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Note 10 - Losses and Loss Adjustment Expense Reserve for Losses and LAE by Segment (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |
Reserve for losses and loss adjustment expense |  | $ 738,885 | $ 404,765
Mortgage insurance loss reserves |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |
Reserve for losses and loss adjustment expense | [1] | 734,991 | 401,273
Title insurance loss reserves |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |
Reserve for losses and loss adjustment expense |  | 3,894 | 3,492
First Lien Mortgage Insurance Products | Primary Case Reserves | Mortgage insurance loss reserves |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |
Reserve for losses and loss adjustment expense |  | $ 660,100 | $ 339,800
[1] | Primarily comprises first lien primary case reserves of $660.1 million and $339.8 million at June 30, 2020 and December 31, 2019, respectively.

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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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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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