XML 54 R44.htm IDEA: XBRL DOCUMENT
v3.25.1

Reinsurance - Quota Share Reinsurance (Details) - Reinsurance Policy, Type [Axis]: Quota Share Reinsurance $ in Billions | 3 Months Ended
--- | ---
Mar. 31, 2025 USD ($)
QSR-2022 |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Ceding Percentage | 20.00%
RIF ceded | $ 9.0
QSR-2023 |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Ceding Percentage | 17.50%
QSR-2024 |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Ceding Percentage | 15.00%
QSR-2025 |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Ceding Percentage | 25.00%
QSR-2019 |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Ceding Percentage | 20.00%
Ceded premiums earned related to percent of risk on eligible single premium policies | 40.00%
QSR 2026 |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |
Ceding Percentage | 25.00%

X
- Definition Reinsurance, Ceded Premiums Earned, Percent Of Risk On All Other Eligible Policies + References No definition available. + Details
Name: | esnt_ReinsuranceCededPremiumsEarnedPercentOfRiskOnAllOtherEligiblePolicies
Namespace Prefix: | esnt_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reinsurance, Ceded Premiums Earned, Percent Of Risk On Eligible Single Premium Policies + References No definition available. + Details
Name: | esnt_ReinsuranceCededPremiumsEarnedPercentOfRiskOnEligibleSinglePremiumPolicies
Namespace Prefix: | esnt_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Risk In Force, Ceded + References No definition available. + Details
Name: | esnt_RiskInForceCeded
Namespace Prefix: | esnt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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
- Details
Name: | us-gaap_ReinsuranceContractAxis=Quota Share Reinsurance
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_QSR2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_QSR2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_QSR2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_QSR2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_QSR2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=esnt_QSR2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |