Bank Premises and Equipment (Premises and Equipment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 23,667	$ 21,387
Less accumulated depreciation	(9,674)	(9,162)
Property, plant and equipment, net, total	13,993	12,225
Depreciation	1,485	1,235	$ 1,250
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,906	2,712
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	10,789	10,116
Furniture, Fixtures, and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	8,742	7,236
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,212	826
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 18	$ 497