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Reinsurance - Excess of Loss Reinsurance (Details) - Reinsurance Policy, Type [Axis]: Mortgage Insurance | 3 Months Ended
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Mar. 31, 2023
Other Reinsurance | Essent Guaranty |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Amortization period | 10 years
VIE | Mortgage Insurance Linked Notes | Radnor Re |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Reinsurance retention policy, debt issued to cover insurance, term | 10 years
VIE | Radnor Re |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Amortization period | 10 years

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- Definition Reinsurance, Debt Issued To Cover Insurance, Term + References No definition available. + Details
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Data Type: | xbrli:durationItemType
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- References No definition available. + Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Period Type: |

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- Details
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- Details
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- Details
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Namespace Prefix: |
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- Details
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- Details
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