Loans And Allowance For Loan Losses (Recorded Investment In Loans On Nonaccrual Status) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual loans	$ 24,109	$ 19,858
Commercial Real Estate Portfolio Segment [Member] | Real Estate Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual loans	7,620	3,543
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual loans	625	562
Residential Portfolio Segment [Member] | Real Estate Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual loans	2,951	1,729
Real Estate Construction [Member] | One-To-Four Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual loans	448	448
Commercial Portfolio Segment [Member] | Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual loans	12,408	13,491
Consumer Portfolio Segment [Member] | Other Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual loans	$ 57	$ 85