SCHEDULE I - SUMMARY OF INVESTMENTS - OTHER THAN INVESTMENTS IN RELATED PARTIES

12 Months Ended

Dec. 31, 2021

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 — Summary of investments - Other than investments in related parties - December 31, 2021
(In thousands) Type of Investment	Amortized Cost		Fair Value		Amount at which shown in the balance sheet
Fixed income:
Bonds:
United States government and government agencies and authorities	$	133,990	$	133,407	$	133,407
States, municipalities and political subdivisions	2,408,688		2,534,653		2,534,653
Foreign governments	13,749		13,650		13,650
Public utilities	251,110		250,835		250,835
Asset-backed securities	150,888		150,710		150,710
Collateralized loan obligations	360,436		360,939		360,939
Mortgage-backed	625,321		628,240		628,240
All other corporate bonds	2,453,476		2,515,147		2,515,147
Total fixed income	6,397,658		6,587,581		6,587,581
Equity securities:
Common stocks:
Industrial, miscellaneous and all other	15,838		16,068		16,068
Total equity securities	15,838		16,068		16,068
Total investments	$	6,413,496	$	6,603,649	$	6,603,649