Investments in Equity Securities (Tables)

3 Months Ended

Mar. 31, 2024

Equity securities

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

Schedule of Investments in Equity Securities

At March 31, 2024 and December 31, 2023, investments in equity securities were as follows:

(In thousands)	Cost		Gross Unrealized				Fair Value		Carrying Value
			Gains		Losses
March 31, 2024
Common stocks	$	671,958	$	196,093	$	(21,382)	$	846,669	$	846,669
Preferred stocks	339,263		8,491		(16,375)		331,379		331,379
Total	$	1,011,221	$	204,584	$	(37,757)	$	1,178,048	$	1,178,048
December 31, 2023
Common stocks	$	664,997	$	191,806	$	(18,749)	$	838,054	$	838,054
Preferred stocks	284,335		3,075		(35,117)		252,293		252,293
Total	$	949,332	$	194,881	$	(53,866)	$	1,090,347	$	1,090,347