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Note 11 - Losses and LAE Reserve for Losses and LAE by Segment (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | --- | ---
Reserve for losses and LAE |  | $ 404,765 |  | $ 401,361 |  |  |
Mortgage insurance loss reserves |  |  |  |  |  |  |
Reserve for losses and LAE |  | 401,273 | [1],[2] | 397,891 | [2] | $ 507,588 | $ 760,269
Services loss reserves |  |  |  |  |  |  |
Reserve for losses and LAE | [3] | 3,492 |  | 3,470 |  |  |
Primary Case Reserves | Prime Mortgage Insurance Product | Mortgage insurance loss reserves |  |  |  |  |  |  |
Reserve for losses and LAE | [2] | $ 339,800 |  | $ 361,700 |  |  |
[1] | Excludes Services reserve for losses and LAE of $3.5 million.
[2] | Primarily comprises first lien primary case reserves of $339.8 million and $361.7 million at December 31, 2019 and 2018, respectively.
[3] | A majority of this amount is subject to reinsurance, with the related reinsurance recoverables reported in other assets in our consolidated balance sheet, and relates to Radian Title Insurance. For all periods presented, total incurred losses and paid claims for Radian Title Insurance were not material.

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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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