Premises and Equipment Class of Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Total cost	$ 23,237	$ 21,672
Less accumulated depreciation	(10,182)	(9,819)
Premises and equipment, net	13,055	11,853
Land and land improvements [Member]
Property, Plant and Equipment [Line Items]
Total cost	2,617	2,615
Building and improvements [Member]
Property, Plant and Equipment [Line Items]
Total cost	12,288	10,710
Furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Total cost	7,890	7,101
Construction in progress and deposits on equipment [Member]
Property, Plant and Equipment [Line Items]
Total cost	$ 442	$ 1,246