Note 10 - Losses and LAE Total Reserve for Losses and LAE (Details) - USD ($) $ in Thousands		Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017	Dec. 31, 2016
Liability for Claims and Claims Adjustment Expense [Line Items]
Reserve for losses and loss adjustment expense (“LAE”) (Note 10)		$ 488,656	$ 507,588
Mortgage Insurance Segment [Member]
Liability for Claims and Claims Adjustment Expense [Line Items]
Reserve for losses and loss adjustment expense (“LAE”) (Note 10)		485,192	507,588	$ 726,169	$ 760,269
Mortgage and Real Estate Services Segment [Member]
Liability for Claims and Claims Adjustment Expense [Line Items]
Reserve for losses and loss adjustment expense (“LAE”) (Note 10)	[1]	$ 3,464	$ 0

[1] This full amount is included in the reinsurance recoverables reported in other assets in our condensed consolidated balance sheet, and relates to the acquisition of EnTitle Direct, completed on March 27, 2018.