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

12 Months Ended

Dec. 31, 2017

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, 2017

(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	$	179,850	$	178,846	$	178,846
States, municipalities and political subdivisions	2,105,063		2,152,524		2,152,524
Public utilities	222,619		222,806		222,806
Asset-backed securities	4,925		4,923		4,923
Collateralized loan obligations	100,798		101,023		101,023
Mortgage-backed	490,167		479,161		479,161
All other corporate bonds	1,842,856		1,844,032		1,844,032
Total fixed income	4,946,278		4,983,315		4,983,315
Equity securities:
Common stocks:
Industrial, miscellaneous and all other	7,223		7,246		7,246
Total equity securities	7,223		7,246		7,246
Total investments	$	4,953,501	$	4,990,561	$	4,990,561