Investment Securities (Details 1) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Amortized Cost
Due in one year or less	$ 18,149
Due after one year through five years	40,630
Due after five year through ten years	10,013
Due after ten years	531
Total	69,323
Asset-backed securities	175,869
Amortized Cost	245,192	$ 236,008
Fair Value
Due in one year or less	18,155
Due after one year through five years	40,934
Due after five year through ten years	10,312
Due after ten years	529
Total	69,930
Asset-backed securities	175,843
Fair value	$ 245,773	$ 235,054