Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2026

The before and after-tax amounts allocated to each component of other comprehensive income (loss) are presented in the following table. Reclassification adjustments related to securities available for sale are included in net gain (loss) on securities transactions in the accompanying consolidated statements of income. Reclassification adjustments related to defined-benefit post-retirement benefit plans are included in the computation of net periodic pension expense (see Note 11 – Defined Benefit Plans).


	Three Months Ended March 31, 2026						Three Months Ended March 31, 2025
	Before Tax Amount		Tax Expense, (Benefit)		Net of Tax Amount		Before Tax Amount		Tax Expense, (Benefit)		Net of Tax Amount
Securities available for sale and transferred securities:
Change in net unrealized gain/loss during the period	$	(102,183)	$	(21,458)	$	(80,725)	$	155,632	$	32,683	$	122,949
Change in net unrealized gain on securities transferred to held to maturity	—		—		—		(521)		(109)		(412)
Reclassification adjustment for net (gains) losses included in net income	—		—		—		14		3		11
Total securities available for sale and transferred securities	(102,183)		(21,458)		(80,725)		155,125		32,577		122,548
Defined-benefit post-retirement benefit plans:

Reclassification adjustment for net amortization of actuarial gain/loss included in net income as a component of net periodic cost (benefit)	209		44		165		310		65		245
Total defined-benefit post-retirement benefit plans	209		44		165		310		65		245
Total other comprehensive income (loss)	$	(101,974)	$	(21,414)	$	(80,560)	$	155,435	$	32,642	$	122,793

Schedule of Accumulated Other Comprehensive Income (Loss)

Activity in accumulated other comprehensive income (loss), net of tax, was as follows:


	Securities Available For Sale		Defined Benefit Plans		Accumulated Other Comprehensive Income
Balance at January 1, 2026	$	(824,069)	$	(18,882)	$	(842,951)
Other comprehensive income (loss) before reclassifications	(80,725)		—		(80,725)
Reclassification of amounts included in net income	—		165		165
Net other comprehensive income (loss) during period	(80,725)		165		(80,560)
Balance at March 31, 2026	$	(904,794)	$	(18,717)	$	(923,511)

Balance at January 1, 2025	$	(1,230,828)	$	(21,176)	$	(1,252,004)
Other comprehensive income (loss) before reclassifications	122,537		—		122,537
Reclassification of amounts included in net income	11		245		256
Net other comprehensive income (loss) during period	122,548		245		122,793

Balance at March 31, 2025	$	(1,108,280)	$	(20,931)	$	(1,129,211)