Note 6 - Goodwill and Other Intangible Assets, Net Schedule of Finite-Lived Intangible Assets Including Impairment (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
		Jun. 30, 2017	Sep. 30, 2017		Dec. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Net			$ 56,045
Mortgage and Real Estate Services Segment [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Impairment of Intangible Assets, Finite-lived		$ 15,800
Finite-Lived Intangible Assets, Gross			113,818		$ 113,771
Finite-Lived Intangible Assets, Accumulated Amortization and Impairment			(57,773)
Finite-Lived Intangible Assets, Accumulated Amortization					(32,713)
Finite-Lived Intangible Assets, Net			56,045		81,058
Mortgage and Real Estate Services Segment [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Impairment of Intangible Assets, Finite-lived		14,900	14,900
Finite-Lived Intangible Assets, Gross			83,363	[1]	83,316
Finite-Lived Intangible Assets, Accumulated Amortization and Impairment	[1]		(40,625)
Finite-Lived Intangible Assets, Accumulated Amortization					(19,696)
Finite-Lived Intangible Assets, Net			42,738	[1]	63,620
Mortgage and Real Estate Services Segment [Member] | Technology-Based Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Impairment of Intangible Assets, Finite-lived		$ 900	900
Finite-Lived Intangible Assets, Gross			15,250	[2]	15,250
Finite-Lived Intangible Assets, Accumulated Amortization and Impairment	[2]		(8,382)
Finite-Lived Intangible Assets, Accumulated Amortization					(5,497)
Finite-Lived Intangible Assets, Net			6,868	[2]	9,753
Mortgage and Real Estate Services Segment [Member] | Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross			8,340		8,340
Finite-Lived Intangible Assets, Accumulated Amortization and Impairment			(2,787)
Finite-Lived Intangible Assets, Accumulated Amortization					(2,125)
Finite-Lived Intangible Assets, Net			5,553		6,215
Mortgage and Real Estate Services Segment [Member] | Order or Production Backlog [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross			6,680		6,680
Finite-Lived Intangible Assets, Accumulated Amortization and Impairment			(5,813)
Finite-Lived Intangible Assets, Accumulated Amortization					(5,235)
Finite-Lived Intangible Assets, Net			867		1,445
Mortgage and Real Estate Services Segment [Member] | Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross			185		185
Finite-Lived Intangible Assets, Accumulated Amortization and Impairment			(166)
Finite-Lived Intangible Assets, Accumulated Amortization					(160)
Finite-Lived Intangible Assets, Net			$ 19		$ 25

[1] Includes an impairment charge of $14.9 million.

[2] Includes an impairment charge of $0.9 million.