XML 26 R57.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Note 7 - Reinsurance Reinsurance Transactions (Details) - Reinsurer Concentration Risk [Member] - Radian Guaranty [Member] $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($) | Dec. 31, 2014 | Dec. 31, 2012 transaction
Ceded Credit Risk [Line Items] |  |  |  |  |  |
Number of Quota Share Reinsurance Agreements | transaction |  |  |  |  |  | 2
Initial Quota Share Reinsurance Transaction [Member] |  |  |  |  |  |
Ceded Credit Risk [Line Items] |  |  |  |  |  |
Ceded Premiums Written | $ 3,437 | $ 4,668 | $ 11,326 | $ 15,018 |  |
Ceded Premiums Earned | 5,068 | 6,578 | 17,510 | 20,188 |  |
Fees and Commissions | 745 | 1,166 | $ 2,453 | 3,754 |  |
Ceded Insurance Commission Percentage |  |  | 20.00% |  | 25.00% |
First Lien Primary Mortgage Insurance Risk In Force Ceded | 900,000 |  | $ 900,000 |  |  |
Percentage of Ceded Insurance Subjected to Change in Commission Percentage |  |  | 66.70% |  |  |
Initial Quota Share Reinsurance Transaction [Member] | Maximum [Member] |  |  |  |  |  |
Ceded Credit Risk [Line Items] |  |  |  |  |  |
First Lien Primary Mortgage Insurance Risk In Force Ceded | 1,600,000 |  | $ 1,600,000 |  |  |
Second Quota Share Reinsurance Transaction [Member] |  |  |  |  |  |
Ceded Credit Risk [Line Items] |  |  |  |  |  |
Ceded Premiums Written | 5,029 | 9,082 | 11,953 | 24,447 |  |
Ceded Premiums Earned | 7,135 | 7,699 | 18,942 | 21,481 |  |
Fees and Commissions | $ 1,998 | $ 3,179 | $ 6,437 | $ 8,557 |  |
Percentage of Ceded Insurance Subjected to Change in Commission Percentage | 50.00% |  | 50.00% |  |  |
First Lien Primary Mortgage Insurance Risk In Force Ceded | $ 1,400,000 |  | $ 1,400,000 |  |  |
Profit Commission Earned on Ceded Risk | 700 |  | 6,500 |  |  |
Second Quota Share Reinsurance Transaction [Member] | Maximum [Member] |  |  |  |  |  |
Ceded Credit Risk [Line Items] |  |  |  |  |  |
First Lien Primary Mortgage Insurance Risk In Force Ceded | $ 1,600,000 |  | $ 1,600,000 |  |  |

X
- Definition Percentage of commissions due to ceded insurance. + References No definition available. + Details
Name: | rdn_CededInsuranceCommissionPercentage
Namespace Prefix: | rdn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition First Lien Primary Mortgage Insurance Risk In Force Ceded + References No definition available. + Details
Name: | rdn_FirstLienPrimaryMortgageInsuranceRiskInForceCeded
Namespace Prefix: | rdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This concept represents the number of quota share reinsurance agreements the company has entered into with third party reinsurance providers. + References No definition available. + Details
Name: | rdn_NumberofQuotaShareReinsuranceAgreements
Namespace Prefix: | rdn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of reinsurance able to be recaptured, as per the quota share reinsurance agreement. + References No definition available. + Details
Name: | rdn_PercentageOfReinsuranceAbleToBeRecaptured
Namespace Prefix: | rdn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of the entity's ceded risk related to a quota share arrangement which was subjected to a change in ceding commission percentage. + References No definition available. + Details
Name: | rdn_PercentageofCededInsuranceSubjectedtoChangeinCommissionPercentage
Namespace Prefix: | rdn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition A commission paid on the ceded insurance risk in lieu of recapturing the risk per the initial agreement. + References No definition available. + Details
Name: | rdn_ProfitCommissionEarnedonCededRisk
Namespace Prefix: | rdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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
Name: | us-gaap_CededCreditRiskLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of earned premiums ceded to other entities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.1) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b),(c)(2) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486662&loc=d3e27175-158546 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 + Details
Name: | us-gaap_CededPremiumsEarned
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of written premiums ceded to other entities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b),(c)(2) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 17 -Article 12 + Details
Name: | us-gaap_CededPremiumsWritten
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of fees and commissions from financial services and banking activities and correspondent clearing. Includes fees from depositor accounts, credit cards, merchant discounts, and fiduciary and trust activities, guarantee fees, investment advisory, management, and administrative fees, transfer agent fees, and insurance commissions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
Name: | us-gaap_FeesAndCommissions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_ReinsurerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=rdn_RadianGuarantyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CededCreditRiskAxis=rdn_InitialQuotaShareReinsuranceTransactionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CededCreditRiskAxis=rdn_SecondQuotaShareReinsuranceTransactionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |