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5. Time Deposits (Tables)
 12 Months Ended
Dec. 31, 2015
Banking and Thrift [Abstract]  
Scheduled maturities of time deposits
(Dollars in thousands)    
     
2016   $ 97,586
2017     27,702
2018     24,122
2019     3,019
2020 and thereafter     4,463
       
Total   $ 156,892