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Note 13 - Income Taxes Schedule of Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Components of Deferred Tax Assets and Liabilities [Line Items] |  |
Operating Loss Carryforwards | $ 1,100,000 |
Foreign tax credit carryforward | 900 |
Components of Deferred Tax Assets [Abstract] |  |
Accrued expenses | 38,456 | $ 60,858
Unearned premiums | 87,609 | 82,800
NOL | 342,002 | 475,095
Differences in fair value of derivative and other financial instruments | 7,767 | 0
Deferred Tax Assets, Unrealized Losses on Trading Securities | 9,801 | 0
State and Local NOL Carryforwards | 46,914 | 34,851
Partnership Investments | 74,309 | 74,179
Loss reserves | 4,720 | 6,362
Outside basis difference of investment in subsidiary | 0 | 14,084
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax | 5,923 | 2,286
Other | 34,241 | 47,991
Total deferred tax assets | 651,742 | 798,506
Components of Deferred Tax Liabilities [Abstract] |  |
Convertible and other long-term debt | 16,654 | 38,750
Net unrealized gain on investments | 0 | 26,145
Deferred Tax Liabilities, Property, Plant and Equipment | 6,397 | 0
Other | 14,516 | 15,536
Total deferred tax liabilities | 37,567 | 80,431
Valuation Allowance, Amount | 36,230 | 17,874
Deferred Tax Assets, Net | $ 577,945 | $ 700,201

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