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Note 14 - Statutory Information Statutory Information (Details) (USD $) |  | 9 Months Ended | 12 Months Ended | 1 Months Ended | 9 Months Ended | 12 Months Ended | 76 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2014 Radian Guaranty [Member] | Dec. 31, 2013 Radian Guaranty [Member] | Jul. 31, 2014 Radian Asset Assurance [Member] | Sep. 30, 2014 Radian Asset Assurance [Member] | Dec. 31, 2013 Radian Asset Assurance [Member] | Sep. 30, 2014 Radian Asset Assurance [Member] | Sep. 30, 2014 Radian Asset Assurance [Member] NEW YORK | Dec. 31, 2015 Radian Asset Assurance [Member] Scenario, Forecast [Member] | Sep. 30, 2014 Radian Asset Assurance [Member] Minimum [Member] NEW YORK | Sep. 30, 2014 Radian Asset Assurance [Member] Minimum [Member] New York State Department of Financial Services [Member] | Sep. 30, 2014 Radian Asset Assurance [Member] Maximum [Member] NEW YORK | Sep. 30, 2014 Financial Guarantee Insurance Product Line [Member] Radian Asset Assurance [Member] Minimum [Member] New York State Department of Financial Services [Member] | Sep. 30, 2014 Other Insurance Product Line [Member] Radian Asset Assurance [Member] Minimum [Member] New York State Department of Financial Services [Member]
Statutory Accounting Practices [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Net Assets Held by Consolidated Subsidiaries | $ 1,900,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Statutory Accounting Practices, Statutory Net Income Amount |  | 393,600,000 | (23,800,000) |  | (7,400,000) | (24,900,000) |  |  |  |  |  |  |  |
Statutory capital |  | 1,326,100,000 | 1,317,800,000 |  | 1,033,100,000 | 1,198,000,000 | 1,033,100,000 |  |  |  |  |  |  |
Statutory contingency reserve |  | 291,400,000 | 23,000,000 |  | 287,700,000 | 264,000,000 | 287,700,000 |  |  |  |  |  |  |
Statutory Accounting Practices, Percent of Statutory Surplus to Policyholders Available for Dividend Payments without Regulatory Approval |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |
Statutory Accounting Practices, Percent of Statutory Adjusted Net Investment Income Available for Dividend Payments without Regulatory Approval |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |
Cash Dividends Paid to Parent Company by Consolidated Subsidiaries |  |  |  | 150,000,000 |  |  |  |  |  |  |  |  |  |
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval |  |  |  |  |  |  |  |  | 26,500,000 |  |  |  |  |
Claims Paying Resources |  |  |  |  | 1,400,000,000 |  | 1,400,000,000 |  |  |  |  |  |  |
Percentage Reduction Of Net Par Outstanding |  |  |  |  |  |  | 83.00% |  |  |  |  |  |  |
Net Par Outstanding |  |  |  |  | 19,400,000,000 |  | 19,400,000,000 |  |  |  |  |  |  |
Aggregate Risk Limit For Financial Guarantee Insurance Contracts |  |  |  |  |  |  |  |  |  | 0.33% |  | 4.00% |  |
Statutory Minimum Policyholders' Surplus Required For Financial Guaranty Insurers In The State Of New York |  |  |  |  |  |  |  |  |  |  | $ 66,400,000 |  | $ 65,000,000 | $ 1,400,000

X
- Definition This represents the risk limits imposed by the New York insurance laws for financial guarantee insurance contracts. The limit is based on the aggregate net liability (defined as outstanding principal and interest of guaranteed obligations insured, net of qualifying reinsurance and collateral) as compared with statutory capital. + 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 This concept represents the proportionate share of the aggregate outstanding principal exposure on insured obligations. + References No definition available. + Details
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- Definition Percentage Reduction Of Net Par Outstanding + References No definition available. + Details
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- Definition The amount of the entity's restricted net assets which are held by consolidated subsidiaries (entity's investment in subsidiaries). + References No definition available. + Details
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- Definition This concept represents the maximum percentage of statutory adjusted net investment income used in the calculation of total dividends available to be paid by an entity without regulatory approval and includes all dividend payments made in that twelve month period. + References No definition available. + Details
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- Definition This concept represents the percent of statutory surplus to policyholders available for dividend payments without needing regulatory approval that an entity can pay within a twelve month period including all dividend payments made in that period. + References No definition available. + Details
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- Definition This element represents disclosure of the aggregate cash dividends paid to the entity by consolidated subsidiaries. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.9-06) -URI http://asc.fasb.org/extlink&oid=6882215&loc=d3e537971-122884 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 06 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph b -Article 12 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(b)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
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- Definition Amount of policyholders' surplus excluded from calculating deferred taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(c) -URI http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 740 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6479915&loc=d3e66715-112838 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 995 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6503627&loc=d3e59836-110443 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 3 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28200-109314 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 + Details
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- Definition Amount of dividends that can be declared or paid without approval of regulatory agency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph e -Article 4 + 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 210.7-03.23(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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 24 -Subparagraph c -Article 7 + 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://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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 24 -Subparagraph c -Article 7 + Details
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