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 ($)	Dec. 31, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($) segment	Dec. 31, 2014 USD ($)
Mortgage and Real Estate Services Segment [Member]
Goodwill [Line Items]
Beginning Balance, Goodwill, Gross			$ 194,027	$ 194,027	$ 2,095
Beginning Balance, Accumulated Impairment Loss			(2,095)	(2,095)	0
Goodwill, Net			191,932	191,932	2,095
Goodwill, Acquired During Period				3,238	191,932
Goodwill, Impairment Loss		$ (2,100)		$ 0	(2,095)
Number of Reporting Units | segment				1
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
Clayton Holdings, LLC [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period	$ 800		$ 2,400