Troubled Debt Restructurings (Schedule of Troubled Debt Restructurings on Financing Receivables) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) contract	Dec. 31, 2014 USD ($) contract	Dec. 31, 2013 USD ($) contract
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts | contract	3	5	5
Pre-Modification Outstanding Recorded Investment	$ 794	$ 2,746	$ 2,130
Post-Modification Outstanding Recorded Investment	$ 794	$ 1,974	$ 2,130
Commercial - Non Real Estate Commercial And Industrial [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts | contract		2
Pre-Modification Outstanding Recorded Investment		$ 941
Post-Modification Outstanding Recorded Investment		$ 639
Construction And Farmland Commercial [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts | contract		1	2
Pre-Modification Outstanding Recorded Investment		$ 1,520	$ 1,608
Post-Modification Outstanding Recorded Investment		$ 1,050	$ 1,608
Residential Equity Lines [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts | contract		1	1
Pre-Modification Outstanding Recorded Investment		$ 69	$ 184
Post-Modification Outstanding Recorded Investment		$ 69	$ 184
Residential Single Family Financing Receivable [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts | contract	3	1	2
Pre-Modification Outstanding Recorded Investment	$ 794	$ 216	$ 338
Post-Modification Outstanding Recorded Investment	$ 794	$ 216	$ 338