Note 7 - Investments Investment Income (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net Investment Income [Line Items]
Investment Income, Gross	$ 116,752	$ 122,160	$ 171,370
Investment Income, Investment Expense	8,664	7,823	7,850
Investment Income, Net	108,088	114,337	163,520
Fixed Maturities [Member]
Net Investment Income [Line Items]
Investment Income, Gross	101,851	106,418	155,183
Equity Securities [Member]
Net Investment Income [Line Items]
Investment Income, Gross	10,843	10,136	11,559
Short-term Investments [Member]
Net Investment Income [Line Items]
Investment Income, Gross	309	345	611
Other Security Investments [Member]
Net Investment Income [Line Items]
Investment Income, Gross	$ 3,749	$ 5,261	$ 4,017