XML 54 R44.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Reinsurance - Essent Guaranty's Excess of Loss Reinsurance Coverages and Retentions (Details) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2024 USD ($)
Radnor Re, Total |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Remaining Insurance in Force | $ 120,056,819
Remaining Risk in Force | 32,597,334
Remaining Reinsurance in Force | 1,042,618
Remaining First Layer Retention | 1,139,463
Radnor Re 2021-1 Ltd. | Reinsurance Policy, Type [Axis]: Vintage Year Aug 2020 - Mar 2021 |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Remaining Insurance in Force | 27,796,132
Remaining Risk in Force | 7,390,779
Remaining Reinsurance in Force | 250,732
Remaining First Layer Retention | 278,227
Radnor Re 2021-2 Ltd. | Reinsurance Policy, Type [Axis]: Vintage Year Apr 2021 - Sep 2021 |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Remaining Insurance in Force | 32,876,424
Remaining Risk in Force | 9,007,485
Remaining Reinsurance in Force | 301,015
Remaining First Layer Retention | 277,770
Radnor Re 2022-1 Ltd. | Reinsurance Policy, Type [Axis]: Vintage Year Oct 2021 - Jul 2022 |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Remaining Insurance in Force | 29,790,115
Remaining Risk in Force | 8,096,398
Remaining Reinsurance in Force | 209,409
Remaining First Layer Retention | 302,032
Radnor Re 2023-1 | Reinsurance Policy, Type [Axis]: Vintage August 2022- June 2023 |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Remaining Insurance in Force | 29,594,148
Remaining Risk in Force | 8,102,672
Remaining Reinsurance in Force | 281,462
Remaining First Layer Retention | 281,434
OXL, Total |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Remaining Insurance in Force | 117,662,525
Remaining Risk in Force | 32,062,992
Remaining Reinsurance in Force | 287,533
Remaining First Layer Retention | 1,326,490
XOL 2019-1 | Reinsurance Policy, Type [Axis]: Vintage Year Jan 2018 - Dec 2018 |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Remaining Insurance in Force | 5,024,587
Remaining Risk in Force | 1,321,732
Remaining Reinsurance in Force | 76,144
Remaining First Layer Retention | 244,991
XOL 2020-1 | Reinsurance Policy, Type [Axis]: Vintage Year Jan 2019 - Aug 2019 |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Remaining Insurance in Force | 6,290,687
Remaining Risk in Force | 1,658,671
Remaining Reinsurance in Force | 32,770
Remaining First Layer Retention | 212,557
XOL 2022-1 | Reinsurance Policy, Type [Axis]: Vintage Year Oct 2021 - Dec 2022 |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Remaining Insurance in Force | 67,094,902
Remaining Risk in Force | 18,213,963
Remaining Reinsurance in Force | 141,992
Remaining First Layer Retention | 502,788
XOL 2023-1 | Reinsurance Policy, Type [Axis]: Vintage Year Jan 2023 - Dec 2023 |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Remaining Insurance in Force | 39,252,349
Remaining Risk in Force | 10,868,626
Remaining Reinsurance in Force | 36,627
Remaining First Layer Retention | $ 366,154

X
- Definition Reinsurance, Remaining Insurance In Force + References No definition available. + Details
Name: | esnt_ReinsuranceRemainingInsuranceInForce
Namespace Prefix: | esnt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Reinsurance, Remaining Reinsurance In Force + References No definition available. + Details
Name: | esnt_ReinsuranceRemainingReinsuranceInForce
Namespace Prefix: | esnt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Reinsurance, Remaining Risk In Force + References No definition available. + Details
Name: | esnt_ReinsuranceRemainingRiskInForce
Namespace Prefix: | esnt_
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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 -Paragraph Column F -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 -Paragraph Column E -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 -Paragraph Column D -Publisher SEC Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 -Paragraph Column C -Publisher SEC Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 -Paragraph Column B -Publisher SEC Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 -Paragraph Column A -Publisher SEC Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 -Publisher SEC Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column A)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477965/944-235-S99-2 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column B)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477965/944-235-S99-2 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column C)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477965/944-235-S99-2 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column D)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477965/944-235-S99-2 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column E)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477965/944-235-S99-2 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column F)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477965/944-235-S99-2 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477965/944-235-S99-2 + Details
Name: | srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentLineItems
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount per life of risk undertaken originally by insurer that is not ceded to reinsurer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479838/944-20-50-3 + Details
Name: | us-gaap_ReinsuranceRetentionAmountRetainedPerLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_RadnorReTotalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_RadnorRe20211Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReinsuranceContractAxis=Vintage Year Aug 2020 - Mar 2021
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_RadnorRe20212LtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReinsuranceContractAxis=Vintage Year Apr 2021 - Sep 2021
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_RadnorRe20221LtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReinsuranceContractAxis=Vintage Year Oct 2021 - Jul 2022
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_RadnorRe20231Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReinsuranceContractAxis=Vintage August 2022- June 2023
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_OXLMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_XOL20191Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReinsuranceContractAxis=Vintage Year Jan 2018 - Dec 2018
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_XOL20201Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReinsuranceContractAxis=Vintage Year Jan 2019 - Aug 2019
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_XOL20221Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReinsuranceContractAxis=Vintage Year Oct 2021 - Dec 2022
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_XOL20231Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReinsuranceContractAxis=Vintage Year Jan 2023 - Dec 2023
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |