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Borrowings - Statutory Trusts (Details) - Trust Preferred Securities Subject to Mandatory Redemption - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2007
Long-term borrowings
Securities issued		$ 25,000
Common Stock
Long-term borrowings
Securities issued	$ 775
Private Placement
Long-term borrowings
Securities issued	$ 25,000
London Interbank Offered Rate (LIBOR) | Minimum
Long-term borrowings
Variable rate, basis spread (as a percent)	1.57%
London Interbank Offered Rate (LIBOR) | Maximum
Long-term borrowings
Variable rate, basis spread (as a percent)	3.15%
CVBK Trust I
Long-term borrowings
Securities issued	$ 5,000
Interest rate (as a percent)	4.64%
Principal asset of Trust, notes receivable from reporting entity	$ 5,160
C&F Financial Statutory Trust I
Long-term borrowings
Securities issued	$ 10,000
Interest rate (as a percent)	3.32%
Principal asset of Trust, notes receivable from reporting entity	$ 10,310
CF Financial Statutory Trust II
Long-term borrowings
Securities issued	$ 10,000
Interest rate (as a percent)	5.10%
Principal asset of Trust, notes receivable from reporting entity	$ 10,310

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