Loans And Allowance For Loan Losses (Age Analysis Of Past Due Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	$ 9,904	$ 17,086
Current	1,439,526	1,382,905
Loans receivable	1,449,430	1,399,991	$ 1,351,700
Recorded loans > 90 days and accruing		137
30 Days To 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	1,017	7,673
90 Days And Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	8,887	9,413
Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	88	163
Current	20,563	21,793
Loans receivable	20,651	21,956
Other [Member] | 30 Days To 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	88	162
Other [Member] | 90 Days And Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due		1
Real Estate Mortgage [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	2,708	6,248
Current	756,698	746,723
Loans receivable	759,406	752,971
Real Estate Mortgage [Member] | Commercial Real Estate [Member] | 30 Days To 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	567	4,053
Real Estate Mortgage [Member] | Commercial Real Estate [Member] | 90 Days And Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	2,141	2,195
Real Estate Mortgage [Member] | One-To-Four Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	1,337	1,222
Current	84,001	76,309
Loans receivable	85,338	77,531
Real Estate Mortgage [Member] | One-To-Four Family Residential [Member] | 30 Days To 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	121	122
Real Estate Mortgage [Member] | One-To-Four Family Residential [Member] | 90 Days And Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	1,216	1,100
Real Estate Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans receivable	199,247	197,123	175,340
Real Estate Construction [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	416	2,250
Current	185,724	184,409
Loans receivable	186,140	186,659
Real Estate Construction [Member] | Commercial Real Estate [Member] | 30 Days To 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due		2,177
Real Estate Construction [Member] | Commercial Real Estate [Member] | 90 Days And Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	416	73
Real Estate Construction [Member] | One-To-Four Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	13,107	10,464
Loans receivable	13,107	10,464
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	5,355	7,203
Current	379,433	343,207
Loans receivable	384,788	350,410	$ 300,163
Recorded loans > 90 days and accruing		137
Commercial [Member] | 30 Days To 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	241	1,159
Commercial [Member] | 90 Days And Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	$ 5,114	$ 6,044