Allowance For Loan Losses (Summary Of Analysis Of Allowance For Loan Losses) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	$ 17,712	$ 17,224	$ 17,224
Total, Losses	6,272	7,574	9,943
Total Recoveries	378	298	431
Net losses	5,894	7,276	9,512
Provision for loan losses	6,002	8,001	10,000
Ending balance	17,820	17,949	17,712
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	771
Total, Losses	355	500	506
Total Recoveries	7	34	35
Provision for loan losses	52
Ending balance	475		771
Owner-Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,336
Total, Losses	636	501	508
Total Recoveries	24	37	37
Provision for loan losses	401
Ending balance	1,125		1,336
Non-Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	3,283
Total, Losses	436	76	78
Total Recoveries	20	31	55
Provision for loan losses	343
Ending balance	3,210		3,283
Land And Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	7,262
Total, Losses	2,319	2,446	3,568
Total Recoveries	16	8	43
Provision for loan losses	302
Ending balance	5,261		7,262
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	120
Total, Losses	367
Total Recoveries
Provision for loan losses	354
Ending balance	107		120
Non-Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	2,586
Total, Losses	1,257	2,524	3,178
Total Recoveries	51	46	83
Provision for loan losses	1,308
Ending balance	2,688		2,586
Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,331
Total, Losses	737	1,098	1,511
Total Recoveries	85	6	14
Provision for loan losses	3,618
Ending balance	4,297		1,331
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	831
Total, Losses	5	234	346
Total Recoveries	60	1	1
Provision for loan losses	(366)
Ending balance	520		831
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	160
Total, Losses	91	113	162
Total Recoveries	53	72	112
Provision for loan losses
Ending balance	122		160
Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	32
Total, Losses	69	82	86
Total Recoveries	62	63	51
Provision for loan losses	(10)
Ending balance	$ 15		$ 32