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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, 2023
Dec. 31, 2022
Dec. 31, 2021
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 $ 19,588 $ 18,356 $ 23,470
Cash Balance Plan | Level 1      
Defined Benefit Plans      
Assets at Fair Value 19,588 18,356  
Cash Balance Plan | Mutual funds-fixed income      
Defined Benefit Plans      
Assets at Fair Value 7,835 6,975  
Cash Balance Plan | Mutual funds-fixed income | Level 1      
Defined Benefit Plans      
Assets at Fair Value 7,835 6,975  
Cash Balance Plan | Mutual funds-equity      
Defined Benefit Plans      
Assets at Fair Value 11,753 11,381  
Cash Balance Plan | Mutual funds-equity | Level 1      
Defined Benefit Plans      
Assets at Fair Value $ 11,753 $ 11,381