Securities (Details 1) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost $ 144,650 $ 146,071
Gross Unrealized Gains 6,976 1,063
Gross Unrealized Losses 0 448
Fair Value 151,626 146,686
Obligations of U.S. Government Sponsored Entities [Member]    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 132,195 132,482
Gross Unrealized Gains 6,592 649
Gross Unrealized Losses 0 444
Fair Value 138,787 132,687
Obligations of U.S. States and Political Subdivisions [Member]    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 12,455 13,589
Gross Unrealized Gains 384 414
Gross Unrealized Losses 0 4
Fair Value $ 12,839 $ 13,999