EMPLOYEE BENEFITS - Pension Plan's Actual and Target Asset Allocations (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 241,984	$ 241,182
Actual % of total	100.00%	100.00%
Target allocation	100.00%
Hedge portfolio:
Defined Benefit Plan Disclosure [Line Items]
Actual % of total	79.20%	77.60%
Target allocation	80.00%
Corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 153,149	$ 147,336
Actual % of total	63.30%	61.10%
Foreign bonds
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 18,265	$ 15,960
Actual % of total	7.50%	6.60%
Federal agency
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 4,578	$ 5,185
Actual % of total	1.90%	2.10%
U.S. Treasury bonds
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 285	$ 0
Actual % of total	0.10%	0.00%
Private placement
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 2,423	$ 3,319
Actual % of total	1.00%	1.40%
Mortgage/asset backed securities
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 724	$ 732
Actual % of total	0.30%	0.30%
Money market funds
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 1,480	$ 546
Actual % of total	0.60%	0.20%
Liquid assets separate account fund
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 5,274	$ 8,872
Actual % of total	2.20%	3.70%
Short-term income separate account fund
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 5,584	$ 5,169
Actual % of total	2.30%	2.10%
Return seeking portfolio:
Defined Benefit Plan Disclosure [Line Items]
Actual % of total	20.80%	22.40%
Target allocation	20.00%
U.S. property separate account fund
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 0	$ 6,688
Actual % of total	0.00%	2.80%
LargeCap S&P 500 index
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 33,397	$ 31,968
Actual % of total	13.80%	13.30%
MidCap S&P 400 index
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 6,699	$ 6,227
Actual % of total	2.80%	2.60%
SmallCap S&P 600 index
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 4,421	$ 4,163
Actual % of total	1.80%	1.70%
International equity index
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 5,705	$ 5,017
Actual % of total	2.40%	2.10%