XML 81 R67.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Losses and LAE - Schedule of Provision for Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Effects of Reinsurance [Line Items] |  |  |  |
Total provision for losses | $ (1,745) | $ (21,632) | $ (8,779) | $ (38,561)
Mortgage insurance |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |
Total provision for losses | (1,769) | (21,623) | (8,655) | (38,487)
Title insurance |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |
Total provision for losses | $ 24 | $ (9) | $ (124) | $ (74)

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_EffectsOfReinsuranceLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after effects of policies assumed or ceded, of expense related to the provision for policy benefits and costs incurred. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(5)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 + Details
Name: | us-gaap_PolicyholderBenefitsAndClaimsIncurredNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=rdn_MortgageInsuranceSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=rdn_TitleInsuranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |