Investment Securities (Details 4) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair Value
Fair Value, Less than 12 Months	$ 44,050	$ 58,861
Fair Value, 12 Months or More	20,951	21,425
Fair Value, Total	65,001	80,286
Unrealized Losses
Unrealized Losses, Less than 12 Months	288	582
Unrealized Losses, 12 Months or More	1,113	1,328
Unrealized Losses, Total	1,401	1,910
U.S. Government agencies and corporations
Fair Value
Fair Value, Less than 12 Months		1,974
Fair Value, 12 Months or More		1,947
Fair Value, Total		3,921
Unrealized Losses
Unrealized Losses, Less than 12 Months		25
Unrealized Losses, 12 Months or More		43
Unrealized Losses, Total		68
Obligations of states and political subdivisions
Fair Value
Fair Value, Less than 12 Months	8,811	5,439
Fair Value, 12 Months or More	2,400	2,125
Fair Value, Total	11,211	7,564
Unrealized Losses
Unrealized Losses, Less than 12 Months	67	61
Unrealized Losses, 12 Months or More	10	59
Unrealized Losses, Total	77	120
U.S. Government-sponsored mortgage-backed securities
Fair Value
Fair Value, Less than 12 Months	27,921	35,081
Fair Value, 12 Months or More	17,825	16,575
Fair Value, Total	45,746	51,656
Unrealized Losses
Unrealized Losses, Less than 12 Months	198	315
Unrealized Losses, 12 Months or More	193	364
Unrealized Losses, Total	391	679
U.S. Government-sponsored collateralized mortgage obligations
Fair Value
Fair Value, Less than 12 Months	2,514	13,530
Fair Value, Total	2,514	13,530
Unrealized Losses
Unrealized Losses, Less than 12 Months	10	135
Unrealized Losses, Total	10	135
U.S. Government-guaranteed small business administration pools
Fair Value
Fair Value, Less than 12 Months	4,804	2,837
Fair Value, Total	4,804	2,837
Unrealized Losses
Unrealized Losses, Less than 12 Months	13	46
Unrealized Losses, Total	13	46
Trust preferred securities
Fair Value
Fair Value, 12 Months or More	726	778
Fair Value, Total	726	778
Unrealized Losses
Unrealized Losses, 12 Months or More	910	862
Unrealized Losses, Total	$ 910	$ 862