Allowance For Loan Losses (Summary Of Net Unearned Income) (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
Charge-offs	6,272	7,574	9,943
Recoveries	378	298	431
Provision	6,002	8,001	10,000
Ending balance	17,820	17,949	17,712
Allowance related to: Loans individually evaluated for impairment	7,309
Allowance related to: Loans collectively evaluated for impairment	10,511
Allowance related to: Loans acquired with deteriorated credit quality
Loans individually evaluated for impairment	101,329
Loans collectively evaluated for impairment	857,424
Loans acquired with deteriorated credit quality
Total, Loans	958,753
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	771
Charge-offs	355	500	506
Recoveries	7	34	35
Provision	52
Ending balance	475		771
Allowance related to: Loans individually evaluated for impairment	86
Allowance related to: Loans collectively evaluated for impairment	389
Allowance related to: Loans acquired with deteriorated credit quality
Loans individually evaluated for impairment	12,411
Loans collectively evaluated for impairment	76,586
Loans acquired with deteriorated credit quality
Total, Loans	88,997
Owner-Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,336
Charge-offs	636	501	508
Recoveries	24	37	37
Provision	401
Ending balance	1,125		1,336
Allowance related to: Loans individually evaluated for impairment	241
Allowance related to: Loans collectively evaluated for impairment	884
Allowance related to: Loans acquired with deteriorated credit quality
Loans individually evaluated for impairment	15,946
Loans collectively evaluated for impairment	134,144
Loans acquired with deteriorated credit quality
Total, Loans	150,090
Non-Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	3,283
Charge-offs	436	76	78
Recoveries	20	31	55
Provision	343
Ending balance	3,210		3,283
Allowance related to: Loans individually evaluated for impairment	475
Allowance related to: Loans collectively evaluated for impairment	2,735
Allowance related to: Loans acquired with deteriorated credit quality
Loans individually evaluated for impairment	12,057
Loans collectively evaluated for impairment	267,075
Loans acquired with deteriorated credit quality
Total, Loans	279,132
Land And Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	7,262
Charge-offs	2,319	2,446	3,568
Recoveries	16	8	43
Provision	302
Ending balance	5,261		7,262
Allowance related to: Loans individually evaluated for impairment	2,762
Allowance related to: Loans collectively evaluated for impairment	2,499
Allowance related to: Loans acquired with deteriorated credit quality
Loans individually evaluated for impairment	31,138
Loans collectively evaluated for impairment	51,719
Loans acquired with deteriorated credit quality
Total, Loans	82,857
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	120
Charge-offs	367
Recoveries
Provision	354
Ending balance	107		120
Allowance related to: Loans individually evaluated for impairment
Allowance related to: Loans collectively evaluated for impairment	107
Allowance related to: Loans acquired with deteriorated credit quality
Loans individually evaluated for impairment
Loans collectively evaluated for impairment	2,087
Loans acquired with deteriorated credit quality
Total, Loans	2,087
Non-Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	2,586
Charge-offs	1,257	2,524	3,178
Recoveries	51	46	83
Provision	1,308
Ending balance	2,688		2,586
Allowance related to: Loans individually evaluated for impairment	502
Allowance related to: Loans collectively evaluated for impairment	2,186
Allowance related to: Loans acquired with deteriorated credit quality
Loans individually evaluated for impairment	6,420
Loans collectively evaluated for impairment	209,164
Loans acquired with deteriorated credit quality
Total, Loans	215,584
Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,331
Charge-offs	737	1,098	1,511
Recoveries	85	6	14
Provision	3,618
Ending balance	4,297		1,331
Allowance related to: Loans individually evaluated for impairment	3,211
Allowance related to: Loans collectively evaluated for impairment	1,086
Allowance related to: Loans acquired with deteriorated credit quality
Loans individually evaluated for impairment	23,094
Loans collectively evaluated for impairment	39,654
Loans acquired with deteriorated credit quality
Total, Loans	62,748
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	831
Charge-offs	5	234	346
Recoveries	60	1	1
Provision	(366)
Ending balance	520		831
Allowance related to: Loans individually evaluated for impairment	28
Allowance related to: Loans collectively evaluated for impairment	492
Allowance related to: Loans acquired with deteriorated credit quality
Loans individually evaluated for impairment	220
Loans collectively evaluated for impairment	53,235
Loans acquired with deteriorated credit quality
Total, Loans	53,455
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	160
Charge-offs	91	113	162
Recoveries	53	72	112
Provision
Ending balance	122		160
Allowance related to: Loans individually evaluated for impairment	4
Allowance related to: Loans collectively evaluated for impairment	118
Allowance related to: Loans acquired with deteriorated credit quality
Loans individually evaluated for impairment	43
Loans collectively evaluated for impairment	21,247
Loans acquired with deteriorated credit quality
Total, Loans	21,290
Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	32
Charge-offs	69	82	86
Recoveries	62	63	51
Provision	(10)
Ending balance	15		32
Allowance related to: Loans individually evaluated for impairment
Allowance related to: Loans collectively evaluated for impairment	15
Allowance related to: Loans acquired with deteriorated credit quality
Loans individually evaluated for impairment
Loans collectively evaluated for impairment	2,513
Loans acquired with deteriorated credit quality
Total, Loans	$ 2,513

The balance of financing receivables that were acquired with deteriorated credit quality.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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The sum of the periodic provision charged to earnings, based on an assessment of uncollectibility from the counterparty on account of loan, lease or other credit losses, to reduce these accounts to the amount that approximates their net realizable value.

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