XML 102 R71.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Note 8 - Reinsurance Reinsurance Transaction Details (Details) - USD ($) $ in Thousands |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jan. 01, 2015 | Jan. 31, 2015 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Apr. 02, 2013 | Jun. 30, 2012
Ceded Credit Risk [Line Items] |  |  |  |  |  |  |
Ceded Premiums Earned |  |  | $ 57,780 | $ 61,017 | $ 67,291 |  |
Prepaid Reinsurance Premiums |  |  | 40,491 | 57,291 |  |  |
Initial Quota Share Reinsurance Transaction [Member] | Reinsurer Concentration Risk [Member] | Radian Guaranty [Member] |  |  |  |  |  |  |
Ceded Credit Risk [Line Items] |  |  |  |  |  |  |
Ceded Premiums Written |  |  | 14,471 | 10,217 | 23,047 |  |
Ceded Premiums Earned |  |  | 22,157 | 17,319 | 29,746 |  |
Fees and Commissions |  |  | 3,134 | 4,862 | 5,762 |  |
Percentage of New Insurance Written To Be Ceded |  |  |  |  |  |  | 20.00%
First Lien Primary Mortgage Insurance Risk In Force Ceded |  |  | 800,000 |  |  |  |
Ceded Premiums Earned |  |  | 9,200 |  |  |  |
Unearned Ceding Commissions |  |  | $ 15,000 |  |  |  |
Prepaid Reinsurance Commissions, Amortization Period |  |  | 5 years |  |  |  |
Ceded Commission Percentage | 20.00% |  | 25.00% |  |  |  |
Percentage of Ceded Insurance Subjected to Change in Commission Percentage |  | 66.70% |  |  |  |  |
Initial Quota Share Reinsurance Transaction [Member] | Reinsurer Concentration Risk [Member] | Maximum [Member] | Radian Guaranty [Member] |  |  |  |  |  |  |
Ceded Credit Risk [Line Items] |  |  |  |  |  |  |
First Lien Primary Mortgage Insurance Risk In Force Ceded |  |  |  |  |  |  | $ 1,600,000
Percentage of Reinsurance Able To Be Commuted |  |  | 66.70% |  |  |  |
Second Quota Share Reinsurance Transaction [Member] | Reinsurer Concentration Risk [Member] | Radian Guaranty [Member] |  |  |  |  |  |  |
Ceded Credit Risk [Line Items] |  |  |  |  |  |  |
Ceded Premiums Written |  |  | $ 15,742 | 33,751 | 40,225 |  |
Ceded Premiums Earned |  |  | 24,818 | 29,820 | 18,356 |  |
Fees and Commissions |  |  | 8,309 | $ 11,813 | $ 14,079 |  |
First Lien Primary Mortgage Insurance Risk In Force Ceded |  |  | 1,300,000 |  |  |  |
Ceded Premiums Earned |  |  | 8,000 |  |  |  |
Unearned Ceding Commissions |  |  | $ 8,500 |  |  |  |
Prepaid Reinsurance Commissions, Amortization Period |  |  | 5 years |  |  |  |
Ceded Commission Percentage | 30.00% |  | 35.00% |  |  |  |
Second Quota Share Reinsurance Transaction [Member] | Reinsurer Concentration Risk [Member] | Maximum [Member] | Radian Guaranty [Member] |  |  |  |  |  |  |
Ceded Credit Risk [Line Items] |  |  |  |  |  |  |
First Lien Primary Mortgage Insurance Risk In Force Ceded |  |  | $ 1,600,000 |  |  |  |
Second Quota Share Reinsurance Transaction [Member] | Reinsurer Concentration Risk [Member] | Conventional Mortgage Loan [Member] | Radian Guaranty [Member] |  |  |  |  |  |  |
Ceded Credit Risk [Line Items] |  |  |  |  |  |  |
Percentage of New Insurance Written To Be Ceded |  |  |  |  | 20.00% | 5.00% |
Second Quota Share Reinsurance Transaction [Member] | Reinsurer Concentration Risk [Member] | Conventional Mortgage Loan [Member] | Maximum [Member] |  |  |  |  |  |  |
Ceded Credit Risk [Line Items] |  |  |  |  |  |  |
Percentage of Reinsurance Able To Be Commuted |  |  | 50.00% |  |  |  |

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 Percentage of New Insurance Written To Be Ceded + References No definition available. + Details
Name: | rdn_PercentageOfNewInsuranceWrittenToBeCeded
Namespace Prefix: | rdn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of reinsurance able to be commuted, as per the quota share reinsurance agreement + References No definition available. + Details
Name: | rdn_PercentageOfReinsuranceAbleToBeCommuted
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 The amortization period related to prepaid reinsurance commissions. + References No definition available. + Details
Name: | rdn_PrepaidReinsuranceCommissionsAmortizationPeriod
Namespace Prefix: | rdn_
Data Type: | xbrli:durationItemType
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 Represents upfront payments to the entity related to commissions on ceded insurance risk not yet earned. The amortization of this amount will be netted against the entity's deferred policy acquisition costs on the ceded policies. + References No definition available. + Details
Name: | rdn_UnearnedCedingCommissions
Namespace Prefix: | rdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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
- Definition The unexpired portion of premiums ceded on policies in force as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Prepaid Reinsurance Premiums -URI http://asc.fasb.org/extlink&oid=6521719 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 340 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6485982&loc=d3e22818-158507 + Details
Name: | us-gaap_PrepaidReinsurancePremiums
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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_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: |

X
- Details
Name: | us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis=us-gaap_ConventionalLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |