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Commitments and Contingencies (Tables)
9 Months Ended
Sep. 30, 2016
Commitments and Contingencies Disclosure [Abstract]  
Schedule of contractual amount of off-balance-sheet financial instruments
    September 30,     December 31,  
(in thousands)   2016     2015  
Commitments to extend credit   $ 233,005     $ 161,306  
Commitments to originate residential first and second mortgage loans     3,273       3,175  
Standby letters of credit     1,608       1,466  
Total     237,886       165,947