Investments In Equity Securities (Tables)

12 Months Ended

Dec. 31, 2020

Equity securities

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

Schedule of Investments in Equity Securities

At December 31, 2020 and 2019, investments in equity securities were as follows:

(In thousands)	Cost		Gross Unrealized				Fair Value		Carrying Value
			Gains		Losses
December 31, 2020
Common stocks	$	335,617	$	28,742	$	(14,178)	$	350,181	$	350,181
Preferred stocks	180,397		95,581		(492)		275,486		275,486
Total	$	516,014	$	124,323	$	(14,670)	$	625,667	$	625,667
December 31, 2019
Common stocks	$	175,928	$	16,967	$	(26,090)	$	166,805	$	166,805
Preferred stocks	169,171		148,243		(3,599)		313,815		313,815
Total	$	345,099	$	165,210	$	(29,689)	$	480,620	$	480,620