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

3 Months Ended

Mar. 31, 2022

Equity [Abstract]

Schedule of Changes in Accumulated Other Comprehensive Loss by Component

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

	Three months ended March 31, 2022
(In thousands)	Securities Available For Sale		Derivative Instruments		Defined Benefit Pension and Other Postretirement Benefit Plans		Total
Balance, beginning of period	$	4,536	$	6,070	$	(33,186)	$	(22,580)
Other comprehensive (loss) before reclassifications	(244,879)		(8,613)		(719)		(254,211)
Amounts reclassified from accumulated other comprehensive income (loss)	—		769		299		1,068
Other comprehensive (loss) income, net of tax	(244,879)		(7,844)		(420)		(253,143)
Balance, end of period	$	(240,343)	$	(1,774)	$	(33,606)	$	(275,723)

	Three months ended March 31, 2021
(In thousands)	Securities Available For Sale		Derivative Instruments		Defined Benefit Pension and Other Postretirement Benefit Plans		Total
Balance, beginning of period	$	67,424	$	19,918	$	(45,086)	$	42,256
Other comprehensive (loss) before reclassifications	(30,353)		(5,170)		—		(35,523)
Amounts reclassified from accumulated other comprehensive (loss)	—		798		743		1,541
Other comprehensive (loss) income, net of tax	(30,353)		(4,372)		743		(33,982)
Balance, end of period	$	37,071	$	15,546	$	(44,343)	$	8,274

Schedule of Accumulated Other Comprehensive Loss

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

	Three months ended March 31,				Associated Line Item on the Condensed Consolidated Statements of Income
Accumulated Other Comprehensive (Loss) Income Components	2022		2021
(In thousands)
Derivative instruments:
Hedge terminations	$	(77)	$	(76)	Interest expense
Premium amortization	(978)		(1,005)		Interest income
Tax benefit	286		283		Income tax expense
Net of tax	$	(769)	$	(798)
Defined benefit pension and other postretirement benefit plans:
Actuarial loss amortization	$	(411)	$	(1,008)	Other non-interest expense
Tax benefit	112		265		Income tax expense
Net of tax	$	(299)	$	(743)