XML 63 R31.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Schedule I - Summary of Investments - Other Than Investments in Related Parties | 12 Months Ended
--- | ---
Dec. 31, 2023
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Abstract] |
Schedule I - Summary of Investments- Other than Investments in Related Parties | SCHEDULE I SELECTIVE INSURANCE GROUP, INC. AND CONSOLIDATED SUBSIDIARIES SUMMARY OF INVESTMENTS - OTHER THAN INVESTMENTS IN RELATED PARTIES December 31, 2023
Types of investment |  |  |  |  |  |
($ in thousands) |  | Amortized Cost or Cost |  | Fair Value |  | Carrying Amount
Fixed income securities: |  |  |  |  |  |
Held-to-maturity: |  |  |  |  |  |
All other corporate securities |  | $ | 22,700 |  |  | 21,923 |  |  | 22,700 |
Total fixed income securities, held-to-maturity |  | 22,700 |  |  | 21,923 |  |  | 22,700 |
Available-for-sale: |  |  |  |  |  |
U.S. government and government agencies |  | 223,157 |  |  | 205,035 |  |  | 205,035 |
Foreign government |  | 11,140 |  |  | 9,803 |  |  | 9,803 |
Obligations of states and political subdivisions |  | 612,938 |  |  | 585,965 |  |  | 585,965 |
Public utilities |  | 150,064 |  |  | 142,425 |  |  | 142,425 |
All other corporate securities |  | 2,683,984 |  |  | 2,568,814 |  |  | 2,568,814 |
Collateralized loan obligation securities and other asset-backed securities |  | 1,911,831 |  |  | 1,834,827 |  |  | 1,834,827 |
Residential mortgage-backed securities |  | 1,568,960 |  |  | 1,477,483 |  |  | 1,477,483 |
Commercial mortgage-backed securities |  | 718,623 |  |  | 674,845 |  |  | 674,845 |
Total fixed income securities, available-for-sale |  | 7,880,697 |  |  | 7,499,197 |  |  | 7,499,197 |
Equity securities: |  |  |  |  |  |
Common stock: |  |  |  |  |  |
Banks, trusts and insurance companies |  | 33,224 |  |  | 32,725 |  |  | 32,725 |
Industrial, miscellaneous and all other |  | 147,892 |  |  | 152,614 |  |  | 152,614 |
Nonredeemable preferred stock |  | 1,960 |  |  | 1,816 |  |  | 1,816 |
Total equity securities |  | 183,076 |  |  | 187,155 |  |  | 187,155 |
Commercial mortgage loans |  | 188,708 |  |  |  |  | 188,417 |
Short-term investments |  | 309,300 |  |  |  |  | 309,317 |
Alternative investments |  | 395,779 |  |  |  |  | 395,779 |
Other investments |  | 91,164 |  |  |  |  | 91,164 |
Total investments |  | $ | 9,071,424 |  |  |  |  | 8,693,729 |
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_SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesAbstract
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure of information about investment held by insurance company, excluding investment in related party. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 15 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 7 -Subparagraph (SX 210.12-15) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-7 + Details
Name: | srt_SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesTextBlock
Namespace Prefix: | srt_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration