Premises and Equipment and Held for Sale Premises and Equipment (Property, Plant and Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Premises and Equipment and Held for Sale Premises and Equipment [Abstract]
Land	$ 4,172	$ 4,172
Building and improvements	22,586	19,737
Furniture and equipment	8,989	8,310
Automobiles	313	382
Total cost	36,060	32,601
Less accumulated depreciation	13,855	12,445
Premises and equipment, net	$ 22,205	$ 20,156