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Statutory Information - Narrative (Details) $ in Millions | Feb. 11, 2022 USD ($) | Jun. 30, 2022 USD ($) state | Dec. 31, 2021 USD ($)
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Statutory Accounting Practices [Line Items] |  |  |
Risk to capital ratio, regulatory maximum |  | 25 |
Statutory accounting practices, amount available for return of capital with regulatory approval | $ 500.0 |  |
Consolidated insurance subsidiaries |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Restricted net assets held by consolidated subsidiaries |  | $ 4,300.0 |
Radian Guaranty |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Risk to capital ratio |  | 11.9 | 11.1
Statutory accounting practices, contingency reserve |  | $ 4,100.0 |
Statutory accounting practices, distributions, decrease | $ 500.0 |  |
Radian Reinsurance |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Statutory accounting practices, statutory amount available for dividend payments |  |  | $ 32.7
State Insurance Regulations |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Number of states that have a statutory or regulatory risk based capital requirement | state |  | 16 |

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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 Statutory Accounting Practices, Statutory Amount Available for Return Of Capital with Regulatory Approval + References No definition available. + Details
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- Definition Statutory Accounting Practices, Statutory Capital and Surplus, Distributions, Decrease + 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 https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + 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 Amount of dividends available for payment after computation of statutory restrictions on capital surplus. + References No definition available. + Details
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