Note 13 - Income Taxes Reconciliation of Taxes from Statutory Rate to Provision (Benefit) for Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Reconciliation from Statutory Rate to Provision (Benefit) for Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	35.00%	35.00%	35.00%
(Benefit) provision for income taxes computed at the statutory tax rate	$ 142,504	$ (60,671)	$ (95,350)
Tax-exempt municipal bond interest and dividends received deduction (net of proration)	(1,286)	(1,494)	(1,818)
Foreign tax (benefit) expense	270	(1)	54
State tax expense (benefit)	(693)	1,460	4,002
Unrecognized tax expense (benefit)	407	1,696	(2,906)
Deferred inventory adjustment related to fair value of derivatives and other financial instruments	0	0	(23,217)
Valuation allowance	(995,008)	24,546	71,072
Other, net	1,388	2,969	(160)
Income tax (benefit) provision	$ (852,418)	$ (31,495)	$ (48,323)