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Repurchase Reserve Liability (Tables)
 12 Months Ended
Dec. 31, 2016
Repurchase Reserve Liability [Abstract]  
Schedule of repurchase reserve liability
(in thousands)
    
2016
    
2015
    
2014
  
Balance at beginning of year
       $ 160         $ 160         $ 160    
Provision for repurchase liability         2           40           0    
Reimbursement of expenses         (2)           (40)           0    
Balance at end of year
       $ 160         $ 160         $ 160