ACCUMULATED OTHER COMPREHENSIVE INCOME OR LOSS

12 Months Ended

Dec. 31, 2025

Equity [Abstract]

ACCUMULATED OTHER COMPREHENSIVE INCOME OR LOSS

ACCUMULATED OTHER COMPREHENSIVE INCOME OR LOSS

Accumulated other comprehensive income or loss represents the net unrealized holding gains or losses on securities available for sale and the funded status of the Corporation's defined benefit pension plan and other benefit plans, as of the Consolidated Balance Sheet dates, net of the related tax effect.

The following is a summary of the changes in accumulated other comprehensive income or loss by component, net of tax, for the periods indicated (in thousands):

	Unrealized Gains and Losses on Securities Available for Sale		Defined Benefit and Other Benefit Plans		Total
Balance as of January 1, 2025	$	(63,339)	$	(1,726)	$	(65,065)
Other comprehensive income (loss) before reclassification	41,773		454		42,227
Amounts reclassified from accumulated other comprehensive income (loss)	(13,237)		22		(13,215)
Net current period other comprehensive income (loss)	28,536		476		29,012
Balance as of December 31, 2025	$	(34,803)	$	(1,250)	$	(36,053)

	Unrealized Gains and Losses on Securities Available for Sale		Defined Benefit and Other Benefit Plans		Total
Balance as of January 1, 2024	$	(62,800)	$	(3,213)	$	(66,013)
Other comprehensive income (loss) before reclassification	(539)		1,465		926
Amounts reclassified from accumulated other comprehensive income (loss)	—		22		22
Net current period other comprehensive income (loss)	(539)		1,487		948
Balance as of December 31, 2024	$	(63,339)	$	(1,726)	$	(65,065)

The following is the reclassification out of accumulated other comprehensive income (loss) for the periods indicated (in thousands):

Details about Accumulated Other Comprehensive Income (Loss) Components	Year Ended December 31,				Affected Line Item  in the Statement Where Net Income is Presented
	2025		2024
Unrealized gains and losses on securities available for sale:
Realized gains (losses) on securities available for sale	$	(17,498)	$	—	Net gains (losses) on securities transactions
Tax effect	4,261		—		Income tax benefit (expense)
Net of tax	(13,237)		—
Amortization of defined pension plan and other benefit plan items:
Actuarial losses (a)	30		30		Other components of net periodic pension and postretirement benefits
Tax effect	(8)		(8)		Income tax benefit (expense)
Net of tax	22		22
Total reclassification for the period, net of tax	$	(13,215)	$	22

(a) These accumulated other comprehensive income (loss) components are included in the computation of net periodic pension and other benefit plan costs (see Note 13 for additional information).