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Note 7 - Loans and Related Allowance for Loan and Lease Losses (Details) - Troubled Debt Restructurings Subsequently Defaulted (USD $) | 3 Months Ended | 9 Months Ended
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Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2014 Commercial and Industrial [Member] | Sep. 30, 2013 Commercial and Industrial [Member] | Sep. 30, 2014 Commercial Real Estate Mortgage [Member] | Sep. 30, 2013 Commercial Real Estate Mortgage [Member]
Financing Receivable, Modifications [Line Items] |  |  |  |  |  |  |
Number of Contracts | 0 | 0 |  | 0 | 1 | 0 | 1
Recorded Investment |  |  | $ 0 | $ 0 | $ 565,000 | $ 0 | $ 190,000

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- Definition Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953682-111524 + Details
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- Definition Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953682-111524 + Details
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