Note 11 - Accumulated Other Comprehensive Income Rollforward of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended			6 Months Ended
		Jun. 30, 2015		Jun. 30, 2014	Jun. 30, 2015	Jun. 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		$ 158		$ 0	32	$ 0
Unrealized holding (losses) gains arising during the period		(21,620)		8,633	(15,166)	11,302
Less: Reclassification adjustment for net gains (losses) included in net income		44,664		(393)	44,631	(389)
Net unrealized gains on investments recorded as assets held for sale		(5,082)		647	(3,254)	1,943
Other comprehensive income		(71,208)		9,673	(63,019)	13,634
Other Comprehensive Income (Loss), Net of Tax, Unrealized Gains (Losses) on Investments Continuing Operations		(66,284)		9,026	(59,797)	11,691
Accumulated Other Comprehensive Income, Net of Tax, ending balance		(11,534)			(11,534)
Other Comprehensive Income
Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income, before Tax, beginning balance		91,806		61,185	79,208	57,345
Accumulated Other Comprehensive Income, Tax, beginning balance		32,132		19,841	27,723	19,962
Accumulated Other Comprehensive Income, Net of Tax, beginning balance		59,674		41,344	51,485	37,383
Other Comprehensive Income, before Tax [Abstract]
Net foreign currency translation adjustments, before tax		243			49
Unrealized holding (losses) gains arising during the period, before tax		(33,261)		8,422	(23,332)	11,092
Less: Reclassification adjustment for net (losses) gains included in net income, before tax	[1]	68,714		(604)	68,663	(599)
Other Comprehensive Income (Loss), Before Tax, Unrealized Gains (Losses) on Investments Recorded as Assets Held for Sale	[2]	(7,818)		646	(5,006)	1,821
Other comprehensive income, before tax		(109,550)		9,672	(96,952)	13,512
Other Comprehensive Income, Tax [Abstract]
Net foreign currency translation adjustments, tax		85			17
Unrealized holding (losses) gains arising during the period, tax		(11,641)		(211)	(8,166)	(210)
Less: Reclassification adjustment for net (losses) gains included in net income, tax	[1]	24,050		(211)	24,032	(210)
Other Comprehensive Income (Loss), Tax Effect, Unrealized Gains (Losses) on Investments Recorded as Assets Held for Sale	[2]	(2,736)		(1)	(1,752)	(122)
Other Comprehensive Income, Tax		(38,342)		(1)	(33,933)	(122)
Other Comprehensive Income, Net of Tax [Abstract]
Net foreign currency translation adjustments		158			32
Unrealized holding (losses) gains arising during the period		(21,620)		8,633	(15,166)	11,302
Less: Reclassification adjustment for net gains (losses) included in net income	[1]	44,664		(393)	44,631	(389)
Net unrealized gains on investments recorded as assets held for sale	[2]	(5,082)	[3]	647	(3,254)	1,943
Other comprehensive income		(71,208)		9,673	(63,019)	13,634
Other Comprehensive Income (Loss), Before Tax, Unrealized Gains Losses on Investments Continuing Operations		(101,975)		9,026	(91,995)	11,691
Other Comprehensive Income (Loss), Tax Effect, Unrealized Gains (Losses) on Investments Continuing Operations		(35,691)		0	(32,198)	0
Other Comprehensive Income (Loss), Net of Tax, Unrealized Gains (Losses) on Investments Continuing Operations		(66,284)		9,026	(59,797)	11,691
Accumulated Other Comprehensive Income, before Tax, ending balance		(17,744)		70,857	(17,744)	70,857
Accumulated Other Comprehensive Income, Tax, ending balance		(6,210)		19,840	(6,210)	19,840
Accumulated Other Comprehensive Income, Net of Tax, ending balance		$ (11,534)		$ 51,017	$ (11,534)	$ 51,017

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

[2] 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.

[3] For the three months ended June 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.