Loans And Allowance For Loan Losses (Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Impaired [Line Items]
Totals: Recorded Investment	$ 22,338	$ 25,344
Totals: Unpaid Principal Balance	23,897	28,632
Totals: Related Allowance	1,537	1,983
Totals: Average Recorded Investment	23,845	31,960
Totals: Interest Income Recognized	1,114	1,068
Commercial Loan [Member]
Financing Receivable, Impaired [Line Items]
With No Related Allowance Recorded: Recorded Investment	2,530	3,357
With No Related Allowance Recorded: Unpaid Principal Balance	2,683	3,570
With No Related Allowance Recorded: Related Allowance
With No Related Allowance Recorded: Average Recorded Investment	2,944	8,978
With No Related Allowance Recorded: Interest Income Recognized	30	118
With An Allowance Recorded: Recorded Investment	620	2,968
With An Allowance Recorded: Unpaid Principal Balance	780	3,052
With An Allowance Recorded: Related Allowance	373	440
With An Allowance Recorded: Average Recorded Investment	1,794	2,170
With An Allowance Recorded: Interest Income Recognized	42	106
Totals: Recorded Investment	3,150	6,325
Totals: Unpaid Principal Balance	3,463	6,622
Totals: Related Allowance	373	440
Totals: Average Recorded Investment	4,738	11,147
Totals: Interest Income Recognized	72	224
Commercial Mortgages-Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
With No Related Allowance Recorded: Recorded Investment	2,592	2,211
With No Related Allowance Recorded: Unpaid Principal Balance	2,754	3,108
With No Related Allowance Recorded: Related Allowance
With No Related Allowance Recorded: Average Recorded Investment	2,402	2,457
With No Related Allowance Recorded: Interest Income Recognized	167	124
With An Allowance Recorded: Recorded Investment	3,671	2,516
With An Allowance Recorded: Unpaid Principal Balance	3,869	2,686
With An Allowance Recorded: Related Allowance	525	555
With An Allowance Recorded: Average Recorded Investment	3,094	3,815
With An Allowance Recorded: Interest Income Recognized	226	137
Totals: Recorded Investment	6,263	4,727
Totals: Unpaid Principal Balance	6,623	5,794
Totals: Related Allowance	525	555
Totals: Average Recorded Investment	5,496	6,272
Totals: Interest Income Recognized	393	261
Commercial Mortgages-Non-Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
With No Related Allowance Recorded: Recorded Investment	6,369	4,880
With No Related Allowance Recorded: Unpaid Principal Balance	6,528	5,170
With No Related Allowance Recorded: Related Allowance
With No Related Allowance Recorded: Average Recorded Investment	5,625	5,418
With No Related Allowance Recorded: Interest Income Recognized	330	227
With An Allowance Recorded: Recorded Investment	840	2,590
With An Allowance Recorded: Unpaid Principal Balance	842	3,129
With An Allowance Recorded: Related Allowance	189	228
With An Allowance Recorded: Average Recorded Investment	1,715	1,858
With An Allowance Recorded: Interest Income Recognized	42	117
Totals: Recorded Investment	7,209	7,470
Totals: Unpaid Principal Balance	7,370	8,299
Totals: Related Allowance	189	228
Totals: Average Recorded Investment	7,340	7,275
Totals: Interest Income Recognized	372	344
Commercial Construction [Member]
Financing Receivable, Impaired [Line Items]
With No Related Allowance Recorded: Recorded Investment	740	1,103
With No Related Allowance Recorded: Unpaid Principal Balance	742	1,103
With No Related Allowance Recorded: Related Allowance
With No Related Allowance Recorded: Average Recorded Investment	922	984
With No Related Allowance Recorded: Interest Income Recognized	52	38
With An Allowance Recorded: Recorded Investment	823	1,700
With An Allowance Recorded: Unpaid Principal Balance	1,048	1,964
With An Allowance Recorded: Related Allowance	94	275
With An Allowance Recorded: Average Recorded Investment	1,262	2,454
With An Allowance Recorded: Interest Income Recognized	2	42
Totals: Recorded Investment	1,563	2,803
Totals: Unpaid Principal Balance	1,790	3,067
Totals: Related Allowance	94	275
Totals: Average Recorded Investment	2,184	3,438
Totals: Interest Income Recognized	54	80
Consumer Unsecured [Member]
Financing Receivable, Impaired [Line Items]
With No Related Allowance Recorded: Related Allowance
With An Allowance Recorded: Recorded Investment	1
With An Allowance Recorded: Unpaid Principal Balance	1
With An Allowance Recorded: Related Allowance	1
With An Allowance Recorded: Average Recorded Investment	1	286
Totals: Recorded Investment	1
Totals: Unpaid Principal Balance	1
Totals: Related Allowance	1
Totals: Average Recorded Investment	1	286
Consumer Secured [Member]
Financing Receivable, Impaired [Line Items]
With No Related Allowance Recorded: Recorded Investment	469	293
With No Related Allowance Recorded: Unpaid Principal Balance	554	642
With No Related Allowance Recorded: Related Allowance
With No Related Allowance Recorded: Average Recorded Investment	381	330
With No Related Allowance Recorded: Interest Income Recognized	34	6
With An Allowance Recorded: Recorded Investment	530	942
With An Allowance Recorded: Unpaid Principal Balance	530	1,021
With An Allowance Recorded: Related Allowance	195	357
With An Allowance Recorded: Average Recorded Investment	736	699
With An Allowance Recorded: Interest Income Recognized	35	49
Totals: Recorded Investment	999	1,235
Totals: Unpaid Principal Balance	1,084	1,663
Totals: Related Allowance	195	357
Totals: Average Recorded Investment	1,117	1,029
Totals: Interest Income Recognized	69	55
Residential Mortgages [Member]
Financing Receivable, Impaired [Line Items]
With No Related Allowance Recorded: Recorded Investment	2,138	862
With No Related Allowance Recorded: Unpaid Principal Balance	2,263	1,007
With No Related Allowance Recorded: Related Allowance
With No Related Allowance Recorded: Average Recorded Investment	1,500	633
With No Related Allowance Recorded: Interest Income Recognized	112	15
With An Allowance Recorded: Recorded Investment	1,015	1,922
With An Allowance Recorded: Unpaid Principal Balance	1,303	2,180
With An Allowance Recorded: Related Allowance	160	128
With An Allowance Recorded: Average Recorded Investment	1,469	1,847
With An Allowance Recorded: Interest Income Recognized	42	89
Totals: Recorded Investment	3,153	2,784
Totals: Unpaid Principal Balance	3,566	3,187
Totals: Related Allowance	160	128
Totals: Average Recorded Investment	2,969	2,480
Totals: Interest Income Recognized	154	104
Residential Consumer Construction [Member]
Financing Receivable, Impaired [Line Items]
With No Related Allowance Recorded: Related Allowance
With No Related Allowance Recorded: Average Recorded Investment		33
With An Allowance Recorded: Related Allowance
Totals: Related Allowance
Totals: Average Recorded Investment		$ 33

Impaired Financing Receivable With No Related Allowance Related Allowance

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- Definition

Impaired Financing Receivable With Related Allowance Related Allowance

+ References

No definition available.

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- Definition

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5258-111524

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Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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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 14A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524

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Amount of allowance for credit losses related to recorded investment.

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Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses.

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Amount of interest income, recognized on accrual basis, on financing receivables, for which there is a related allowance for credit losses and are recognized as impaired.

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