Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2025

Accumulated Other Comprehensive Loss

Schedule of changes in accumulated other comprehensive income (loss)

			Income
			Tax
	Pre-tax		Benefit		Net of
(dollars in thousands)	Amount		(Expense)		Tax
Accumulated other comprehensive loss at March 31, 2025	$	(591,574)	$	157,805	$	(433,769)
Three months ended June 30, 2025
Investment securities:
Unrealized net gains arising during the period		26,354		(7,030)		19,324
Reclassification of net losses to net income:
Amortization of unrealized holding losses on held-to-maturity securities		9,982		(2,663)		7,319
Net change in investment securities		36,336		(9,693)		26,643
Cash flow derivative hedges:
Unrealized net gains arising during the period		113		(29)		84
Amounts excluded from the assessment of hedge effectiveness		47		(13)		34
Net change in cash flow derivative hedges		160		(42)		118
Other comprehensive income		36,496		(9,735)		26,761
Accumulated other comprehensive loss at June 30, 2025	$	(555,078)	$	148,070	$	(407,008)

			Income
			Tax
	Pre-tax		Benefit		Net of
(dollars in thousands)	Amount		(Expense)		Tax
Accumulated other comprehensive loss at December 31, 2024	$	(632,793)	$	168,799	$	(463,994)
Six months ended June 30, 2025
Investment securities:
Unrealized net gains arising during the period		57,717		(15,395)		42,322
Reclassification of net losses to net income:
Amortization of unrealized holding losses on held-to-maturity securities		19,639		(5,239)		14,400
Reclassification of net gains to net income:
Investment securities gains, net		(37)		10		(27)
Net change in investment securities		77,319		(20,624)		56,695
Cash flow derivative hedges:
Unrealized net gains arising during the period		349		(92)		257
Amounts excluded from the assessment of hedge effectiveness		47		(13)		34
Net change in cash flow derivative hedges		396		(105)		291
Other comprehensive income		77,715		(20,729)		56,986
Accumulated other comprehensive loss at June 30, 2025	$	(555,078)	$	148,070	$	(407,008)

			Income
			Tax
	Pre-tax		Benefit		Net of
(dollars in thousands)	Amount		(Expense)		Tax
Accumulated other comprehensive loss at March 31, 2024	$	(714,330)	$	190,550	$	(523,780)
Three months ended June 30, 2024
Investment securities:
Unrealized net losses arising during the period		(4,277)		1,141		(3,136)
Reclassification of net losses to net income:
Amortization of unrealized holding losses on held-to-maturity securities		10,665		(2,845)		7,820
Net change in investment securities		6,388		(1,704)		4,684
Cash flow derivative hedges:
Unrealized net losses arising during the period		(113)		31		(82)
Reclassification of net losses included in net income		63		(17)		46
Net change in cash flow derivative hedges		(50)		14		(36)
Other comprehensive income		6,338		(1,690)		4,648
Accumulated other comprehensive loss at June 30, 2024	$	(707,992)	$	188,860	$	(519,132)

			Income
			Tax
	Pre-tax		Benefit		Net of
(dollars in thousands)	Amount		(Expense)		Tax
Accumulated other comprehensive loss at December 31, 2023	$	(723,100)	$	192,890	$	(530,210)
Six months ended June 30, 2024
Investment securities:
Unrealized net losses arising during the period		(7,709)		2,056		(5,653)
Reclassification of net losses to net income:
Amortization of unrealized holding losses on held-to-maturity securities		21,825		(5,821)		16,004
Net change in investment securities		14,116		(3,765)		10,351
Cash flow derivative hedges:
Unrealized net losses arising during the period		(826)		220		(606)
Reclassification of net losses included in net income		1,818		(485)		1,333
Net change in cash flow derivative hedges		992		(265)		727
Other comprehensive income		15,108		(4,030)		11,078
Accumulated other comprehensive loss at June 30, 2024	$	(707,992)	$	188,860	$	(519,132)

Summary of changes in accumulated other comprehensive loss, net of tax

	Pensions								Accumulated
	and		Available-for-Sale		Held-to-Maturity		Cash Flow		Other
	Other		Investment		Investment		Derivative		Comprehensive
(dollars in thousands)	Benefits		Securities		Securities		Hedges		Loss
Three Months Ended June 30, 2025
Balance at beginning of period	$	(1,879)	$	(170,558)	$	(261,420)	$	88	$	(433,769)
Other comprehensive income		—		19,324		7,319		118		26,761
Balance at end of period	$	(1,879)	$	(151,234)	$	(254,101)	$	206	$	(407,008)
Six Months Ended June 30, 2025
Balance at beginning of period	$	(1,879)	$	(193,529)	$	(268,501)	$	(85)	$	(463,994)
Other comprehensive income		—		42,295		14,400		291		56,986
Balance at end of period	$	(1,879)	$	(151,234)	$	(254,101)	$	206	$	(407,008)
Three Months Ended June 30, 2024
Balance at beginning of period	$	(5,373)	$	(224,940)	$	(293,427)	$	(40)	$	(523,780)
Other comprehensive (loss) income		—		(3,136)		7,820		(36)		4,648
Balance at end of period	$	(5,373)	$	(228,076)	$	(285,607)	$	(76)	$	(519,132)
Six Months Ended June 30, 2024
Balance at beginning of period	$	(5,373)	$	(222,423)	$	(301,611)	$	(803)	$	(530,210)
Other comprehensive (loss) income		—		(5,653)		16,004		727		11,078
Balance at end of period	$	(5,373)	$	(228,076)	$	(285,607)	$	(76)	$	(519,132)