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Note 7 - Loans (Details) (USD $) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2014 | Dec. 31, 2013
Note 7 - Loans (Details) [Line Items] |  |
Impaired Financing Receivable, Recorded Investment | $ 188,347,000 | $ 200,780,000
Percentage Of Charge-Off To Contractual Balances For Impaired Loans | 12.60% | 23.90%
Financing Receivable, Modifications, Recorded Investment | 34,162,000 | 38,769,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 1 |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | 62,000 |
Reduction Of Stated Interest Rate Member | Minimum [Member] |  |
Note 7 - Loans (Details) [Line Items] |  |
Troubled Debt Restructurings Length of Modifications | 7 months |
Reduction Of Stated Interest Rate Member | Maximum [Member] |  |
Note 7 - Loans (Details) [Line Items] |  |
Troubled Debt Restructurings Length of Modifications | 2 years |
Nonaccrual Loans [Member] |  |
Note 7 - Loans (Details) [Line Items] |  |
Impaired Financing Receivable, Recorded Investment | 65,200,000 | 83,200,000
Accruing Troubled Debt Restructuring [Member] |  |
Note 7 - Loans (Details) [Line Items] |  |
Impaired Financing Receivable, Recorded Investment | 123,100,000 | 117,600,000
Financing Receivable, Modifications, Recorded Investment | 123,089,000 | 117,597,000
Accruing Troubled Debt Restructuring [Member] |  |
Note 7 - Loans (Details) [Line Items] |  |
Financing Receivable, Modifications, Recorded Investment | 123,100,000 | 117,600,000
Allowance for Credit Losses, Change in Method of Calculating Impairment | 8,000,000 | 6,900,000
Non Accruing Troubled Debt Restructuring Member |  |
Note 7 - Loans (Details) [Line Items] |  |
Financing Receivable, Modifications, Recorded Investment | 34,200,000 | 38,800,000
Allowance for Credit Losses, Change in Method of Calculating Impairment | $ 3,900,000 | $ 2,200,000
Minimum [Member] |  |
Note 7 - Loans (Details) [Line Items] |  |
Period Loan Is In Payment Default | 60 days |
Maximum [Member] |  |
Note 7 - Loans (Details) [Line Items] |  |
Period Loan Is In Payment Default | 90 days |

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- Definition Percentage of charge-off to contractual balances for impaired loans. + References No definition available. + Details
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- Definition Troubled debt restructurings length of modifications. + References No definition available. + Details
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- Definition Amount of allowance for credit losses related to receivables which had been measured under a general allowance for credit losses methodology that are now identified as troubled debt restructurings. + References No definition available. + Details
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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 + Details
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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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- Definition 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=35738203&loc=SL6953550-111524 + Details
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