Investments in Equity Securities (Tables)

9 Months Ended

Sep. 30, 2022

Arbitrage trading account

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

Schedule of Investments in Equity Securities

At September 30, 2022 and December 31, 2021, investments in equity securities were as follows:

(In thousands)	Cost		Gross Unrealized				Fair Value		Carrying Value
			Gains		Losses
September 30, 2022
Common stocks	$	931,753	$	109,288	$	(88,672)	$	952,369	$	952,369
Preferred stocks	259,338		2,376		(40,494)		221,220		221,220
Total	$	1,191,091	$	111,664	$	(129,166)	$	1,173,589	$	1,173,589
December 31, 2021
Common stocks	$	619,896	$	92,401	$	(16,894)	$	695,403	$	695,403
Preferred stocks	250,149		7,874		(12,183)		245,840		245,840
Total	$	870,045	$	100,275	$	(29,077)	$	941,243	$	941,243