Accumulated Other Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2025

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

Components of Accumulated Other Comprehensive Income (Loss)

The table below shows the activity and accumulated balances for components of other comprehensive income. Information about unrealized gains and losses on securities can be found in Note 3, and information about unrealized gains and losses on cash flow hedge derivatives is located in Note 11.

	Unrealized Gains (Losses) on Securities (1)		Pension Loss		Unrealized Gains (Losses) on Cash Flow Hedge Derivatives (2)		Total Accumulated Other Comprehensive Income (Loss)
(In thousands)
Balance January 1, 2025	$	(742,926)	$	(12,059)	$	(3,926)	$	(758,911)
Other comprehensive income (loss) before reclassifications to current earnings	297,859		—		4,833		302,692
Amounts reclassified to current earnings from accumulated other comprehensive income	4,214		502		(7,082)		(2,366)
Current period other comprehensive income (loss), before tax	302,073		502		(2,249)		300,326
Income tax (expense) benefit	(75,518)		(125)		562		(75,081)
Current period other comprehensive income (loss), net of tax	226,555		377		(1,687)		225,245
Balance September 30, 2025	$	(516,371)	$	(11,682)	$	(5,613)	$	(533,666)
Balance January 1, 2024	$	(915,001)	$	(13,596)	$	37,185	$	(891,412)
Other comprehensive income (loss) before reclassifications to current earnings	240,695		—		(6,199)		234,496
Amounts reclassified to current earnings from accumulated other comprehensive income	192,938		603		(8,693)		184,848
Current period other comprehensive income (loss), before tax	433,633		603		(14,892)		419,344
Income tax (expense) benefit	(108,408)		(150)		3,722		(104,836)
Current period other comprehensive income (loss), net of tax	325,225		453		(11,170)		314,508
Balance September 30, 2024	$	(589,776)	$	(13,143)	$	26,015	$	(576,904)

(1) The pre-tax amounts reclassified from accumulated other comprehensive income to current earnings are included in "investment securities gains (losses), net" in the consolidated statements of income.

(2) The pre-tax amounts reclassified from accumulated other comprehensive income to current earnings are included in "interest and fees on loans" in the consolidated statements of income.