Accumulated other comprehensive income (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 (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 at April 1, 2025	$	(55,199)	$	(1,720)	$	(56,919)


Other comprehensive income (loss) before reclassification	971		—		971
Amounts reclassified from accumulated other comprehensive income (loss)	13,237		6		13,243
Net current period other comprehensive income (loss)	14,208		6		14,214
Balance at June 30, 2025	$	(40,991)	$	(1,714)	$	(42,705)


	Unrealized Gains and Losses on Securities Available for Sale		Defined Benefit and Other Benefit Plans		Total
Balance at April 1, 2024	$	(66,870)	$	(3,208)	$	(70,078)


Other comprehensive income before reclassification	162		—		162
Amounts reclassified from accumulated other comprehensive income	—		5		5
Net current period other comprehensive income (loss)	162		5		167
Balance at June 30, 2024	$	(66,708)	$	(3,203)	$	(69,911)


	Unrealized Gains and Losses on Securities Available for Sale		Defined Benefit and Other Benefit Plans		Total
Balance at January 1, 2025	$	(63,339)	$	(1,726)	$	(65,065)


Other comprehensive income before reclassification	9,111		—		9,111
Amounts reclassified from accumulated other comprehensive income (loss)	13,237		12		13,249
Net current period other comprehensive income	22,348		12		22,360
Balance at June 30, 2025	$	(40,991)	$	(1,714)	$	(42,705)


	Unrealized Gains and Losses on Securities Available for Sale		Defined Benefit and Other Benefit Plans		Total
Balance at January 1, 2024	$	(62,800)	$	(3,213)	$	(66,013)


Other comprehensive income before reclassification	(3,908)		—		(3,908)
Amounts reclassified from accumulated other comprehensive income (loss)	—		10		10
Net current period other comprehensive income (loss)	(3,908)		10		(3,898)
Balance at June 30, 2024	$	(66,708)	$	(3,203)	$	(69,911)


Details about Accumulated Other Comprehensive Income (Loss) Components	Three Months Ended June 30,				Affected Line Item in the Statement Where Net Income (Loss) is Presented
	2025		2024
Unrealized gains and losses on securities available for sale:
Net realized losses on securities available for sale	$	17,498	$	—	Net (losses) on securities transactions
Tax effect	(4,261)		—		Income tax expense (benefit)
Net of tax	13,237		—
Amortization of defined pension plan and other benefit plan items:


Actuarial losses (a)	8		7		Other components of net periodic pension and postretirement benefits
Tax effect	(2)		(2)		Income tax expense (benefit)
Net of tax	6		5
Total reclassification for the period, net of tax	$	13,243	$	5

(a) These accumulated other comprehensive income components are included in the computation of net periodic pension and other benefit plan costs (see Note 12 for additional information).


Details about Accumulated Other Comprehensive Income (Loss) Components	Six Months Ended June 30,				Affected Line Item in the Statement Where Net Income (Loss) is Presented
	2025		2024
Unrealized gains and losses on securities available for sale:
Net realized losses on securities available for sale	$	17,498	$	—	Net (losses) on securities transactions
Tax effect	(4,261)		—		Income tax expense (benefit)
Net of tax	13,237		—
Amortization of defined pension plan and other benefit plan items:


Actuarial losses (a)	16		14		Other components of net periodic pension and postretirement benefits
Tax effect	(4)		(4)		Income tax expense (benefit)
Net of tax	12		10
Total reclassification for the period, net of tax	$	13,249	$	10

(a) These accumulated other comprehensive income components are included in the computation of net periodic pension and other benefit plan costs (see Note 12 for additional information).