued |  | $ 25,000
Securities included in Tier One Capital | $ 25,000 |

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