ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)

9 Months Ended

Sep. 30, 2023

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, 2023	$	(70,803)	$	(3,943)	$	(74,746)
Other comprehensive income before reclassification	(13,941)		—		(13,941)
Amounts reclassified from accumulated other comprehensive income	—		8		8
Net current period other comprehensive income (loss)	(13,941)		8		(13,933)
Balance at September 30, 2023	$	(84,744)	$	(3,935)	$	(88,679)

	Unrealized Gains and Losses on Securities Available for Sale		Defined Benefit and Other Benefit Plans		Total
Balance at July 1, 2022	$	(51,329)	$	(4,016)	$	(55,345)
Other comprehensive income before reclassification	(24,547)		—		(24,547)
Amounts reclassified from accumulated other comprehensive income	—		11		11
Net current period other comprehensive income (loss)	(24,547)		11		(24,536)
Balance at September 30, 2022	$	(75,876)	$	(4,005)	$	(79,881)

	Unrealized Gains and Losses on Securities Available for Sale		Defined Benefit and Other Benefit Plans		Total
Balance at January 1, 2023	$	(71,296)	$	(3,961)	$	(75,257)
Other comprehensive income before reclassification	(13,448)		—		(13,448)
Amounts reclassified from accumulated other comprehensive income	—		26		26
Net current period other comprehensive income	(13,448)		26		(13,422)
Balance at September 30, 2023	$	(84,744)	$	(3,935)	$	(88,679)

	Unrealized Gains and Losses on Securities Available for Sale		Defined Benefit and Other Benefit Plans		Total
Balance at January 1, 2022	$	(2,495)	$	(4,035)	$	(6,530)
Other comprehensive income before reclassification	(73,381)		—		(73,381)
Amounts reclassified from accumulated other comprehensive income	—		30		30
Net current period other comprehensive income	(73,381)		30		(73,351)
Balance at September 30, 2022	$	(75,876)	$	(4,005)	$	(79,881)

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 is Presented
	2023		2022
Amortization of defined pension plan and other benefit plan items:
Prior service costs (a)	$	—	$	—	Other components of net periodic pension and postretirement benefits
Actuarial losses (a)	12		16		Other components of net periodic pension and postretirement benefits
Tax effect	(4)		(5)		Income tax expense
Net of tax	8		11
Total reclassification for the period, net of tax	$	8	$	11

(a) These accumulated other comprehensive income components are included in the computation of net periodic pension and other benefit plan costs (see Note 11 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 is Presented
	2023		2022
Amortization of defined pension plan and other benefit plan items:
Prior service costs (a)	$	—	$	—	Other components of net periodic pension and postretirement benefits
Actuarial losses (a)	36		41		Other components of net periodic pension and postretirement benefits
Tax effect	(10)		(11)		Income tax expense
Net of tax	26		30
Total reclassification for the period, net of tax	$	26	$	30

(a) These accumulated other comprehensive income components are included in the computation of net periodic pension and other benefit plan costs (see Note 11 for additional information).