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Allowance For Loan Losses (Impaired Loans By Class) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Dec. 31, 2011
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	$ 17,738	$ 17,738	$ 19,890
Recorded Investment	17,779	17,779	19,955
Related Allowance	3,361	3,361	4,233
Average Recorded Investment	19,700	20,065	20,871
Interest Income Recognized	210	605	846
Commercial [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	713	713	599
Recorded Investment	718	718	605
Related Allowance	475	475	544
Average Recorded Investment		744	604
Interest Income Recognized		31	26
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	6,220	6,220	6,185
Recorded Investment	6,234	6,234	6,220
Related Allowance	740	740	150
Average Recorded Investment		7,343	6,326
Interest Income Recognized		249	306
Construction And Farmland [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	1,982	1,982	3,358
Recorded Investment	1,985	1,985	3,367
Related Allowance	141	141	1,468
Average Recorded Investment		2,650	3,478
Interest Income Recognized		45	168
Residential [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	8,823	8,823	9,748
Recorded Investment	8,842	8,842	9,763
Related Allowance	2,005	2,005	2,071
Average Recorded Investment		9,328	10,463
Interest Income Recognized		280	346
All Other Loans [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance
Recorded Investment
Related Allowance
Average Recorded Investment
Interest Income Recognized
With No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	10,021	10,021	8,853
Recorded Investment	10,043	10,043	8,881
Average Recorded Investment		12,139	9,696
Interest Income Recognized		358	360
With No Related Allowance [Member] | Commercial - Non Real Estate Commercial And Industrial [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance			5
Recorded Investment			5
Related Allowance
Average Recorded Investment			2
Interest Income Recognized
With No Related Allowance [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	2,129	2,129	2,521
Recorded Investment	2,134	2,134	2,529
Average Recorded Investment		3,224	2,575
Interest Income Recognized		110	132
With No Related Allowance [Member] | Commercial Real Estate Non-Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	2,121	2,121	2,552
Recorded Investment	2,127	2,127	2,567
Average Recorded Investment		2,139	2,623
Interest Income Recognized		102	110
With No Related Allowance [Member] | Construction And Farmland Residential [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance
Recorded Investment
Related Allowance
Average Recorded Investment
Interest Income Recognized
With No Related Allowance [Member] | Construction And Farmland Commercial [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	1,757	1,757	361
Recorded Investment	1,759	1,759	361
Average Recorded Investment		2,423	466
Interest Income Recognized		38	21
With No Related Allowance [Member] | Residential Equity Lines [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	167	167	177
Recorded Investment	167	167	177
Average Recorded Investment		189	190
With No Related Allowance [Member] | Residential Single Family [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	3,847	3,847	3,237
Recorded Investment	3,856	3,856	3,242
Average Recorded Investment		4,164	3,840
Interest Income Recognized		108	97
With No Related Allowance [Member] | Residential Multifamily [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance
Recorded Investment
Related Allowance
Average Recorded Investment
Interest Income Recognized
With No Related Allowance [Member] | All Other Loans [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance
Recorded Investment
Related Allowance
Average Recorded Investment
Interest Income Recognized
With An Allowance Recorded [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	7,717	7,717	11,037
Recorded Investment	7,736	7,736	11,074
Related Allowance	3,361	3,361	4,233
Average Recorded Investment		7,926	11,175
Interest Income Recognized		247	486
With An Allowance Recorded [Member] | Commercial - Non Real Estate Commercial And Industrial [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	713	713	594
Recorded Investment	718	718	600
Related Allowance	475	475	544
Average Recorded Investment		744	602
Interest Income Recognized		31	26
With An Allowance Recorded [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance
Recorded Investment
Related Allowance
Average Recorded Investment
Interest Income Recognized
With An Allowance Recorded [Member] | Commercial Real Estate Non-Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	1,970	1,970	1,112
Recorded Investment	1,973	1,973	1,124
Related Allowance	740	740	150
Average Recorded Investment		1,980	1,128
Interest Income Recognized		37	64
With An Allowance Recorded [Member] | Construction And Farmland Residential [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance
Recorded Investment
Related Allowance
Average Recorded Investment
Interest Income Recognized
With An Allowance Recorded [Member] | Construction And Farmland Commercial [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	225	225	2,997
Recorded Investment	226	226	3,006
Related Allowance	141	141	1,468
Average Recorded Investment		227	3,012
Interest Income Recognized		7	147
With An Allowance Recorded [Member] | Residential Equity Lines [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	615	615	402
Recorded Investment	617	617	404
Related Allowance	344	344	325
Average Recorded Investment		621	404
Interest Income Recognized		8	13
With An Allowance Recorded [Member] | Residential Single Family [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	4,194	4,194	5,932
Recorded Investment	4,202	4,202	5,940
Related Allowance	1,661	1,661	1,746
Average Recorded Investment		4,354	6,029
Interest Income Recognized		164	236
With An Allowance Recorded [Member] | Residential Multifamily [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance
Recorded Investment
Related Allowance
Average Recorded Investment
Interest Income Recognized
With An Allowance Recorded [Member] | All Other Loans [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance
Recorded Investment
Related Allowance
Average Recorded Investment
Interest Income Recognized

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524



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+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

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-Section 50

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-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

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-Publisher FASB

-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524

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