XML 56 R34.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Note 15 - Statutory Information (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2017
Supplementary Insurance Information [Abstract] |
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 plus statutory contingency reserves.
| June 30, 2017 |  | December 31, 2016
($ in millions) |  |  |
RIF, net (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 | 14.3:1 |  | 13.5:1
______________________
(1) | Excludes risk ceded through reinsurance contracts (to third parties and affiliates) and RIF on defaulted loans.

X
- Definition Risk To Capital Calculation [Table Text Block] + References No definition available. + Details
Name: | rdn_StatutoryAccountingPracticesRiskToCapitalCalculationTableTextBlock
Namespace Prefix: | rdn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SupplementaryInsuranceInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration