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Loans and Allowance for Credit Losses - Additional Information II (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
contract
Mar. 31, 2019
USD ($)
contract
Loans and Allowance for Credit Losses    
Number of TDR loans 13 13
Troubled Debt Restructurings | $ $ 20,379 $ 26,715
Number of loans - restructured accruing 11 10
Restructured accruing | $ $ 17,872 $ 26,177
Number of defaulted loans charged-off 0  
Number of loans modified in TDR 4 1
Recorded investment - loans modified in TDR | $ $ 1,300 $ 2,300