Allowance For Loan Losses (Recorded Investment Segregated By Amounts Individually Or Collectively In Allowance For Loan Losses) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	$ 725,070	$ 707,644
Balance, end of period: Individually evaluated for impairment	11,611	13,093
Balance, end of period: Collectively evaluated for impairment	713,459	694,551
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	289,389	273,432
Balance, end of period: Individually evaluated for impairment	1,956	2,452
Balance, end of period: Collectively evaluated for impairment	287,433	270,980
Real Estate Construction One-To- Four Family [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	30,284	32,573
Balance, end of period: Individually evaluated for impairment	1,240	794
Balance, end of period: Collectively evaluated for impairment	29,044	31,779
Real Estate Construction Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	22,511	21,061
Balance, end of period: Individually evaluated for impairment	2,497	2,748
Balance, end of period: Collectively evaluated for impairment	20,014	18,313
Real Estate Term Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	76,854	78,107
Balance, end of period: Individually evaluated for impairment	1,486	1,083
Balance, end of period: Collectively evaluated for impairment	75,368	77,024
Real Estate Term Non-Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	239,377	234,643
Balance, end of period: Individually evaluated for impairment	2,223	2,260
Balance, end of period: Collectively evaluated for impairment	237,154	232,383
Real Estate Term Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	31,626	31,809
Balance, end of period: Individually evaluated for impairment	1,605	3,505
Balance, end of period: Collectively evaluated for impairment	30,021	28,304
Consumer Secured By 1st Deed Of Trust [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	17,036	17,714
Balance, end of period: Individually evaluated for impairment	374	93
Balance, end of period: Collectively evaluated for impairment	16,662	17,621
Consumer Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Financing Receivables	17,993	18,305
Balance, end of period: Individually evaluated for impairment	230	158
Balance, end of period: Collectively evaluated for impairment	$ 17,763	$ 18,147