Note 21 - Net Income (Loss) Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net (loss) income	$ (451,468)	$ 302,150	$ (1,805,867)
Average common shares outstanding	132,533,000	132,372,000	114,697,000
Increase in shares due to potential exercise of common stock equivalents-diluted basis	0	1,491,000	0
Adjusted shares outstanding-diluted	132,533,000	133,863,000	114,697,000
Net income (loss) per share-basic	$ (3.41)	$ 2.28	$ (15.74)
Net income (loss) per share-diluted	$ (3.41)	$ 2.26	$ (15.74)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	5,872,600	2,490,462	4,366,342