Note 6 - Goodwill and Other Intangible Assets, Net Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Net carrying amount	$ 77,772
Mortgage and Real Estate Services Segment [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	113,784	$ 113,771
Accumulated amortization	(36,012)	(32,713)
Net carrying amount	77,772	81,058
Mortgage and Real Estate Services Segment [Member] | Client Relationships
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	83,329	83,316
Accumulated amortization	(21,952)	(19,696)
Net carrying amount	61,377	63,620
Mortgage and Real Estate Services Segment [Member] | Technology
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	15,250	15,250
Accumulated amortization	(6,125)	(5,497)
Net carrying amount	9,125	9,753
Mortgage and Real Estate Services Segment [Member] | Trade name and trademarks
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	8,340	8,340
Accumulated amortization	(2,346)	(2,125)
Net carrying amount	5,994	6,215
Mortgage and Real Estate Services Segment [Member] | Client backlog
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	6,680	6,680
Accumulated amortization	(5,427)	(5,235)
Net carrying amount	1,253	1,445
Mortgage and Real Estate Services Segment [Member] | Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	185	185
Accumulated amortization	(162)	(160)
Net carrying amount	$ 23	$ 25