Investment Securities (Details 2) $ in Thousands	Dec. 31, 2015 USD ($)
Fair value
Less than 12 months	$ 3,476
12 months or longer	33,619
Total temporarily impaired securities	37,095
Unrealized losses
Less than 12 months	(166)
12 months or longer	(6,516)
Total Unrealized losses on temporarily impaired securities	$ (6,682)