Investment Securities (Details 1) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Fair Value
Less than 12 months	$ 67,661	$ 102,205
12 months or more	3,376	45,296
Total	71,037	147,501
Unrealized Losses
Less than 12 months	(340)	(848)
12 months or more	(50)	(1,166)
Total	(390)	(2,014)
U.S. government and federal agency obligations
Fair Value
Less than 12 months	11,827
12 months or more	0
Total	11,827
Unrealized Losses
Less than 12 months	(121)
12 months or more	0
Total	(121)
Government sponsored enterprises
Fair Value
Less than 12 months	9,001	43,539
12 months or more	0	1,002
Total	9,001	44,541
Unrealized Losses
Less than 12 months	(10)	(222)
12 months or more	0	(13)
Total	(10)	(235)
Obligations of states and political subdivisions
Fair Value
Less than 12 months	15,202	2,571
12 months or more	0	718
Total	15,202	3,289
Unrealized Losses
Less than 12 months	(100)	(6)
12 months or more	0	(5)
Total	(100)	(11)
Mortgage-backed securities | Residential - government agencies
Fair Value
Less than 12 months	31,631	56,095
12 months or more	3,376	43,576
Total	35,007	99,671
Unrealized Losses
Less than 12 months	(109)	(620)
12 months or more	(50)	(1,148)
Total	$ (159)	$ (1,768)