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Statutory Information - Statutory Financial Statements (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) insuranceSubsidiary | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Statutory Accounting Practices [Line Items] |  |  |
Number of insurance subsidiaries | insuranceSubsidiary | 2 |  |
Radian Guaranty |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Statutory net income | $ 1,091,946 | $ 762,609 | $ 474,431
Statutory policyholders' surplus | 758,467 | 1,105,266 | 842,188
Other mortgage subsidiaries |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Statutory net income | 1,957 | 1,669 | 1,086
Statutory policyholders' surplus | 17,086 | 14,524 | 41,327
Radian Title Insurance |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Statutory net income | 2,589 | 6,862 | 2,126
Statutory policyholders' surplus | $ 39,285 | $ 36,599 | $ 28,849

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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 https://asc.fasb.org/extlink&oid=126734703&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 https://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 https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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