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Revenue Recognition (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disaggregation of Revenue [Line Items]    
Noninterest income (in-scope of Topic 606) $ 7,717 $ 7,185
Noninterest income (out-of-scope of Topic 606) 1,440 1,107
Total noninterest income 9,157 8,292
Service charges on deposit accounts    
Disaggregation of Revenue [Line Items]    
Noninterest income (in-scope of Topic 606) 3,178 3,028
ATM and check card fees    
Disaggregation of Revenue [Line Items]    
Noninterest income (in-scope of Topic 606) 2,256 2,140
Wealth management fees    
Disaggregation of Revenue [Line Items]    
Noninterest income (in-scope of Topic 606) 1,682 1,447
Fees for other customer services    
Disaggregation of Revenue [Line Items]    
Noninterest income (in-scope of Topic 606) $ 601 $ 570