EMPLOYEE BENEFIT PLANS - Asset allocation (Details) - Pension Plan	Dec. 31, 2025	Dec. 31, 2024
ASSET CATEGORY:
Asset allocations	100.00%	100.00%
Cash and cash equivalents
ASSET CATEGORY:
Asset allocations	3.50%	1.40%
Fixed income
ASSET CATEGORY:
Asset allocations	43.90%	35.10%
Equity
ASSET CATEGORY:
Asset allocations	52.60%	63.50%