Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 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 March 31, 2024 and 2023, including changes during the preceding three 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 (loss) before reclassifications	(29,889)		—		—		(29,889)
Amounts reclassified from accumulated other comprehensive income (loss):
Investment securities losses, net	197		—		—		197
HTM investment securities, net, at amortized cost(a)	2,060		—		—		2,060
Other assets / accrued expenses and other liabilities	—		(19,461)		—		(19,461)
Interest income	—		4,823		—		4,823
Personnel expense	—		—		(72)		(72)
Other expense	—		—		(7)		(7)
Income tax benefit (expense)	6,885		(1,688)		(1,633)		3,564
Net other comprehensive (loss) during period	(20,746)		(16,326)		(1,712)		(38,785)
Balance March 31, 2024	$	(169,388)	$	(13,246)	$	(27,247)	$	(209,881)
Balance December 31, 2022	$	(233,192)	$	3,360	$	(42,968)	$	(272,799)
Other comprehensive income before reclassifications	36,478		—		—		36,478
Amounts reclassified from accumulated other comprehensive income (loss):
HTM investment securities, net, at amortized cost(a)	2,267		—		—		2,267
Other assets / accrued expenses and other liabilities	—		13,763		—		13,763
Interest income	—		1,262		—		1,262
Personnel expense	—		—		(81)		(81)
Other expense	—		—		30		30
Income tax (expense) benefit	(9,892)		(4,694)		79		(14,507)
Net other comprehensive income during period	28,853		10,331		27		39,211
Balance March 31, 2023	$	(204,339)	$	13,691	$	(42,940)	$	(233,588)

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