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v3.23.2

Segment Reporting - Services Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Segment Reporting Information [Line Items] |  |  |  |
Total services revenue | $ 11,797 | $ 27,281 | $ 22,781 | $ 56,629
Title |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total services revenue | 3,233 | 4,895 | 5,787 | 11,298
Valuation |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total services revenue | 4,544 | 10,036 | 8,117 | 19,053
Single family rental |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total services revenue | 1,619 | 8,227 | 4,054 | 15,457
Asset management technology platform |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total services revenue | 1,209 | 1,274 | 2,375 | 2,606
Real estate owned asset management |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total services revenue | 888 | 739 | 1,800 | 1,552
Other real estate services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total services revenue | 0 | 4 | 1 | 5
Real estate technology services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total services revenue | 20 | 0 | 27 | 0
Mortgage |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total services revenue | $ 284 | $ 2,106 | $ 620 | $ 6,658

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- Definition The total net amount of mortgage and real estate services revenue from our Services segment. + References No definition available. + Details
Name: | rdn_ServicesRevenueNet
Namespace Prefix: | rdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
Name: | rdn_ServicesRevenueAxis=rdn_ValuationServicesMember
Namespace Prefix: |
Data Type: | na
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- Details
Name: | rdn_ServicesRevenueAxis=rdn_SingleFamilyRentalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | rdn_ServicesRevenueAxis=rdn_AssetmanagementservicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | rdn_ServicesRevenueAxis=rdn_RealEstateOwnedREOAssetManagementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | rdn_ServicesRevenueAxis=rdn_RealEstateAgentServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
Name: | rdn_ServicesRevenueAxis=rdn_RealEstateTechnologyServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | rdn_ServicesRevenueAxis=rdn_MortgageServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |