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Note 15 - Financial Derivatives (Details) (USD $) | 12 Months Ended | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2011 Interest Rate Swap [Member] | Dec. 31, 2013 Positive Fair Value Member | Dec. 31, 2012 Positive Fair Value Member | Dec. 31, 2013 Negative Fair Value Member | Dec. 31, 2012 Negative Fair Value Member
Note 15 - Financial Derivatives (Details) [Line Items] |  |  |  |  |  |  |
Number Of Swap Agreements |  |  | 5 |  |  |  |
Interest Rate Swaps Notional Amount |  |  | $ 300,000,000 |  |  |  |
Interest Rate Swap Term |  |  | 3 years |  |  |  |
Net Accrued On Interest Rate Swaps | 288,000 | 4,900,000 |  |  |  |  |
Notional Amount Of Option Contract |  |  |  | 200,000 | 209,000 |  |
Open Option Contracts Written, at Fair Value |  |  |  | 83 | 2,000 |  |
Sum of Spot and Forward Contract Notional Amount |  |  |  | 267,600,000 | 188,100,000 | 236,300,000 | 133,700,000
Increase Decrease in Fair Value |  |  |  | $ 6,200,000 | $ 2,900,000 | $ 6,100,000 | $ 1,600,000

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- Definition Increase Decrease in Fair Value + References No definition available. + Details
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- Definition interest rate swaps notional amount + References No definition available. + Details
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- Definition The term of the interest rate swap. + References No definition available. + Details
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- Definition Net accrued on interest rate swaps + References No definition available. + Details
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- Details
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- Definition Notional Amount Of Option Contract + References No definition available. + Details
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- Definition Number Of Swap Agreements + References No definition available. + Details
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- Definition Sum of Spot and Forward Contract Notional Amount + References No definition available. + Details
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- Definition The fair value of the open option contracts written for the investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B.4,Column E) -URI http://asc.fasb.org/extlink&oid=6955306&loc=d3e611197-123010 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12B -Paragraph 4 -Article 12 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12B -Paragraph Column E -Article 12 + Details
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