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v3.22.4

Losses and LAE - Reserve Activity (Details) | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Time in default | 2 years |  |
Mortgage | Primary Mortgage Product |  |  |
New defaults | 8.00% | 8.00% | 8.50%
Foreclosure Stage Defaults | 75.00% | 85.00% | 75.00%
Mortgage | Time in Default: less than 2 years | Primary Mortgage Product |  |  |
Defaults not in Foreclosure Stage | 21.80% | 41.60% | 21.00%
Mortgage | Time in Default: less than 2 years | Maximum | Primary Mortgage Product |  |  |
Defaults not in Foreclosure Stage | 55.00% | 80.10% | 55.00%
Mortgage | Time in Default: 2 - 5 years | Primary Mortgage Product |  |  |
Defaults not in Foreclosure Stage | 65.00% | 75.00% | 62.50%
Mortgage | Time in Default: > 5 years | Primary Mortgage Product |  |  |
Defaults not in Foreclosure Stage | 70.00% | 80.00% | 70.00%

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- Definition This concept represents the rate at which defaulted loans that have reached the stage where the foreclosure sale has been scheduled or held are expected to result in a claim. + References No definition available. + Details
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Namespace Prefix: | rdn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition This concept represents the rate at which newly reported defaulted loans are expected to result in a claim. + References No definition available. + Details
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Namespace Prefix: | rdn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition This concept represents the rate at which defaulted loans that have not yet reached the foreclosure stage are expected to result in a claim. + References No definition available. + Details
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Namespace Prefix: | rdn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Time In Default + References No definition available. + Details
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Namespace Prefix: | rdn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |