ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)

9 Months Ended

Sep. 30, 2025

Equity [Abstract]

Schedule of Components of Accumulated Other Comprehensive Loss

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 July 1, 2025	$	(40,991)	$	(1,714)	$	(42,705)
Other comprehensive income before reclassification	3,623		—		3,623
Amounts reclassified from accumulated other comprehensive income	—		6		6
Net current period other comprehensive income	3,623		6		3,629
Balance at September 30, 2025	$	(37,368)	$	(1,708)	$	(39,076)

	Unrealized Gains and Losses on Securities Available for Sale		Defined Benefit and Other Benefit Plans		Total
Balance at July 1, 2024	$	(66,708)	$	(3,203)	$	(69,911)
Other comprehensive income before reclassification	14,771		—		14,771
Amounts reclassified from accumulated other comprehensive income	—		5		5
Net current period other comprehensive income	14,771		5		14,776
Balance at September 30, 2024	$	(51,937)	$	(3,198)	$	(55,135)

	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	12,734		—		12,734
Amounts reclassified from accumulated other comprehensive income	13,237		18		13,255
Net current period other comprehensive income	25,971		18		25,989
Balance at September 30, 2025	$	(37,368)	$	(1,708)	$	(39,076)

	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	10,863		—		10,863
Amounts reclassified from accumulated other comprehensive income	—		15		15
Net current period other comprehensive income	10,863		15		10,878
Balance at September 30, 2024	$	(51,937)	$	(3,198)	$	(55,135)

Schedule of Reclassification Out of Accumulated Other Comprehensive Income

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

Details about Accumulated Other Comprehensive Income (Loss) Components	Three Months Ended   September 30,				Affected Line Item in the Statement Where Net Income (Loss) is Presented
	2025		2024
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	$	6	$	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	Nine Months Ended   September 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)	24		20		Other components of net periodic pension and postretirement benefits
Tax effect	(6)		(5)		Income tax expense (benefit)
Net of tax	18		15
Total reclassification for the period, net of tax	$	13,255	$	15

(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).