Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2022

Stockholders Equity Note [Abstract]

Components of Accumulated Other Comprehensive Income (Loss)

	Available for Sale Securities			HTM Securities Transferred from AFS			Employee Benefit Plans			Cash Flow Hedges			Equity Method Investment			Total
(in thousands)
Balance, December 31, 2020	$	171,224		$	276		$	(125,573	)	$	39,511		$	(5,369	)	$	80,069
Net change in unrealized gain or loss		(141,800	)	—			—				(4,152	)		462			(145,490	)
Reclassification of net income or loss realized and included in earnings	—			—				1,954			(6,136	)		4,468			286
Amortization of unrealized net gain on securities transferred to HTM	—				(56	)	—			—				—			(56	)
Income tax expense (benefit)		(31,862	)		(13	)		439			(2,312	)		—			(33,748	)
Balance, March 31, 2021	$	61,286		$	233		$	(124,058	)	$	31,535		$	(439	)	$	(31,443	)
Balance, December 31, 2021	$	11,037		$	153		$	(80,946	)	$	16,284		$	(463	)	$	(53,935	)
Net change in unrealized gain or loss		(358,190	)		—			—			(33,182	)		468			(390,904	)
Reclassification of net income or loss realized and included in earnings		1,707			—			1,209			(6,754	)		—			(3,838	)
Transfer of net unrealized loss from AFS to HTM securities portfolio		15,405			(15,405	)		—			—			—			—
Amortization of unrealized net gain or loss on securities transferred to HTM		—			261			—			—			—			261
Income tax expense (benefit)		(76,981	)		(3,418	)		273			(9,014	)		—			(89,140	)
Balance, March 31, 2022	$	(253,060	)	$	(11,573	)	$	(80,010	)	$	(14,638	)	$	5		$	(359,276	)

Line Items in Consolidated Income Statements Affected by Amounts Reclassified from Accumulated Other Comprehensive Income

The following table shows the line items in the consolidated statements of income affected by amounts reclassified from AOCI.

	Three Months Ended
Amount reclassified from AOCI (a)	March 31,						Affected line item on
(in thousands)	2022			2021			the statement of income
Loss on sale of AFS securities	$	(1,707	)	$	—		Noninterest income
Tax effect		385			—		Income taxes
Net of tax		(1,322	)		—		Net income
Amortization of unrealized net gain (loss) on securities transferred to HTM		(261	)		56		Interest income
Tax effect		59			(13	)	Income taxes
Net of tax		(202	)		43		Net income
Amortization of defined benefit pension and post-retirement items		(1,209	)		(1,954	)	Other noninterest expense (b)
Tax effect		273			439		Income taxes
Net of tax		(936	)		(1,515	)	Net income
Reclassification of unrealized gain on cash flow hedges		3,875			6,136		Interest income
Tax effect		(875	)		(1,379	)	Income taxes
Net of tax		3,000			4,757		Net income
Amortization of gain (loss) on terminated cash flow hedges		2,879			—		Interest income
Tax effect		(650	)		—		Income taxes
Net of tax		2,229			—		Net income
Reclassification of unrealized loss on equity method investment		(468	)		(4,468	)	Noninterest income
Tax effect		—			—		Income taxes
Net of tax		(468	)		(4,468	)	Net income
Total reclassifications, net of tax	$	2,301		$	(1,183	)	Net income

(a)Amounts in parentheses indicate reduction in net income.