Note 15 - Commitments and Contingencies Contingent Claims for Trade Credit and Surety Primary Insurers (Details) (Trade Credit Reinsurance and Surety Insurance [Member], Financial Guaranty Segment) In Millions, unless otherwise specified	Mar. 31, 2014 Euro Member Countries, Euro EUR (€)	Dec. 31, 2013 Euro Member Countries, Euro EUR (€)	Mar. 31, 2014 United States of America, Dollars USD ($)	Dec. 31, 2013 United States of America, Dollars USD ($)
Loss Contingencies [Line Items]
Loss Contingency, Range of Possible Loss, Minimum	€ 9.1		$ 12.5
Loss Contingency, Range of Possible Loss, Maximum	€ 16.5	€ 19.3	$ 22.8	$ 26.6