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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2015
Commitments and Contingencies [Abstract]  
Financial instruments whose contract amounts represent credit risk
The following financial instruments whose contract amounts represent credit risk were outstanding at December 31:

 
 
2015
  
2014
 
 
 
(in thousands)
 
Commitments to extend credit:
 
  
 
Home equity lines of credit
 
$
41,995
  
$
43,372
 
Commercial real estate, construction and development loans committed but not funded
  
18,113
   
21,839
 
Other lines of credit (principally commercial)
  
73,213
   
70,368
 
Total
 
$
133,321
  
$
135,579
 
 
        
Letters of credit
 
$
3,473
  
$
3,586