Note 15 - Income Taxes Summary of Income Tax Contingencies Rollforward of Unrecognized Tax Benefits (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2009
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of period	$ 125,757,000		$ 92,845,000
Tax positions related to the current year [Abstract]
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	1,209,000	1,268,000
Unrecognized Tax Benefits, Decreases Resulting from Current Period Tax Positions	(1,624,000)	(2,005,000)
Tax positions related to prior years [Abstract]
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions	27,302,000	51,480,000
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	(4,243,000)	(17,831,000)
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	(34,388,000)	0
Balance at end of period	114,013,000	125,757,000	92,845,000
Unrecognized Tax Benefits, Net Amount Related to Prior Period Tax Positions	23,000,000
Recognition of Insurance Premium Income [Member]
Tax positions related to prior years [Abstract]
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	23,300,000
FIN 48 [Member]
Tax positions related to prior years [Abstract]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 65,200,000