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Other Operating Income and Expense - Other Operating Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Other Income And Expenses [Abstract]        
Bank-owned life insurance $ 107 $ 108 $ 215 $ 214
Auto Club revenue 18 62 53 100
ATM fee income 116 111 216 215
Wire transfer fees 15 11 28 22
Other income 52 41 167 119
Total $ 308 $ 333 $ 679 $ 670