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Note 16 - Stockholders' Equity (Details) (USD $) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013
Stockholders' Equity Note [Abstract] |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | $ 1,570,384,000 |  | $ 1,570,384,000 |  | $ 1,458,971,000
Increase (Decrease) in Total Equity |  |  | 111,400,000 |  |
Percentage Change in Total Equity |  |  | 7.60% |  |
Net Income (Loss) Attributable to Parent | 35,909,000 | 32,478,000 | 102,252,000 | 91,241,000 |
Other Comprehensive Income (Loss), Net of Tax | 61,000 | (6,110,000) | 20,894,000 | (21,648,000) |
Dividends, Common Stock, Cash |  |  | $ 15,100,000 |  |

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- Definition Amount of paid and unpaid common stock dividends declared with the form of settlement in cash. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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