Note 7 - Investments Change in Unrealized Gains (Losses) Recorded in AOCI (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Change In Unrealized Gains (Losses) Recorded In AOCI [Line Items]
Unrealized holding gains (losses) arising during the period, net of tax	$ 21,969	$ 14,132	$ 7,400
Less: Reclassification adjustment for unrealized gains or losses realized upon the sale of securities, net of tax	879	9,272	(31,928)
Net unrealized gains on investments	21,090	4,860	39,328
Fixed Maturities [Member]
Change In Unrealized Gains (Losses) Recorded In AOCI [Line Items]
Unrealized holding gains (losses) arising during the period, net of tax	173	4,415	11,328
Less: Reclassification adjustment for unrealized gains or losses realized upon the sale of securities, net of tax	1,152	5,750	(34,697)
Net unrealized gains on investments	(979)	(1,335)	46,025
Equity Securities [Member]
Change In Unrealized Gains (Losses) Recorded In AOCI [Line Items]
Unrealized holding gains (losses) arising during the period, net of tax	21,796	9,717	(3,928)
Less: Reclassification adjustment for unrealized gains or losses realized upon the sale of securities, net of tax	(273)	3,522	2,769
Net unrealized gains on investments	$ 22,069	$ 6,195	$ (6,697)