Note 14 - Income Taxes Schedule of Components of Income Tax Expense (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Schedule of Components of Income Tax Provision [Line Items]
Current Income Tax Expense (Benefit)	$ 59,604	$ (155,219)	$ (39,057)
Deferred Income Tax Expense (Benefit)	6,758	381,408	(55,344)
Provision (benefit) for income taxes	$ 66,362	$ 226,189	$ (94,401)