EMPLOYEE BENEFITS - Reconciliation of Benefit Obligations, Plan Assets, and Funded Status (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year		$ 241,182
Fair value of plan assets at end of year	$ 241,182	241,984	$ 241,182
Pension Benefits
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year		180,324	209,867
Service cost		3,340	3,287	$ 3,817
Interest cost		9,586	9,913	10,106
Actuarial loss (gain)		2,708	(15,634)
Benefit payments		(19,387)	(9,350)
Settlement - lump sums paid	(17,800)	0	(17,759)
Benefit obligation at ending of year	180,324	176,571	180,324	209,867
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year		241,182	263,893
Actual return on plan assets		20,189	4,398
Benefit payments		(19,387)	(9,350)
Settlement - lump sums paid		0	(17,759)
Fair value of plan assets at end of year	241,182	241,984	241,182	263,893
Funded status at end of year	60,858	65,413	60,858
Fair value of plan assets adjustment				$ 13
Pension Benefits | Previously Reported
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year		180,324
Benefit obligation at ending of year	180,324		180,324
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year		$ 241,182
Fair value of plan assets at end of year	$ 241,182		$ 241,182