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Commitments and Contingencies (Tables)
 6 Months Ended
Jun. 30, 2015
Commitments and Contingencies Disclosure [Abstract]  
Schedule of contractual amount of off-balance-sheet financial instruments
    June 30,     December 31,  
(in thousands)   2015     2014  
Commitments to extend credit   $ 145,732     $ 135,137  
Commitments to originate residential first and second mortgage loans     4,393       1,640  
Standby letters of credit     1,361       1,621  
Total     151,486       138,398