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Note 15 - Statutory Information Statutory Information (Details) - USD ($) $ in Millions | 1 Months Ended |  |
--- | --- | --- | ---
Jan. 31, 2020 | Mar. 31, 2020 | Dec. 31, 2019
Consolidated insurance subsidiaries |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Restricted Net Assets Held by Consolidated Subsidiaries |  | $ 4,000.0 |
Radian Reinsurance |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Risk In Force | $ 6,000.0 |  |
Return of capital | 465.0 |  |
Radian Group Inc. |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Marketable Securities | 200.0 |  |
Radian Guaranty |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Surplus Note | $ 200.0 | $ 300.0 | $ 100.0
Related Party Transaction, Rate | 3.00% |  |
Surplus Note, Notice of Redemption Period | 30 days |  |

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- Definition Risk In Force + References No definition available. + Details
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- Definition The minimum number of days that must be given as notice prior to redemption of the surplus note. + 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://fasb.org/us-gaap/role/ref/legacyRef -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=26873400&loc=d3e23780-122690 + Details
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- Definition Amount of investment in marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties. + References No definition available. + 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 Financial instruments issued by insurance entities (surplus notes) that are includable in surplus for statutory accounting purposes as prescribed or permitted by state laws and regulations that are liabilities of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486086&loc=d3e24387-158525 + Details
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