Note 7 - Reinsurance Reinsurance Premiums Written and Earned (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016		Mar. 31, 2015
Premiums Earned, Net [Abstract]
Net premiums earned-insurance	$ 220,950		$ 224,595
Mortgage Insurance Segment
Premiums Written, Net [Abstract]
Direct Premiums Written	233,926		255,248
Assumed Premiums Written	0		47
Ceded Premiums Written	(207,616)		(13,387)
Net premiums written	26,310	[1]	241,908
Premiums Earned, Net [Abstract]
Direct Premiums Earned	240,330		242,164
Assumed Premiums Earned	9		13
Ceded Premiums Earned	(19,389)		(17,582)
Net premiums earned-insurance	$ 220,950		$ 224,595

[1] Net of ceded premiums written under the Single Premium QSR Transaction of $197.6 million.