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Note 16 - Statutory Information - Statutory Information (Details) $ in Thousands |  | 9 Months Ended |
--- | --- | --- | ---
Sep. 22, 2021 USD ($) | Sep. 30, 2021 USD ($) state | Sep. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Statutory Accounting Practices [Line Items] |  |  |  |
Risk To Capital Ratio, Regulatory Maximum |  | 25 |  |
State Insurance Regulations |  |  |  |
Statutory Accounting Practices [Line Items] |  |  |  |
Number Of States That Have A Statutory Or Regulatory Risk Based Capital Requirement | state |  | 16 |  |
Radian Guaranty |  |  |  |
Statutory Accounting Practices [Line Items] |  |  |  |
Statutory Net Income (Loss) |  | $ 516,866 | $ 260,175 |
Statutory Accounting Practices, Statutory Capital and Surplus, Balance |  | 646,923 |  | $ 481,484
Statutory Accounting Practices, Contingency Reserve |  | $ 3,800,000 |  |
Risk To Capital Ratio |  | 11.4 |  | 12.7
Radian Reinsurance |  |  |  |
Statutory Accounting Practices [Line Items] |  |  |  |
Statutory Net Income (Loss) |  | $ 8,765 | 30,358 |
Statutory Accounting Practices, Statutory Capital and Surplus, Balance |  | 328,430 |  | $ 360,704
Return of capital | $ 36,000 |  |  |
Other MI Companies |  |  |  |
Statutory Accounting Practices [Line Items] |  |  |  |
Statutory Net Income (Loss) |  | 777 | 929 |
Statutory Accounting Practices, Statutory Capital and Surplus, Balance |  | 42,715 |  | 41,327
Radian Title Insurance |  |  |  |
Statutory Accounting Practices [Line Items] |  |  |  |
Statutory Net Income (Loss) |  | 4,777 | $ 1,399 |
Statutory Accounting Practices, Statutory Capital and Surplus, Balance |  | 34,342 |  | $ 28,849
Consolidated insurance subsidiaries |  |  |  |
Statutory Accounting Practices [Line Items] |  |  |  |
Restricted Net Assets Held by Consolidated Subsidiaries |  | $ 4,600,000 |  |

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- Definition Number Of States That Have A Statutory Or Regulatory Risk Based Capital Requirement + References No definition available. + Details
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- Definition This concept represents an entity's ratio of net risk in force (excludes risk ceded through reinsurance contracts and risk in force on defaulted loans) to the amount of statutory capital (defined as the sum of statutory policyholders' surplus plus statutory contingency reserves). + References No definition available. + Details
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- Definition This concept represents the maximum ratio of net risk in force (net of risk ceded through reinsurance contracts and risk in force on defaulted loans) to statutory capital (defined as the sum of statutory policyholders' surplus plus statutory contingency reserves) allowed in those states which have statutory risk-based capital requirements. + References No definition available. + Details
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- Definition Funds separated from retained earnings and held to cover any unforeseen future business losses. + References No definition available. + Details
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- Definition Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(3)(ii)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition Amount of dividends paid subject to regulatory approval. + References No definition available. + 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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- Definition The amount of statutory capital and surplus (stockholders' equity) as of the balance sheet date using prescribed or permitted statutory accounting practices (rather than GAAP, if different) of the state or country. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(c)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24708-158529 + Details
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- Definition Amount of net income for the period determined using accounting principles prescribed or permitted by insurance regulators. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(c)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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