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Regulatory Requirements and Restrictions - New minimum capital ratios (Details)
Dec. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Regulatory requirements      
Capital conservation buffer requirement 2.50% 0.625% 1.875%
C&F Bank      
Regulatory requirements      
Total capital conservation buffer exceeded 355   525
Tier 1 capital conservation buffer exceeded 428   598