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Note 9 - Retirement Plans (Details) - Matching contributions (Capital Accumulation Plan [Member], USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Capital Accumulation Plan [Member] |  |  |
Note 9 - Retirement Plans (Details) - Matching contributions [Line Items] |  |  |
Matching contributions to the Capital Accumulation Plan | 5,235 | 14,293 | 13,753
Matching contributions to the Capital Accumulation Plan (in Dollars) | $ 28 | $ 26 | $ 29

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- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition The number of employer shares or related party shares included in plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (n) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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