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Note 4 - Segment Reporting Adjusted Pretax Operating Income (Loss) (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 USD ($) | Sep. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Sep. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) | Jun. 30, 2017 USD ($) | Dec. 31, 2019 USD ($) segment | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Reportable Segments | segment |  |  |  |  |  |  |  |  |  |  | 2 |  |
Net gains (losses) on investments and other financial instruments |  | $ 4,257 | $ 13,009 | $ 12,540 | $ 21,913 | $ (11,705) | $ (4,480) | $ (7,404) | $ (18,887) |  | $ 51,719 | $ (42,476) | $ 3,621
Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  |  | (22,738) | 0 | (51,469)
Impairment of goodwill |  | (4,828) | 0 | 0 | 0 |  |  |  |  |  | (4,828) | 0 | (184,374)
Amortization and impairment of other acquired intangible assets |  | $ (15,823) | $ (2,139) | $ (2,139) | $ (2,187) | $ (3,461) | $ (3,472) | $ (2,748) | $ (2,748) |  | (22,288) | (12,429) | (27,671)
Impairment of Long-Lived Assets Held-for-use |  |  |  |  |  |  |  |  |  |  | (7,507) | (6,404) | (10,545)
Consolidated pretax income |  |  |  |  |  |  |  |  |  |  | 848,993 | 684,186 | 346,737
Mortgage Insurance Segment |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Adjusted pretax operating income (loss) |  |  |  |  |  |  |  |  |  |  | 868,898 | 772,614 | 651,015
Net gains (losses) on investments and other financial instruments |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Mortgage and Real Estate Services Segment |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Adjusted pretax operating income (loss) | [1] |  |  |  |  |  |  |  |  |  | (14,263) | (27,119) | (33,840)
Net gains (losses) on investments and other financial instruments |  |  |  |  |  |  |  |  |  |  | 0 | 0 | $ 0
Impairment of goodwill |  |  |  |  |  |  |  |  |  | $ (184,400) | $ (4,828) | $ 0 |
[1] | Includes inter-segment revenues as reflected in the tables below.

X
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- Definition This concept represents the gains and losses on investments and other financial instruments for the period excluding the impact of changes in the present value of insurance claims and recoveries on insured credit derivatives and VIEs, based on the company's ongoing insurance loss monitoring, which are a component of segment expenses. Also includes other than temporarily impaired losses recognized in earnings. + References No definition available. + Details
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