v3.26.1
CREDIT FACILITIES (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Short-term Debt [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity $ 1,500,000  
Line of Credit Facility Sublimit 20,000  
Swingline subfacility 60,000  
Line of Credit Facility Option to Increase Borrowing Capacity 750,000  
Letters of Credit Outstanding, Amount 2,400  
Line of Credit Facility, Amount Outstanding 0  
Line of Credit Facility, Remaining Borrowing Capacity $ 1,500,000  
Approved Debt to Capital Ratio 70.00%  
Ratio of Indebtedness to Net Capital Excluding KGSS-I debt 47.10%  
Commercial paper maximum borrowing capacity $ 1,500,000  
CommercialPaperMaximumMaturityTerm 270 days  
Short-term debt $ 759,700 $ 737,400
Short-Term Debt, Weighted Average Interest Rate, at Point in Time 4.14% 3.94%