Securities (Details 1) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 141,545	$ 142,119
Gross Unrealized Gains	1,109	999
Gross Unrealized Losses	209	286
Fair Value	142,445	142,832
Obligations of U.S. Government sponsored entities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	132,001	132,098
Gross Unrealized Gains	961	804
Gross Unrealized Losses	206	283
Fair Value	132,756	132,619
Obligations of U.S. states and political subdivisions
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	9,544	10,021
Gross Unrealized Gains	148	195
Gross Unrealized Losses	3	3
Fair Value	$ 9,689	$ 10,213