Note 11 - Income Taxes (Details) - Income Tax Reconciliation (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Reconciliation [Abstract]
Income (loss) before taxes	$ 257,698	$ 78,187	$ (16,473)
(Provision) benefit for income taxes at federal statutory rate	(90,194)	(27,365)	5,765
(Increases) decreases in tax resulting from:
State income taxes, net of federal benefit	(9,426)	(2,947)	615
Net deferred tax asset valuation (allowance) benefit	13,115	483,724	(6,415)
Reversal of liability for unrecognized tax benefits	16,105
Other, net	1,417	(178)	91
Benefit (provision) for income taxes	$ (68,983)	$ 453,234	$ 56
Effective tax rate	26.80%		0.30%