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9. Related Party Transactions (Tables)
12 Months Ended
Dec. 31, 2015
Related Party Transactions [Abstract]  
Summary of activity for related party loans
(Dollars in thousands)            
    2015     2014  
Beginning balance   $ 4,760       4,340  
New loans     6,018       6,903  
Repayments     (6,700 )     (6,483 )
                 
Ending balance   $ 4,078       4,760