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Commitments and Contingent Liabilities - Loan Commitments (Details) - C&F Bank - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Standby Letters of Credit
Commitments and Contingent Liabilities
Face amount of asset	$ 16,600	$ 19,340
Loan commitments
Commitments and Contingent Liabilities
Face amount of asset	$ 256,150	$ 244,170

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