Loans (Schedule Of Contractual Aging Of Recorded Investment In Past Due Loans By Class) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	$ 10,435	$ 14,166	$ 8,540
Past Due, 60-89 days	3,183	4,380	6,019
Past Due, > 90 days	32,835	38,761	18,112
Past Due, Total	46,453	57,307	32,671
Current	919,731	925,921	956,472
Recorded Investment > 90 days and Accruing		344	2
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	367	904	315
Past Due, 60-89 days	20	324	1,476
Past Due, > 90 days	2,334	2,544	1,964
Past Due, Total	2,721	3,772	3,755
Current	89,339	95,252	88,532
Recorded Investment > 90 days and Accruing
Owner-Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	1,074	4,241	1,284
Past Due, 60-89 days	888	197	379
Past Due, > 90 days	590	664	1,648
Past Due, Total	2,552	5,102	3,311
Current	149,795	153,652	177,632
Recorded Investment > 90 days and Accruing
Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	480	1,566	1,167
Past Due, 60-89 days	101	1,752	137
Past Due, > 90 days	1,287	1,705	976
Past Due, Total	1,868	5,023	2,280
Current	279,023	265,203	240,151
Recorded Investment > 90 days and Accruing
Land And Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	1,756	1,539	12
Past Due, 60-89 days	79	116	152
Past Due, > 90 days	12,634	16,392	8,423
Past Due, Total	14,469	18,047	8,587
Current	69,914	74,988	85,877
Recorded Investment > 90 days and Accruing		344
Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days		106
Past Due, 60-89 days
Past Due, > 90 days	153	979	152
Past Due, Total	153	1,085	152
Current	1,640	1,851	12,071
Recorded Investment > 90 days and Accruing
Non-Jumbo [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	3,819	4,730	5,427
Past Due, 60-89 days	950	1,624	1,265
Past Due, > 90 days	3,139	2,336	4,459
Past Due, Total	7,908	8,690	11,151
Current	209,413	213,043	217,054
Recorded Investment > 90 days and Accruing
Jumbo [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	2,160	699
Past Due, 60-89 days	1,050		2,302
Past Due, > 90 days	12,592	13,965
Past Due, Total	15,802	14,664	2,302
Current	46,159	46,871	58,515
Recorded Investment > 90 days and Accruing
Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	450
Past Due, 60-89 days	7	223	209
Past Due, > 90 days	69	91	378
Past Due, Total	526	314	587
Current	51,167	50,584	50,297
Recorded Investment > 90 days and Accruing
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	329	381	335
Past Due, 60-89 days	88	144	99
Past Due, > 90 days	37	85	112
Past Due, Total	454	610	546
Current	20,758	21,715	23,227
Recorded Investment > 90 days and Accruing			2
Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days
Past Due, 60-89 days
Past Due, > 90 days
Past Due, Total
Current	2,523	2,762	3,116
Recorded Investment > 90 days and Accruing