Available-For-Sale Securities - Amortized Cost and Fair Value of Investment Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Amortized Cost
Due in one year or less	$ 1,532
Due from one to five years	12,375
Due from five to ten years	11,219
Due after ten years	4,486
Agency mortgage-backed: residential	28,250
Total	57,862
Fair Value
Due in one year or less	1,543
Due from one to five years	12,582
Due from five to ten years	11,616
Due after ten years	4,017
Agency mortgage-backed: residential	28,783
Fair Value	$ 58,541	$ 60,200