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Note 15 - Statutory Information Risk To Capital Calculation (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2017 USD ($) | Jun. 30, 2017 USD ($) state | Dec. 31, 2016 USD ($)
Risk to Capital Line Items [Line Items] |  |  |  |
Number Of States That Have A Statutory Or Regulatory Risk Based Capital Requirement | state |  |  | 16 |
Risk To Capital Ratio, Regulatory Maximum |  |  | 25 |
Radian Reinsurance [Member] |  |  |  |
Risk to Capital Line Items [Line Items] |  |  |  |
Statutory policyholders’ surplus |  |  | $ 324.4 | $ 147.6
Capital Contributions |  | $ 175.0 |  |
Radian Guaranty |  |  |  |
Risk to Capital Line Items [Line Items] |  |  |  |
Statutory Accounting Practices, Dividends Paid with Approval of Regulatory Agency |  | $ 175.0 |  |
RIF, net (1) | [1] |  | 37,374.1 | 35,357.8
Common stock and paid-in capital |  |  | 1,866.1 | 2,041.0
Unassigned earnings (deficit) |  |  | (710.0) | (691.3)
Statutory policyholders’ surplus |  |  | 1,156.1 | 1,349.7
Contingency reserve |  |  | 1,460.9 | 1,260.6
Statutory capital |  |  | $ 2,617.0 | $ 2,610.3
Risk-to-capital |  |  | 14.3 | 13.5
Statutory Accounting Practices, Statutory Net Income Amount |  |  | $ 229.8 |
Non RBC States [Member] | Minimum [Member] |  |  |  |
Risk to Capital Line Items [Line Items] |  |  |  |
Capital Required for Capital Adequacy |  |  | 1.0 |
Non RBC States [Member] | Maximum [Member] |  |  |  |
Risk to Capital Line Items [Line Items] |  |  |  |
Capital Required for Capital Adequacy |  |  | $ 5.0 |
Reportable Subsegments [Member] |  |  |  |
Risk to Capital Line Items [Line Items] |  |  |  |
Risk-to-capital |  |  | 13.4 | 13.6
[1] | Excludes risk ceded through reinsurance contracts (to third parties and affiliates) and RIF on defaulted loans.

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- Definition This concept represents the risk in force (an estimate of the maximum loss exposure that an entity has at any point in time) net of risk ceded through reinsurance contracts and net of risk in force on defaulted loans. + References No definition available. + Details
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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 This concept represents statutory surplus plus contingency reserves, the total of which is used in the calculation of risk to capital. + 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://www.xbrl.org/2003/role/presentationRef -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=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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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