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Note 15 - Commitments and Contingencies Contingent Claims for Trade Credit and Surety Primary Insurers (Details) - Trade Credit Reinsurance and Surety Insurance [Member] € in Millions, $ in Millions | Sep. 30, 2015 servicers | Dec. 31, 2014 USD ($) | Dec. 31, 2014 EUR (€)
--- | --- | --- | ---
Financial Guaranty Segment |  |  |
Loss Contingencies [Line Items] |  |  |
Number of Servicers Who Have Submitted Claims | servicers | 1 |  |
Radian Asset Assurance [Member] | Euro Member Countries, Euro |  |  |
Loss Contingencies [Line Items] |  |  |
Loss Contingency, Claims Received Through Reporting Period | € |  |  | € 13.5
Radian Asset Assurance [Member] | United States of America, Dollars |  |  |
Loss Contingencies [Line Items] |  |  |
Loss Contingency, Claims Received Through Reporting Period |  | $ 16.4 |

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- Definition The amount of claims received by the entity through the reporting period for a loss contingency. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition The number of servicers of ceded insurance contracts who have submitted claims to the entity. + 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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- Details
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- Details
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- Details
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