Loans And Allowance For Loan Losses (Age Analysis Of Past Due Loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 days past due	$ 4,241	$ 6,848
90 days and greater past due	15,059	19,872
Total past due	19,300	26,720
Current	1,348,088	1,244,183
Loans receivable	1,367,388	1,270,903	1,306,625
Recorded loans > 90 days and accruing		53
Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 days past due	109	128
90 days and greater past due	55	53
Total past due	164	181
Current	22,214	30,903
Loans receivable	22,378	31,084
Recorded loans > 90 days and accruing		3
Real Estate Mortgage [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 days past due	3,758	3,851
90 days and greater past due	7,504	7,766
Total past due	11,262	11,617
Current	746,616	740,662
Loans receivable	757,878	752,279
Real Estate Mortgage [Member] | One-To-Four Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 days past due	18	302
90 days and greater past due	1,274	513
Total past due	1,292	815
Current	77,693	83,173
Loans receivable	78,985	83,988
Real Estate Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans receivable	177,409	148,494	167,770
Real Estate Construction [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 days past due		569
90 days and greater past due	77	2,721
Total past due	77	3,290
Current	166,302	140,558
Loans receivable	166,379	143,848
Real Estate Construction [Member] | One-To-Four Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	11,030	4,646
Loans receivable	11,030	4,646
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 days past due	356	1,998
90 days and greater past due	6,149	8,819
Total past due	6,505	10,817
Current	324,233	244,241
Loans receivable	330,738	255,058	264,565
Recorded loans > 90 days and accruing		$ 50