Note 7 - Goodwill and Other Acquired Intangible Assets, Net Schedule of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill [Line Items]
Goodwill, Impairment Loss	$ 0	$ 0	$ (184,374)	$ 0	$ 0	$ (184,374)	$ 0
Mortgage and Real Estate Services Segment
Goodwill [Line Items]
Beginning Balance, Goodwill, Gross				197,265	197,391	197,265
Beginning Balance, Accumulated Impairment Loss				(2,095)	(186,469)	(2,095)
Beginning Balance, Goodwill, Net				$ 195,170	10,922	195,170
Goodwill, Acquired During Period					3,170	126
Goodwill, Impairment Loss			$ (184,400)		0	(184,374)
Ending Balance, Goodwill, Gross	197,391				200,561	197,391	197,265
Ending Balance, Accumulated Impairment Loss	(186,469)				(186,469)	(186,469)	(2,095)
Beginning Balance, Goodwill, Net	$ 10,922				$ 14,092	$ 10,922	$ 195,170