Securities, Available for Sale Table of Amortized Cost and Fair Value by Contractual Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Amortized Cost
Due in one year or less	$ 22,846	$ 20,347
Due after one year through five years	66,063	76,967
Due after five years through ten years	49,036	56,133
Due after ten years	7,026	23,993
Asset backed securities	1,459	1,525
Amortized cost	146,430	178,965
Fair Value
Due in one year or less	22,833	20,319
Due after one year through five years	65,841	76,578
Due after five years through ten years	48,381	56,240
Due after ten years	6,872	23,929
Asset backed securities	1,460	1,529
Fair Value	$ 145,387	$ 178,595