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Note 10 - Losses and Loss Adjustment Expense Reserve for Losses and LAE by Segment (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |
Reserve for losses and loss adjustment expense (Note 10) |  | $ 398,141 | $ 401,361 |  |
Mortgage Insurance Segment |  |  |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |
Reserve for losses and loss adjustment expense (Note 10) |  | 394,087 | 397,891 | $ 408,980 | $ 507,588
Mortgage and Real Estate Services Segment |  |  |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |
Reserve for losses and loss adjustment expense (Note 10) | [1] | $ 4,054 | $ 3,470 |  |
[1] | The Services loss reserves relate to Radian Title Insurance and the majority is subject to reinsurance, with the related reinsurance recoverables reported in other assets in our condensed consolidated balance sheets. For all periods presented, total incurred losses and paid claims for Radian Title Insurance were not material. See Note 8 of Notes to Consolidated Financial Statements in our 2018 Form 10-K for additional information about our use of reinsurance in our title insurance business.

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- Definition The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (cc) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 + Details
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