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Employee Benefit Plans - Defined Benefit Plans - Fair Value of Defined Benefit Plan Assets (Details) - C&F Bank - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Mutual funds-fixed income      
Defined Benefit Plans      
Target asset allocations 40.00%    
Mutual funds-equity      
Defined Benefit Plans      
Target asset allocations 60.00%    
Cash Balance Plan      
Defined Benefit Plans      
Assets at Fair Value $ 23,470 $ 26,287 $ 22,806
Cash Balance Plan | Level 1      
Defined Benefit Plans      
Assets at Fair Value 23,470 26,287  
Cash Balance Plan | Mutual funds-fixed income      
Defined Benefit Plans      
Assets at Fair Value 8,919 9,726  
Cash Balance Plan | Mutual funds-fixed income | Level 1      
Defined Benefit Plans      
Assets at Fair Value 8,919 9,726  
Cash Balance Plan | Mutual funds-equity      
Defined Benefit Plans      
Assets at Fair Value 14,551 16,561  
Cash Balance Plan | Mutual funds-equity | Level 1      
Defined Benefit Plans      
Assets at Fair Value $ 14,551 $ 16,561