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Investment Securities (Unrealized Gain (Loss) on Investments) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Schedule of Investments [Line Items]    
Amortized Cost $ 120,930 $ 123,935
Unrealized Gains 2,135 1,813
Unrealized Losses 1,656 2,945
Available for sale Securities, Fair Value 121,409 122,803
U.S. Treasury and U.S. government agencies [Member]
   
Schedule of Investments [Line Items]    
Amortized Cost 12,058 12,134
Unrealized Gains 528 700
Unrealized Losses 15  
Available for sale Securities, Fair Value 12,571 12,834
Mortgage-backed U.S. government agencies [Member]
   
Schedule of Investments [Line Items]    
Amortized Cost 36,003 39,481
Unrealized Gains 390 349
Unrealized Losses 276 438
Available for sale Securities, Fair Value 36,117 39,392
State and political subdivision obligations [Member]
   
Schedule of Investments [Line Items]    
Amortized Cost 71,319 70,770
Unrealized Gains 1,187 744
Unrealized Losses 1,336 2,476
Available for sale Securities, Fair Value 71,170 69,038
Equity securities [Member]
   
Schedule of Investments [Line Items]    
Amortized Cost 1,550 1,550
Unrealized Gains 30 20
Unrealized Losses 29 31
Available for sale Securities, Fair Value $ 1,551 $ 1,539