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Note 3 - Segment Reporting Reconciliation of Segment to Consolidated Results Pretax (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Adjusted pretax operating income (loss) |  | $ 202,070 | $ 164,103
Net gains (losses) on investments and other financial instruments |  | 21,913 | (18,887)
Acquisition-related (expenses) benefits | [1] | (233) | 0
Amortization and impairment of other acquired intangible assets |  | (2,187) | (2,748)
Impairment of other long-lived assets and loss from the sale of a business line | [2] | (5,427) | (26)
Consolidated pretax income (loss) |  | 216,136 | 142,442
Mortgage Insurance Segment |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Adjusted pretax operating income (loss) | [3] | 208,170 | 171,711
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) | [3] | $ (6,100) | $ (7,608)
[1] | Acquisition-related expenses represent expenses incurred to effect the acquisition of a business, net of adjustments to accruals previously recorded for acquisition expenses.
[2] | The amount for the three months ended March 31, 2019 is included in other operating expenses on the condensed consolidated statement of operations and primarily relates to impairments of other long-lived assets. The amount for the three months ended March 31, 2018 is included within restructuring and other exit costs on the condensed consolidated statement of operations.
[3] | Includes inter-segment expenses and revenues as listed in the notes to the preceding tables.

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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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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
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