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Investments (Narrative) (Details)
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 30, 2015
USD ($)
security
$ / shares
Jun. 30, 2014
USD ($)
Dec. 31, 2014
USD ($)
security
Dec. 31, 2013
USD ($)
Schedule of Available-for-sale Securities [Line Items]        
Impairment writedown on securities recognized in earnings $ 20      
Additional impairment charge on investments 0      
Available-for-sale Securities 176,424   $ 171,751  
Proceeds from Sale and Maturity of Available-for-sale Securities 1,381 $ 1,582    
Securities pledged as collateral 69,300   91,600  
Gross Unrealized Losses 1,580   1,393  
Cumulative OTTI Charges $ 555 $ 515 $ 535 $ 515
Number of temporarily impaired securities | security 91   70  
Fair value of temporarily impaired securities $ 59,929   $ 45,488  
Restricted stock 439   438  
Federal Home Loan Bank of Pittsburgh [Member]        
Schedule of Available-for-sale Securities [Line Items]        
Restricted stock $ 30      
Restricted stock per share | $ / shares $ 100      
Municipal Securities [Member]        
Schedule of Available-for-sale Securities [Line Items]        
Available-for-sale Securities $ 72,132   68,366  
Gross Unrealized Losses $ 604   $ 292  
Number of temporarily impaired securities | security 40   23  
Fair value of temporarily impaired securities $ 25,134   $ 15,092  
Equity Securities [Member]        
Schedule of Available-for-sale Securities [Line Items]        
Available-for-sale Securities 242   1,053  
Trust Preferred Securities [Member]        
Schedule of Available-for-sale Securities [Line Items]        
Available-for-sale Securities 5,328   5,137  
Gross Unrealized Gain (Loss) (621)      
Gross Unrealized Losses $ 621   $ 803  
Number of temporarily impaired securities | security 7   7  
Fair value of temporarily impaired securities $ 5,328   $ 5,137  
Private-Label Mortgage-Backed Securities [Member]        
Schedule of Available-for-sale Securities [Line Items]        
Available-for-sale Securities 1,560   1,695  
Gross Unrealized Gain (Loss) 58      
Gross Unrealized Losses     $ 15  
Cumulative OTTI Charges $ 555      
Number of temporarily impaired securities | security     1  
Fair value of temporarily impaired securities     $ 540  
Period of determining credit related loss, in days 60 days