XML 64 R34.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Schedule IV - Reinsurance | 12 Months Ended
--- | ---
Dec. 31, 2024
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract] |
Schedule IV - Reinsurance | SCHEDULE IV SELECTIVE INSURANCE GROUP, INC. AND CONSOLIDATED SUBSIDIARIES REINSURANCE Years ended December 31, 2024, 2023, and 2022
($ thousands) |  | Direct Amount |  | Ceded to Other Companies |  | Assumed from Other Companies |  | Net Amount |  | % of Amount Assumed to Net
2024 |  |  |  |  |  |  |  |  |  |
Premiums earned: |  |  |  |  |  |  |  |  |  |
Accident and health insurance |  | $ | — |  |  | — |  |  | — |  |  | — |  |  | — |
Property and liability insurance |  | 5,034,952 |  |  | 684,955 |  |  | 26,450 |  |  | 4,376,447 |  |  | 1 | %
Total premiums earned |  | 5,034,952 |  |  | 684,955 |  |  | 26,450 |  |  | 4,376,447 |  |  | 1 | %
2023 |  |  |  |  |  |  |  |  |  |
Premiums earned: |  |  |  |  |  |  |  |  |  |
Accident and health insurance |  | $ | — |  |  | — |  |  | — |  |  | — |  |  | — |
Property and liability insurance |  | 4,386,556 |  |  | 583,977 |  |  | 25,027 |  |  | 3,827,606 |  |  | 1 | %
Total premiums earned |  | 4,386,556 |  |  | 583,977 |  |  | 25,027 |  |  | 3,827,606 |  |  | 1 | %
2022 |  |  |  |  |  |  |  |  |  |
Premiums earned: |  |  |  |  |  |  |  |  |  |
Accident and health insurance |  | $ | — |  |  | — |  |  | — |  |  | — |  |  | — |
Property and liability insurance |  | 3,880,522 |  |  | 537,884 |  |  | 30,742 |  |  | 3,373,380 |  |  | 1 | %
Total premiums earned |  | 3,880,522 |  |  | 537,884 |  |  | 30,742 |  |  | 3,373,380 |  |  | 1 | %
See accompanying Report of Independent Registered Public Accounting Firm in Item 8. "Financial Statements and Supplementary Data." of this Form 10-K.

X
- References No definition available. + Details
Name: | srt_SupplementalScheduleOfReinsurancePremiumsForInsuranceCompaniesAbstract
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for the supplemental schedule of reinsurance information. Reinsurance schedule includes, but is not limited to, the type of insurance, gross amount of premiums, premiums ceded to other entities, premiums assumed from other entities, net amount of premium revenue, and the percentage of the premiums assumed to net premium revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 -Publisher SEC Reference 2: 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_SupplementalScheduleOfReinsurancePremiumsForInsuranceCompaniesTextBlock
Namespace Prefix: | srt_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration