Note 15 - Statutory Information Risk to Capital (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011
Capital and Liquidity Line Items
Number Of States That Have A Statutory Or Regulatory Risk Based Capital Requirement	16
Number Of States Which Have A Risk To Capital Ratio Limit of 25 To 1	11
Number Of States From Which We Are Pursuing Risk Based Capital Requirement Waivers	5
Number Of States That Have Granted Waivers To Risk Based Capital Requirements	6
Parent Company
Capital and Liquidity Line Items
Unrestricted Cash And Liquid Investments Including Activity After The Balance Sheet Date	482.8