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

12 Months Ended

Dec. 31, 2022

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, 2022
(In thousands) Type of Investment	Amortized Cost		Fair Value		Amount at which shown in the balance sheet
Fixed income:
Bonds:
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	145,581	$	135,900	$	135,900
Obligations of U.S. states and political subdivisions	2,400,261		2,149,054		2,149,054
Foreign governments	4,486		3,787		3,787
Public utilities	267,319		266,895		266,895
ABS	126,723		120,687		120,687
CLOs	337,656		329,832		329,832
Mortgage-backed	481,528		435,224		435,224
All other corporate debt securities	2,149,156		1,954,247		1,954,247
Commercial paper	14,075		14,072		14,072
Total fixed income	5,926,785		5,409,698		5,409,698
Equity securities:
Common stocks:
Industrial, miscellaneous and all other	15,924		14,140		14,140
Total equity securities	15,924		14,140		14,140
Total investments	$	5,942,709	$	5,423,838	$	5,423,838