Note 7 - Goodwill and Other Acquired Intangible Assets, Net Schedule of Acquired Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
		Jun. 30, 2017	Dec. 31, 2019		Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Net			$ 18,385
Mortgage and Real Estate Services Segment
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross			52,928	[1]	$ 110,350
Finite-Lived Intangible Assets, Accumulated Amortization			(34,543)	[1]	(65,444)	[2]
Finite-Lived Intangible Assets, Net			18,385	[1]	44,906
Impairment of Intangible Assets, Finite-lived		$ 15,800	13,700		0
Mortgage and Real Estate Services Segment | Client relationships
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross			43,550	[1]	84,000
Finite-Lived Intangible Assets, Accumulated Amortization			(27,269)	[1]	(48,227)
Finite-Lived Intangible Assets, Net			16,281	[1]	35,773
Mortgage and Real Estate Services Segment | Technology
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross			8,435	[1]	17,362
Finite-Lived Intangible Assets, Accumulated Amortization			(6,789)	[1]	(13,141)
Finite-Lived Intangible Assets, Net			1,646	[1]	4,221
Mortgage and Real Estate Services Segment | Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross			480	[1]	8,340
Finite-Lived Intangible Assets, Accumulated Amortization			(404)	[1]	(3,864)
Finite-Lived Intangible Assets, Net			76	[1]	4,476
Mortgage and Real Estate Services Segment | Non-competition agreements
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross					185
Finite-Lived Intangible Assets, Accumulated Amortization					(177)
Finite-Lived Intangible Assets, Net					8
Mortgage and Real Estate Services Segment | Licenses
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross			463	[1]	463
Finite-Lived Intangible Assets, Accumulated Amortization			(81)	[1]	(35)
Finite-Lived Intangible Assets, Net			382	[1]	428
Held-for-sale | Mortgage and Real Estate Services Segment
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	[1]		60,900
Finite-Lived Intangible Assets, Accumulated Amortization	[1]		$ (57,200)
Impairment of Intangible Assets, Finite-lived					$ 15,800

[1] Excludes total gross carrying amount and accumulated amortization (including impairment) related to Clayton of $60.9 million and $57.2 million, respectively, which were reclassified to assets held-for-sale and included in other assets on our consolidated balance sheets at December 31, 2019.

[2] Includes accumulated impairment charges of $15.8 million as of December 31, 2018, which were related entirely to Clayton.