Securities (Details 1) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 139,994	$ 142,119
Gross Unrealized Gains	1,768	999
Gross Unrealized Losses	108	286
Fair Value	141,654	142,832
Obligations of U.S. Government sponsored entities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	131,903	132,098
Gross Unrealized Gains	1,617	804
Gross Unrealized Losses	102	283
Fair Value	133,418	132,619
Obligations of U.S. states and political subdivisions
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	8,091	10,021
Gross Unrealized Gains	151	195
Gross Unrealized Losses	6	3
Fair Value	$ 8,236	$ 10,213