Note 7 - Goodwill and Other Intangible Assets, Net Schedule of Goodwill (Details) $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Oct. 31, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) segment	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Clayton Holdings, LLC [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period	$ 800	$ 2,400
Mortgage and Real Estate Services Segment [Member]
Goodwill [Line Items]
Beginning Balance, Goodwill, Gross		194,027	$ 197,265	$ 194,027
Beginning Balance, Accumulated Impairment Loss		(2,095)	(2,095)	(2,095)
Goodwill, Net		$ 191,932	195,170	191,932
Goodwill, Acquired During Period			0	3,238
Goodwill, Impairment Loss			0	0	$ (2,100)
Ending Balance, Goodwill, Gross			197,265	197,265	194,027
Ending Balance, Accumulated Impairment Loss			(2,095)	(2,095)	(2,095)
Goodwill, Net			$ 195,170	$ 195,170	$ 191,932
Number of Reporting Units | segment			1