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Statutory Information (Tables) | 9 Months Ended
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Sep. 30, 2025
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract] |
Schedule of Statutory Net Income (Loss) and Statutory Policyholders' Surplus | Excluding Radian Title Insurance, whose results are immaterial and are included in discontinued operations, our insurance subsidiaries’ statutory net income (loss) for the periods indicated, and statutory policyholders’ surplus as of the dates indicated, are as follows.
Statutory net income (loss) |  |  |  |  |  |
|  | Nine Months Ended September 30, |
(In thousands) |  | 2025 |  |  | 2024 |
Radian Guaranty |  | $ | 550,343 |  |  | $ | 588,122 |
Other mortgage insurance subsidiaries |  |  | 843 |  |  |  | (1,295 | )
Statutory policyholders’ surplus |  |  |  |  |  |
(In thousands) |  | September 30, 2025 |  |  | December 31, 2024 |
Radian Guaranty |  | $ | 661,022 |  |  | $ | 722,861 |
Other mortgage insurance subsidiaries |  |  | 16,818 |  |  |  | 16,515 |

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- Definition Tabular disclosure of how the entity's reporting under GAAP as of the balance sheet date differs from the results based on prescribed and permitted accounting practices of the state or country of domicile in which a relevant statutory filing is made, or differences in results based on the National Association of Insurance Commissioners (NAIC) prescribed practices, or a combination thereof. Describes the accounting practices used and the related monetary effect on statutory surplus, net income, and risk-based capital. If an insurance enterprise's risk-based capital would have triggered a regulatory event had it not used a permitted practice, that fact is disclosed in the financial statements. Permitted statutory accounting practices include practices not prescribed but allowed by the domiciliary state insurance department regulatory authority. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 505 -Name Accounting Standards Codification -Section 55 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478420/944-505-55-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477908/944-505-50-5 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477908/944-505-50-3 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477908/944-505-50-1 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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