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Loans And Related Allowances For Loan Losses (Average Of Impaired Loans And Related Interest Income By Loan Portfolio Class) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Investment | $ 41,419 | $ 54,510 | $ 44,796 | $ 55,873
Interest income recognized on an accrual basis | 286 | 306 | 909 | 851
Interest income recognized on a cash basis | 1,731 | 6 | 2,082 | 45
Commercial real estate- non owner-occupied [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Investment | 3,048 | 6,540 | 4,161 | 7,720
Interest income recognized on an accrual basis | 10 | 10 | 33 | 22
Interest income recognized on a cash basis | 1,454 | 0 | 1,454 | 0
Commercial real estate- all other CRE [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Investment | 10,704 | 10,010 | 10,698 | 9,073
Interest income recognized on an accrual basis | 83 | 86 | 261 | 220
Interest income recognized on a cash basis | 0 | 0 | 46 | 0
Acquisition and development- 1-4 family residential construction [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Investment | 3,237 | 2,127 | 3,033 | 2,295
Interest income recognized on an accrual basis | 17 | 21 | 59 | 67
Interest income recognized on a cash basis | 0 | 0 | 0 | 0
Acquisition and development- All other A&D [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Investment | 15,879 | 25,897 | 18,614 | 24,510
Interest income recognized on an accrual basis | 125 | 120 | 394 | 327
Interest income recognized on a cash basis | 272 | 0 | 575 | 0
Commercial and industrial [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Investment | 2,257 | 4,130 | 2,844 | 6,322
Interest income recognized on an accrual basis | 22 | 39 | 88 | 111
Interest income recognized on a cash basis | 0 | 0 | 0 | 0
Residential mortgage- term [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Investment | 5,684 | 5,020 | 4,816 | 5,007
Interest income recognized on an accrual basis | 23 | 26 | 56 | 93
Interest income recognized on a cash basis | 5 | 2 | 7 | 38
Residential mortgage- home equity [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Investment | 536 | 739 | 555 | 898
Interest income recognized on an accrual basis | 6 | 4 | 18 | 11
Interest income recognized on a cash basis | 0 | 4 | 0 | 7
Consumer [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Investment | 74 | 47 | 75 | 48
Interest income recognized on an accrual basis | 0 | 0 | 0 | 0
Interest income recognized on a cash basis | $ 0 | $ 0 | $ 0 | $ 0

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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=28368275&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=28368275&loc=d3e5258-111524 + Details
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