Note 9 - Losses and LAE Losses and LAE for Mortgage Insurance (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
Reserve for losses and loss adjustment expenses
Total reserve for losses and LAE	$ 1,620,351		$ 2,185,421	$ 2,346,879
Mortgage Insurance Segment
Reserve for losses and loss adjustment expenses
Mortgage insurance reserves	1,588,131		2,164,353
Total reserve for losses and LAE	1,588,131	1,714,681	2,164,353	2,314,785	2,690,861	3,083,608
Financial Guaranty Segment
Reserve for losses and loss adjustment expenses
Financial guaranty reserves	32,220		21,068
Total reserve for losses and LAE	$ 32,220			$ 32,094