Note 11 - Comprehensive Income (Loss) Statement of Income and Comprehensive Income (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011		Sep. 30, 2010
Net income (loss), as reported	$ 183,568	$ 112,185	$ 423,689		$ (673,250)
Comprehensive Income [Member]
Net income (loss), as reported	183,568	112,185	423,689		(673,250)
Net unrealized gains (loss) on investments, net of tax	(24,960)	32,294	23,593		51,780
Net unrealized foreign currency translation adjustment, net of tax	354	6,266	(21,080)	[1]	1,833
Comprehensive income (loss)	$ 158,962	$ 150,745	$ 426,202		$ (619,637)

[1] During the second quarter of 2011, we liquidated a foreign financial guaranty subsidiary, which resulted in the recognition, through net income, of significant foreign currency translation gains that were previously included in other comprehensive income.