XML 69 R60.htm IDEA: XBRL DOCUMENT
v3.23.3

Earnings per Share (EPS) - Schedule of Percent of Shares Issuable Under Terms of Agreement (Details) | 9 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
2023 Performance-Based Grants |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |
Vesting percent | 200.00% |
Percentage of award issuable if current period end were end of contingency period | 100.00% |
2022 Performance-Based Grants |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |
Performance period | 3 years |
Vesting percent | 200.00% | 146.00%
Percentage of award issuable if current period end were end of contingency period | 100.00% | 73.00%
2021 Performance-Based Grants |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |
Performance period | 3 years |
Vesting percent | 157.00% | 100.00%
Percentage of award issuable if current period end were end of contingency period | 78.50% | 50.00%
2020 Performance-Based Grants |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |
Vesting percent |  | 100.00%

X
- Definition Percentage of vesting of share-based compensation awards if the end of the current reporting period were the end of the vesting period. + References No definition available. + Details
Name: | esnt_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPeriodToDateVestingRightsPercentage
Namespace Prefix: | esnt_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Awards Earned, Percentage Of Target Shares Granted + References No definition available. + Details
Name: | esnt_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsEarnedPercentageOfTargetSharesGranted
Namespace Prefix: | esnt_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the period over which a performance condition to the award is measured, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | esnt_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriod
Namespace Prefix: | esnt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 60B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-60B + Details
Name: | us-gaap_EarningsPerShareDilutedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=esnt_TwoThousandTwentyThreePerformanceBasedGrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=esnt_TwoThousandTwentyTwoPerformanceBasedGrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=esnt_TwoThousandTwentyOnePerformanceBasedGrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=esnt_TwoThousandTwentyPerformanceBasedGrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |