Note 15 - Commitments and Contingencies Legal Proceedings (Details) $ in Millions	1 Months Ended
	Jun. 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