Premises, Furniture, and Equipment (Schedule of Premises, Furniture and Equipment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Total Premises, Furniture and Equipment	$ 92,761	$ 78,652
Less: Accumulated Depreciation	(44,531)	(40,835)
Total	48,230	37,817
Depreciation expense	3,774	3,310	$ 3,409
Land
Property, Plant and Equipment [Line Items]
Total Premises, Furniture and Equipment	10,255	9,228
Buildings and Improvements
Property, Plant and Equipment [Line Items]
Total Premises, Furniture and Equipment	55,676	45,924
Furniture and Equipment
Property, Plant and Equipment [Line Items]
Total Premises, Furniture and Equipment	$ 26,830	$ 23,500