Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2024

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Summary of activity in accumulated other comprehensive income (loss)

The following tables summarize the components of accumulated other comprehensive income (loss) at September 30, 2024 and 2023, including changes during the preceding three and nine month periods as well as any reclassifications out of accumulated other comprehensive income (loss):

($ in thousands)	AFS Investment Securities		Cash Flow Hedge Derivatives		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance December 31, 2023	$	(148,641)	$	3,080	$	(25,535)	$	(171,096)
Other comprehensive income before reclassifications	49,844		—		—		49,844
Amounts reclassified from accumulated other comprehensive income (loss):
Investment securities losses, net	197		—		—		197
HTM investment securities, net, at amortized cost(a)	6,329		—		—		6,329
Other assets / accrued expenses and other liabilities	—		(639)		—		(639)
Interest income	—		14,297		—		14,297
Personnel expense	—		—		(217)		(217)
Other expense	—		—		(21)		(21)
Income tax (expense) benefit	(14,060)		5,213		(1,594)		(10,440)
Net other comprehensive income (loss) during period	42,309		18,871		(1,832)		59,348
Balance September 30, 2024	$	(106,332)	$	21,951	$	(27,367)	$	(111,748)
Balance December 31, 2022	$	(233,192)	$	3,360	$	(42,968)	$	(272,799)
Other comprehensive (loss) before reclassifications	(69,512)		—		—		(69,512)
Amounts reclassified from accumulated other comprehensive income (loss):
HTM investment securities, net, at amortized cost(a)	6,883		—		—		6,883
Other assets / accrued expenses and other liabilities	—		(33,976)		—		(33,976)
Interest income	—		9,097		—		9,097
Personnel expense	—		—		(244)		(244)
Other expense	—		—		15		15
Income tax benefit	15,879		5,488		31		21,398
Net other comprehensive (loss) during period	(46,751)		(19,391)		(198)		(66,340)
Balance September 30, 2023	$	(279,943)	$	(16,032)	$	(43,166)	$	(339,140)

(a) Amortization of net unrealized losses on AFS securities transferred to HTM securities.

($ in thousands)	AFS Investment Securities		Cash Flow Hedge Derivatives		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance June 30, 2024	$	(176,139)	$	(15,768)	$	(27,307)	$	(219,214)
Other comprehensive income before reclassifications	90,858		—		—		90,858
Amounts reclassified from accumulated other comprehensive income (loss):
HTM investment securities, net, at amortized cost(a)	2,147		—		—		2,147
Other assets / accrued expenses and other liabilities	—		25,609		—		25,609
Interest income	—		4,705		—		4,705
Personnel expense	—		—		(73)		(73)
Other expense	—		—		(7)		(7)
Income tax (expense) benefit	(23,198)		7,405		20		(15,773)
Net other comprehensive income (loss) during period	69,807		37,718		(60)		107,466
Balance September 30, 2024	$	(106,332)	$	21,951	$	(27,367)	$	(111,748)
Balance June 30, 2023	$	(239,273)	$	(9,270)	$	(43,099)	$	(291,642)
Other comprehensive (loss) before reclassifications	(56,924)		—		—		(56,924)
Amounts reclassified from accumulated other comprehensive income (loss):
HTM investment securities, net, at amortized cost(a)	2,327		—		—		2,327
Other assets / accrued expenses and other liabilities	—		(13,592)		—		(13,592)
Interest income	—		4,516		—		4,516
Personnel expense	—		—		(81)		(81)
Other expense	—		—		(7)		(7)
Income tax benefit	13,928		2,315		23		16,266
Net other comprehensive (loss) during period	(40,669)		(6,762)		(66)		(47,497)
Balance September 30, 2023	$	(279,943)	$	(16,032)	$	(43,166)	$	(339,140)

(a) Amortization of net unrealized losses on AFS securities transferred to HTM securities.