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 — Summary of investments - Other than investments in related parties - December 31, 2023
(In thousands)	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	$	167,995	$	161,682	$	161,682
Obligations of U.S. states and political subdivisions	2,092,754		1,908,078		1,908,078
Foreign government debt	4,486		3,843		3,843
Public utilities	251,151		250,952		250,952
ABS	173,256		171,273		171,273
CLOs	327,467		326,096		326,096
Mortgage-backed	640,336		608,230		608,230
All other corporate debt securities	2,375,250		2,264,629		2,264,629
Commercial paper	28,327		28,330		28,330
Total fixed income	6,061,022		5,723,113		5,723,113
Equity securities:
Common stocks:
Industrial, miscellaneous and all other	16,025		14,771		14,771
Total equity securities	16,025		14,771		14,771
Total investments	$	6,077,047	$	5,737,884	$	5,737,884