Regulatory Requirements and Restrictions - Capital Amounts and Ratios (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Regulatory requirements
Risk-weighted assets	$ 1,320,000	$ 1,200,000
Total Capital (to Risk-Weighted Assets)
Actual (in Dollars)	$ 195,927	$ 183,781
Actual	14.90%	15.30%
Minimum capital requirements (in Dollars)	$ 105,544	$ 96,274
Minimum capital requirements	8.00%	8.00%
Tier 1 Capital (to Risk-Weighted Assets)
Actual (in Dollars)	$ 179,233	$ 168,504
Actual	13.60%	14.00%
Minimum capital requirements (in Dollars)	$ 79,158	$ 72,205
Minimum capital requirements	6.00%	6.00%
Common Equity Tier 1 Capital (to Risk-Weighted Assets)
Actual (in Dollars)	$ 154,233	$ 143,590
Actual	11.70%	11.90%
Minimum capital requirements (in Dollars)	$ 59,369	$ 54,154
Minimum capital requirements	4.50%	4.50%
Tier 1 Capital (to Average Tangible Assets)
Actual (in Dollars)	$ 179,233	$ 168,504
Actual	11.10%	11.30%
Minimum capital requirements (in Dollars)	$ 64,863	$ 59,759
Minimum capital requirements	4.00%	4.00%
C&F Bank
Regulatory requirements
Risk-weighted assets	$ 1,290,000	$ 1,200,000
Total Capital (to Risk-Weighted Assets)
Actual (in Dollars)	$ 181,369	$ 181,685
Actual	14.00%	15.10%
Minimum capital requirements (in Dollars)	$ 103,307	$ 96,088
Minimum capital requirements	8.00%	8.00%
Minimum to be well capitalized under prompt corrective action provisions (in Dollars)	$ 129,134	$ 120,110
Minimum to be well capitalized under prompt corrective action provisions	10.00%	10.00%
Tier 1 Capital (to Risk-Weighted Assets)
Actual (in Dollars)	$ 165,021	$ 166,437
Actual	12.80%	13.90%
Minimum capital requirements (in Dollars)	$ 77,480	$ 72,066
Minimum capital requirements	6.00%	6.00%
Minimum to be well capitalized under prompt corrective action provisions (in Dollars)	$ 103,307	$ 96,088
Minimum to be well capitalized under prompt corrective action provisions	8.00%	8.00%
Common Equity Tier 1 Capital (to Risk-Weighted Assets)
Actual (in Dollars)	$ 165,021	$ 166,437
Actual	12.80%	13.90%
Minimum capital requirements (in Dollars)	$ 58,110	$ 54,050
Minimum capital requirements	4.50%	4.50%
Minimum to be well capitalized under prompt corrective action provisions (in Dollars)	$ 83,937	$ 78,072
Minimum to be well capitalized under prompt corrective action provisions	6.50%	6.50%
Tier 1 Capital (to Average Tangible Assets)
Actual (in Dollars)	$ 165,021	$ 166,437
Actual	10.30%	11.20%
Minimum capital requirements (in Dollars)	$ 64,201	$ 59,666
Minimum capital requirements	4.00%	4.00%
Minimum to be well capitalized under prompt corrective action provisions (in Dollars)	$ 80,251	$ 74,582
Minimum to be well capitalized under prompt corrective action provisions	5.00%	5.00%

Common Equity Tier 1 Risk Based Capital as defined in the regulations.

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The amount of total capital as defined in the regulations.

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The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action.

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Total Capital divided by risk weighted assets as defined in the regulations.

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Amount of risk-weighted assets as calculated in accordance with U.S. Federal regulatory capital standards.

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Tier 1 Risk Based Capital as defined in the regulations.

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