Investments in Equity Securities (Tables)

9 Months Ended

Sep. 30, 2023

Equity securities

Debt Securities, Available-for-sale [Line Items]

Schedule of Investments in Equity Securities

At September 30, 2023 and December 31, 2022, investments in equity securities were as follows:

(In thousands)	Cost		Gross Unrealized				Fair Value		Carrying Value
			Gains		Losses
September 30, 2023
Common stocks	$	792,512	$	209,979	$	(41,058)	$	961,433	$	961,433
Preferred stocks	273,376		2,383		(55,131)		220,628		220,628
Total	$	1,065,888	$	212,362	$	(96,189)	$	1,182,061	$	1,182,061
December 31, 2022
Common stocks	$	855,987	$	192,165	$	(65,401)	$	982,751	$	982,751
Preferred stocks	259,341		1,053		(57,251)		203,143		203,143
Total	$	1,115,328	$	193,218	$	(122,652)	$	1,185,894	$	1,185,894