Regulatory Requirements and Restrictions - Capital Amounts and Ratios (Details) $ in Thousands	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Regulatory requirements
Risk-weighted assets	$ 1,950,000	$ 1,820,000
Total Capital (to Risk-Weighted Assets)
Actual (in Dollars)	$ 289,396	$ 280,606
Actual	0.148	0.154
Minimum capital requirements (in Dollars)	$ 155,927	$ 145,958
Minimum capital requirements	0.080	0.080
Tier 1 Capital (to Risk-Weighted Assets)
Actual (in Dollars)	$ 244,830	$ 233,581
Actual	0.126	0.128
Minimum capital requirements (in Dollars)	$ 116,945	$ 109,468
Minimum capital requirements	0.060	0.060
Common Equity Tier 1 Capital (to Risk-Weighted Assets)
Actual (in Dollars)	$ 219,830	$ 208,581
Actual	0.113	0.114
Minimum capital requirements (in Dollars)	$ 87,709	$ 82,101
Minimum capital requirements	0.045	0.045
Tier 1 Capital (to Average Tangible Assets)
Actual (in Dollars)	$ 244,830	$ 233,581
Actual	0.101	0.099
Minimum capital requirements (in Dollars)	$ 97,449	$ 94,562
Minimum capital requirements	0.040	0.040
C&F Bank
Regulatory requirements
Risk-weighted assets	$ 1,920,000	$ 1,800,000
Total Capital (to Risk-Weighted Assets)
Actual (in Dollars)	$ 271,952	$ 255,719
Actual	0.141	0.142
Minimum capital requirements (in Dollars)	$ 153,816	$ 144,074
Minimum capital requirements	0.080	0.080
Minimum to be well capitalized under prompt corrective action provisions (in Dollars)	$ 192,270	$ 180,093
Minimum to be well capitalized under prompt corrective action provisions	0.100	0.100
Tier 1 Capital (to Risk-Weighted Assets)
Actual (in Dollars)	$ 247,712	$ 232,985
Actual	0.129	0.129
Minimum capital requirements (in Dollars)	$ 115,362	$ 108,056
Minimum capital requirements	0.060	0.060
Minimum to be well capitalized under prompt corrective action provisions (in Dollars)	$ 153,816	$ 144,074
Minimum to be well capitalized under prompt corrective action provisions	0.080	0.080
Common Equity Tier 1 Capital (to Risk-Weighted Assets)
Actual (in Dollars)	$ 247,712	$ 232,985
Actual	0.129	0.129
Minimum capital requirements (in Dollars)	$ 86,522	$ 81,042
Minimum capital requirements	0.045	0.045
Minimum to be well capitalized under prompt corrective action provisions (in Dollars)	$ 124,976	$ 117,060
Minimum to be well capitalized under prompt corrective action provisions	0.065	0.065
Tier 1 Capital (to Average Tangible Assets)
Actual (in Dollars)	$ 247,712	$ 232,985
Actual	0.103	0.099
Minimum capital requirements (in Dollars)	$ 96,655	$ 93,856
Minimum capital requirements	0.040	0.040
Minimum to be well capitalized under prompt corrective action provisions (in Dollars)	$ 120,819	$ 117,320
Minimum to be well capitalized under prompt corrective action provisions	0.050	0.050

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

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