Accumulated Other Comprehensive (Loss) Income, Net of Tax (Tables)

9 Months Ended

Sep. 30, 2022

Equity [Abstract]

Schedule of Changes in Accumulated Other Comprehensive Loss by Component

The following tables summarize the changes in each component of accumulated other comprehensive (loss) income, net of tax:

	Three months ended September 30, 2022								Nine months ended September 30, 2022
(In thousands)	Securities Available For Sale		Derivative Instruments		Defined Benefit Pension and Other Postretirement Benefit Plans		Total		Securities Available For Sale		Derivative Instruments		Defined Benefit Pension and Other Postretirement Benefit Plans		Total
Balance, beginning of period	$	(445,616)	$	(2,082)	$	(33,634)	$	(481,332)	$	4,536	$	6,070	$	(33,186)	$	(22,580)
Other comprehensive (loss) before reclassifications	(243,872)		(14,416)		(248)		(258,536)		(694,024)		(24,099)		(1,295)		(719,418)
Amounts reclassified from accumulated other comprehensive (loss)	1,641		717		609		2,967		1,641		2,248		1,208		5,097
Other comprehensive (loss) income, net of tax	(242,231)		(13,699)		361		(255,569)		(692,383)		(21,851)		(87)		(714,321)
Balance, end of period	$	(687,847)	$	(15,781)	$	(33,273)	$	(736,901)	$	(687,847)	$	(15,781)	$	(33,273)	$	(736,901)

	Three months ended September 30, 2021								Nine months ended September 30, 2021
(In thousands)	Securities Available For Sale		Derivative Instruments		Defined Benefit Pension and Other Postretirement Benefit Plans		Total		Securities Available For Sale		Derivative Instruments		Defined Benefit Pension and Other Postretirement Benefit Plans		Total
Balance, beginning of period	$	35,598	$	13,894	$	(43,602)	$	5,890	$	67,424	$	19,918	$	(45,086)	$	42,256
Other comprehensive (loss) before reclassifications	(3,394)		(2,560)		—		(5,954)		(35,220)		(10,205)		—		(45,425)
Amounts reclassified from accumulated other comprehensive (loss)	—		829		743		1,572		—		2,450		2,227		4,677
Other comprehensive (loss) income, net of tax	(3,394)		(1,731)		743		(4,382)		(35,220)		(7,755)		2,227		(40,748)
Balance, end of period	$	32,204	$	12,163	$	(42,859)	$	1,508	$	32,204	$	12,163	$	(42,859)	$	1,508

Schedule of Accumulated Other Comprehensive Loss

The following table further summarizes the amounts reclassified from accumulated other comprehensive (loss) income:

	Three months ended				Nine months ended				Associated Line Item on the Condensed Consolidated Statements of Income
Accumulated Other Comprehensive (Loss) Income Components	September 30,				September 30,
	2022		2021		2022		2021
(In thousands)
Securities available-for-sale:
Net realized (losses)	$	(2,234)	$	—	$	(2,234)	$	—	(Loss) on sale of investment securities, net
Tax benefit	593		—		593		—		Income tax expense
Net of tax	$	(1,641)	$	—	$	(1,641)	$	—
Derivative instruments:
Hedge terminations	$	(76)	$	(76)	$	(229)	$	(229)	Interest expense
Premium amortization	(909)		(1,046)		(2,856)		(3,088)		Interest income
Tax benefit	268		293		837		867		Income tax expense
Net of tax	$	(717)	$	(829)	$	(2,248)	$	(2,450)
Defined benefit pension and other postretirement benefit plans:
Actuarial loss amortization	$	(835)	$	(1,008)	$	(1,657)	$	(3,023)	Other non-interest expense
Tax benefit	226		265		449		796		Income tax expense
Net of tax	$	(609)	$	(743)	$	(1,208)	$	(2,227)