Note 7 - Investments Realized Gain (Loss) on Sale of Available For Sale Securities (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Gain (Loss) on Investments [Line Items]
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds	$ 22,248,000	$ 79,534,000	$ 136,217,000
Categories of Investments, Marketable Securities, Available-for-sale Securities [Member]
Gain (Loss) on Investments [Line Items]
Number Of States Included In The Master Settlement Agreement With Domestic Tobacco Manufacturers			46
Available-for-sale Securities, Gross Realized Gain (Loss)			(53,700,000)
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds			$ 94,300,000