Note 20 - Net Income (Loss) Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income (loss)	$ 302,150	$ (1,805,867)	$ (147,879)
Average common shares outstanding	132,372,000	114,697,000	81,937,000
Increase in shares due to potential exercise of common stock equivalents-diluted basis	1,491,000	0	0
Adjusted shares outstanding-diluted	133,863,000	114,697,000	81,937,000
Net income (loss) per share-basic	$ 2.28	$ (15.74)	$ (1.80)
Net income (loss) per share-diluted	$ 2.26	$ (15.74)	$ (1.80)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	2,490,462	4,366,342	4,635,530