Investment Securities (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Available for sale, Amortized Cost, Due in one year or less	$ 6,055
Available for sale, Amortized Cost, Due after one year through five years	42,500
Available for sale, Amortized Cost, Due after five years through ten years	3,894
Available for sale, Amortized Cost, Due after ten years	83,712
Available for sale, Amortized Cost, Debt maturities	136,161
Available for sale, Amortized Cost, Total	136,767
Available for sale, Estimated Fair Value, Due in one year or less	6,066
Available for sale, Estimated Fair Value, Due after one year through five years	42,372
Available for sale, Estimated Fair Value, Due after five years through ten years	3,936
Available for sale, Estimated Fair Value, Due after ten years	82,880
Available for sale, Estimated Fair Value, Debt maturities	135,254
Available for sale, Estimated Fair Value, Total	135,862	145,508
Held to maturity securities, Amortized Cost, Due in one year or less	413
Held to maturity securities, Amortized Cost, Due after one year through five years	433
Held to maturity securities, Amortized Cost, Due after five years through ten years	1,007
Held to maturity securities, Amortized Cost, Due after ten years	504
Held to maturity securities, Amortized Cost, Debt maturities	2,357
Held to maturity securities, Amortized Cost, Total	2,357	2,657
Held to maturity securities, Estimated Fair Value, Due in one year or less	419
Held to maturity securities, Estimated Fair Value, Due after one year through five years	454
Held to maturity securities, Estimated Fair Value, Due after five years through ten years	1,077
Held to maturity securities, Estimated Fair Value, Due after ten years	521
Held to maturity securities, Estimated Fair Value, Debt maturities	2,471
Held-to-maturity securities, Estimated Fair Value, Total	2,471	2,884
Equity Securities [Member]
Available for sale, Amortized Cost, Total	606
Available for sale, Estimated Fair Value, Total	608	621
Held to maturity securities, Amortized Cost, Total	0
Held-to-maturity securities, Estimated Fair Value, Total	$ 0