Note 10 - Financial Guaranty Insurance Contracts Adjustments To Premiums Earned For Financial Guaranty Contracts (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Adjustments To Premiums Earned For Financial Guaranty Contracts [Line Items]
Refundings	$ 6,073	$ 10,288	$ 8,190	$ 15,041
Recaptures/commutations	0	0	0	(2,447)
Adjustments to installment premiums, gross of commissions	22	(10)	161	2,682
Unearned premium acceleration upon establishment of case reserves	62	4	62	69
Adjustment To Premiums Earned Foreign Exchange Revaluation Gross of Commission	6	(319)	320	(1,087)
Total Adjustment To Premiums Earned For Financial Guaranty Contracts	$ 6,163	$ 9,963	$ 8,733	$ 14,258