Business Combinations, Goodwill and Intangible Assets (Schedule of Acquired Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Gross Amount	$ 14,460	$ 14,460
Accumulated Amortization	13,176	12,386
Core Banking | Core Deposit Intangible
Business Acquisition [Line Items]
Gross Amount	9,004	9,004
Accumulated Amortization	7,748	7,015
Core Banking | Unidentified Branch Acquisition Intangible
Business Acquisition [Line Items]
Gross Amount	257	257
Accumulated Amortization	257	257
Insurance | Customer List
Business Acquisition [Line Items]
Gross Amount	5,199	5,199
Accumulated Amortization	$ 5,171	$ 5,114