Note 6 - Investments Change in Unrealized Gains (Losses) Recorded in AOCI (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Change In Unrealized Gains (Losses) Recorded In AOCI [Line Items]
Unrealized holding gains (losses) arising during the period, net of tax	$ 13,650	$ 19,149	$ 12,266
Less reclassification adjustment for net (losses) gains included in net income (loss), net of tax	(1,039)	656	6,918
Net unrealized gains on investments	14,689	18,493	5,348
Fixed Maturities [Member]
Change In Unrealized Gains (Losses) Recorded In AOCI [Line Items]
Unrealized holding gains (losses) arising during the period, net of tax	4,531	(240)	2,694
Less reclassification adjustment for net (losses) gains included in net income (loss), net of tax	(1,039)	929	3,395
Net unrealized gains on investments	5,570	(1,169)	(701)
Equity Securities [Member]
Change In Unrealized Gains (Losses) Recorded In AOCI [Line Items]
Unrealized holding gains (losses) arising during the period, net of tax	9,119	19,389	9,572
Less reclassification adjustment for net (losses) gains included in net income (loss), net of tax	0	(273)	3,523
Net unrealized gains on investments	$ 9,119	$ 19,662	$ 6,049