Note 6 - Goodwill and Other Acquired Intangible Assets, Net Schedule of Other Intangible Assets (Details) - Mortgage and Real Estate Services Segment - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Acquired Finite-Lived Intangible Assets [Line Items]
Other Intangible Assets, Original Acquired Amount	$ 109,812	$ 110,350
Other Intangible Assets, Accumulated Amortization and Impairment	(71,909)	(65,444)
Other Intangible Assets, Net Carrying Amount	37,903	44,906
Client relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Other Intangible Assets, Original Acquired Amount	83,860	84,000
Other Intangible Assets, Accumulated Amortization and Impairment	(52,764)	(48,227)
Other Intangible Assets, Net Carrying Amount	31,096	35,773
Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Other Intangible Assets, Original Acquired Amount	16,964	17,362
Other Intangible Assets, Accumulated Amortization and Impairment	(14,382)	(13,141)
Other Intangible Assets, Net Carrying Amount	2,582	4,221
Trade name and trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Other Intangible Assets, Original Acquired Amount	8,340	8,340
Other Intangible Assets, Accumulated Amortization and Impairment	(4,511)	(3,864)
Other Intangible Assets, Net Carrying Amount	3,829	4,476
Non-competition agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Other Intangible Assets, Original Acquired Amount	185	185
Other Intangible Assets, Accumulated Amortization and Impairment	(183)	(177)
Other Intangible Assets, Net Carrying Amount	2	8
Licenses
Acquired Finite-Lived Intangible Assets [Line Items]
Other Intangible Assets, Original Acquired Amount	463	463
Other Intangible Assets, Accumulated Amortization and Impairment	(69)	(35)
Other Intangible Assets, Net Carrying Amount	$ 394	$ 428