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Note 15 - Commitments and Contingencies Legal Proceedings (Details) $ in Millions | 1 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2015 | Sep. 30, 2015 matters | Sep. 04, 2014 USD ($)
Loss Contingencies [Line Items] |  |  |
Minimum Number of Pending or Threatened Matters That Could Affect Our Results |  | 1 |
Settlement Agreement, Number of Years Entity Has Agreed Not to Enter Into Captive Insurance Arrangements | 10 years |  |
REMIC Residual [Member] | Internal Revenue Service (IRS) [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Income Tax Examination, Notice of Deficiency, Amounts Related to Unpaid Taxes and Penalties | $ |  |  | $ 157

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- Definition This concept represents the amount assessed by the IRS in the Notice of Deficiency related to unpaid taxes and penalties based on the outcome of an income tax examination. + References No definition available. + Details
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