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Note 10 - Commitments and Contingent Liabilities (Details) (USD $) In Millions, unless otherwise specified |  |  | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2013 | Dec. 31, 2012 | Jun. 30, 2013 Maximum [Member] | Mar. 31, 2012 Maximum [Member] | Mar. 31, 2012 Minimum [Member]
Note 10 - Commitments and Contingent Liabilities (Details) [Line Items] |  |  |  |  |
Letters of Credit Outstanding, Amount | $ 39.2 | $ 39.6 |  |  |
undefined |  |  | 4.0 |  |
Policyholder Benefits and Claims Incurred, Direct |  |  |  | $ 20.0 | $ 10.0

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- Definition Return of previously paid premium or credit for future premiums for commuting insurance benefits of prior policy. + References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition Amount, before effect of policies assumed or ceded, of expense related to provision for policy benefits and costs incurred. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.5) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 5 -Article 7 + Details
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