Note 11 - Accumulated Other Comprehensive Income Rollforward of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014		Sep. 30, 2015		Sep. 30, 2014
Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income, Net of Tax, beginning balance					$ 51,485
Other Comprehensive Income, Net of Tax [Abstract]
Net foreign currency translation adjustments		$ (120)	$ (186)		(88)		$ (186)
Unrealized holding gains (losses) arising during the period		4,012	(798)		(11,154)		10,504
Less: Reclassification adjustment for net (losses) gains included in net income		(223)	(418)		44,408		(807)
Net unrealized gains on investments recorded as assets held for sale		0	(1,437)		(3,254)		506
Other comprehensive income		4,115	(2,003)		(58,904)		11,631
Other Comprehensive Income (Loss), Net of Tax, Unrealized Gains (Losses) on Investments Continuing Operations		4,235	(380)		(55,562)		11,311
Accumulated Other Comprehensive Income, Net of Tax, ending balance		(7,419)			(7,419)
Other Comprehensive Income
Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income, before Tax, beginning balance		(17,744)	70,857		79,208		57,345
Accumulated Other Comprehensive Income, Tax, beginning balance		(6,210)	19,840		27,723		19,962
Accumulated Other Comprehensive Income, Net of Tax, beginning balance		(11,534)	51,017		51,485		37,383
Other Comprehensive Income, before Tax [Abstract]
Net foreign currency translation adjustments, before tax		(184)	(186)		(135)		(186)
Unrealized holding (losses) gains arising during the period, before tax		6,172	(841)		(17,160)		10,251
Less: Reclassification adjustment for net (losses) gains included in net income, before tax					68,700
Other Comprehensive Income (Loss), Before Tax, Unrealized Gains (Losses) on Investments Recorded as Assets Held for Sale		0	(1,439)	[1]	(5,006)		382	[1]
Other comprehensive income, before tax		6,331	(1,926)		(90,621)		11,586
Other Comprehensive Income, Tax [Abstract]
Net foreign currency translation adjustments, tax		(64)	0		(47)		0
Unrealized holding (losses) gains arising during the period, tax		2,160	(43)		(6,006)		(253)
Less: Reclassification adjustment for net (losses) gains included in net income, tax	[2]	(120)	(122)		23,912		(332)
Other Comprehensive Income (Loss), Tax Effect, Unrealized Gains (Losses) on Investments Recorded as Assets Held for Sale		0	(2)	[1]	(1,752)		(124)	[1]
Other Comprehensive Income, Tax		2,216	77		(31,717)		(45)
Other Comprehensive Income, Net of Tax [Abstract]
Net foreign currency translation adjustments		(120)	(186)		(88)		(186)
Unrealized holding gains (losses) arising during the period		4,012	(798)		(11,154)		10,504
Less: Reclassification adjustment for net (losses) gains included in net income	[2]	(223)	(418)		44,408		(807)
Net unrealized gains on investments recorded as assets held for sale		0	(1,437)	[1]	(3,254)	[3]	506	[1]
Other comprehensive income		4,115	(2,003)		(58,904)		11,631
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	[2]	(343)	(540)		68,320		(1,139)
Other Comprehensive Income (Loss), Before Tax, Unrealized Gains Losses on Investments Continuing Operations		6,515	(301)		(85,480)		11,390
Other Comprehensive Income (Loss), Tax Effect, Unrealized Gains (Losses) on Investments Continuing Operations		2,280	79		(29,918)		79
Other Comprehensive Income (Loss), Net of Tax, Unrealized Gains (Losses) on Investments Continuing Operations		4,235	(380)		(55,562)		11,311
Accumulated Other Comprehensive Income, before Tax, ending balance		(11,413)	68,931		(11,413)		68,931
Accumulated Other Comprehensive Income, Tax, ending balance		(3,994)	19,917		(3,994)		19,917
Accumulated Other Comprehensive Income, Net of Tax, ending balance		$ (7,419)	$ 49,014		$ (7,419)		$ 49,014

[1] Represents the unrealized holding gains (losses) arising during the period on investments recorded as assets held for sale, net of reclassification adjustments for net gains (losses) included in net income from discontinued operations.

[2] Included in net gains on investments and other financial instruments on our condensed consolidated statements of operations.

[3] For the nine months ended September 30, 2015, this amount represents the recognition of investment gains included in income from discontinued operations, net of tax, as a result of the completion of the sale of Radian Asset Assurance on April 1, 2015. Previously, pursuant to accounting standards, such investment gains had been deferred and recorded in AOCI.