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Note 3 - Segment Reporting Adjusted Pretax Operating Income (Loss) (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) $ / shares | Sep. 30, 2018 USD ($)
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |
Adjusted pretax operating income (loss) | $ 212,743 | $ 196,699 | $ 630,652 |  | $ 551,811
Net gains (losses) on investments and other financial instruments | 13,009 | (4,480) | 47,462 |  | (30,771)
Loss on extinguishment of debt | (5,940) | 0 | (22,738) |  | 0
Amortization and impairment of other acquired intangible assets | (2,139) | (3,472) | (6,465) |  | (8,968)
Impairment of other long-lived assets and other-non-operating items | 0 | (4,059) | (5,557) |  | (4,371)
Consolidated pretax income (loss) | $ 217,673 | 184,688 | 643,354 |  | 507,701
Increase in Net Premium Earned |  |  | 32,900 |  |
Reduction in Other Operating Expense |  |  | $ 6,200 |  |
Percent of LTV at which HPA Must Be Canceled Automatically | 0.78 |  | 0.78 |  |
Mortgage Insurance Segment |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |
Adjusted pretax operating income (loss) | $ 214,256 | 204,620 | $ 641,791 | [1] | 573,771
Increase in Net Premiums Earned Per Share | $ / shares |  |  | $ 0.12 |  |
Decrease in Other Operating Expenses Per Share | $ / shares |  |  | $ 0.02 |  |
Mortgage and Real Estate Services Segment |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |
Adjusted pretax operating income (loss) | $ (1,513) | $ (7,921) | $ (11,139) |  | $ (21,960)
[1] | Includes a cumulative adjustment to unearned premiums recorded in the second quarter of 2019 related to an update to the amortization rates used to recognize revenue for Single Premium Policies, as further described below.

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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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