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Note 7 - Goodwill and Other Acquired Intangible Assets, Net Schedule of Goodwill (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Jun. 30, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Goodwill [Line Items] |  |  |  |  |  |  |  |
Impairment of goodwill | $ (4,828) | $ 0 | $ 0 | $ 0 |  | $ (4,828) | $ 0 | $ (184,374)
Mortgage and Real Estate Services Segment |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Beginning Balance, Goodwill, Gross |  |  |  | 200,561 |  | 200,561 | 197,391 |
Beginning Balance, Accumulated Impairment Loss |  |  |  | (186,469) |  | (186,469) | (186,469) |
Beginning Balance, Goodwill, Net |  |  |  | $ 14,092 |  | 14,092 | 10,922 |
Goodwill, Acquired During Period |  |  |  |  |  | 538 | 3,170 |
Impairment of goodwill |  |  |  |  | $ (184,400) | (4,828) | 0 |
Ending Balance, Goodwill, Gross | 201,099 |  |  |  |  | 201,099 | 200,561 | 197,391
Ending Balance, Accumulated Impairment Loss | (191,297) |  |  |  |  | (191,297) | (186,469) | (186,469)
Beginning Balance, Goodwill, Net | $ 9,802 |  |  |  |  | 9,802 | $ 14,092 | $ 10,922
Technology | Mortgage and Real Estate Services Segment |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Period Increase (Decrease) |  |  |  |  |  | $ 500 |  |

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