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Note 13 - Statutory Information (Tables) | 3 Months Ended
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Mar. 31, 2015
Statutory Information [Abstract] |
Statutory Accounting Practices Disclosure [Table Text Block] | Radian Guaranty’s statutory net income, statutory policyholders’ surplus and contingency reserve as of and for the periods indicated were as follows:
(In millions) | As of and for the Three Months Ended March 31, 2015 |  | As of and for the Year Ended December 31, 2014
Statutory net income | $ | 110.8 |  |  | $ | 273.7 |
Statutory policyholders’ surplus | 1,349.4 |  |  | 1,325.2 |
Contingency reserve | 487.6 |  |  | 389.4 |
Risk To Capital Calculation [Table Text Block] | Radian Guaranty’s Risk-to-capital calculation appears in the table below. For purposes of the Risk-to-capital calculation, as well as the Risk-to-capital requirements imposed by certain states, statutory capital is defined as the sum of statutory policyholders’ surplus (i.e., statutory capital and surplus) plus statutory contingency reserves.
| March 31, 2015 |  | December 31, 2014
($ in millions) |  |  |
RIF, net (1) | $ | 31,324.0 |  |  | $ | 30,615.7 |
Statutory policyholders’ surplus | $ | 1,349.4 |  |  | $ | 1,325.2 |
Contingency reserve | 487.6 |  |  | 389.4 |
Statutory capital | $ | 1,837.0 |  |  | $ | 1,714.6 |
Risk-to-capital | 17.1:1 |  | 17.9:1
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(1) | Excludes risk ceded through reinsurance contracts (to third parties and affiliates) and RIF on defaulted loans.

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- Definition Tabular disclosure of how the entity's reporting under GAAP as of the balance sheet date differs from the results based on prescribed and permitted accounting practices of the state or country of domicile in which a relevant statutory filing is made, or differences in results based on the National Association of Insurance Commissioners (NAIC) prescribed practices, or a combination thereof. Describes the accounting practices used and the related monetary effect on statutory surplus, net income, and risk-based capital. If an insurance enterprise's risk-based capital would have triggered a regulatory event had it not used a permitted practice, that fact is disclosed in the financial statements. Permitted statutory accounting practices include practices not prescribed but allowed by the domiciliary state insurance department regulatory authority. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24708-158529 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24790-158529 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24746-158529 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.23(c)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 55 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6588579&loc=d3e24938-158530 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 55 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6588579&loc=d3e24959-158530 + Details
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