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12. Revenue Recognition (Tables)
9 Months Ended
Sep. 30, 2018
Revenue Recognition Tables Abstract  
Summary of noninterest income, segregated by revenue streams
    Nine Months Ended September 30,     Three Months Ended September 30, 2018  
    2018     2017     2018     2017  
                         
Noninterest Income (in thousands)                        
     In-scope of Topic 606:                        
Service Charges on Deposits   $ 1,102     $ 1,010     $ 378     $ 359  
        Investment Services and Insurance Income     659       530       239       169  
Title Insurance Income     966       668       404       247  
ATM and check card fees     1,130       1,034       395       353  
Other     390       368       142       129  
Noninterest Income (in-scope of Topic 606)     4,247       3,610       1,556       1,257  
Noninterest Income (out-of-scope of Topic 606)     1,632       2,330       591       888  
Total Noninterest Income   $ 5,879     $ 5,940     $ 2,147     $ 2,145