Investment Securities (Details 3) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Fair Value
Fair Value, Less than 12 Months	$ 56,808	$ 67,928
Fair Value, 12 Months or More	35,843	37,336
Fair Value, Total	92,651	105,264
Unrealized Losses
Unrealized Losses, Less than 12 Months	1,413	2,441
Unrealized Losses, 12 Months or More	2,095	3,113
Unrealized Losses, Total	3,508	5,554
U.S. Government agencies and corporations
Fair Value
Fair Value, Less than 12 Months	4,026	7,144
Fair Value, 12 Months or More	1,844	1,803
Fair Value, Total	5,870	8,947
Unrealized Losses
Unrealized Losses, Less than 12 Months	17	129
Unrealized Losses, 12 Months or More	142	183
Unrealized Losses, Total	159	312
Obligations of states and political subdivisions
Fair Value
Fair Value, Less than 12 Months	10,986	19,785
Fair Value, 12 Months or More	2,035	1,883
Fair Value, Total	13,021	21,668
Unrealized Losses
Unrealized Losses, Less than 12 Months	508	1,142
Unrealized Losses, 12 Months or More	209	365
Unrealized Losses, Total	717	1,507
U.S. Government-sponsored mortgage-backed and related securities
Fair Value
Fair Value, Less than 12 Months	34,682	34,424
Fair Value, 12 Months or More	30,911	29,922
Fair Value, Total	65,593	64,346
Unrealized Losses
Unrealized Losses, Less than 12 Months	785	1,044
Unrealized Losses, 12 Months or More	760	833
Unrealized Losses, Total	1,545	1,877
U.S. Government-sponsored collateralized mortgage obligations
Fair Value
Fair Value, Less than 12 Months	7,114	6,575
Fair Value, 12 Months or More	310	2,095
Fair Value, Total	7,424	8,670
Unrealized Losses
Unrealized Losses, Less than 12 Months	103	126
Unrealized Losses, 12 Months or More	2	14
Unrealized Losses, Total	105	140
Trust preferred securities
Fair Value
Fair Value, Less than 12 Months
Fair Value, 12 Months or More	743	1,633
Fair Value, Total	743	1,633
Unrealized Losses
Unrealized Losses, Less than 12 Months
Unrealized Losses, 12 Months or More	982	1,718
Unrealized Losses, Total	$ 982	$ 1,718