XML 79 R65.htm IDEA: XBRL DOCUMENT v3.25.2
DEBT - CREDIT FACILITIES AND SHORT-TERM DEBT (Details) - USD ($)
 9 Months Ended
Jun. 30, 2025
Sep. 30, 2024
Letter of Credit on Behalf of NJRES | NJR    
Line of Credit Facility [Line Items]    
Letters of credit outstanding, amount $ 21,400,000 $ 12,300,000
Letter of Credit | NJNG    
Line of Credit Facility [Line Items]    
Letters of credit outstanding, amount $ 700,000 700,000
Revolving Credit Facility | NJR    
Line of Credit Facility [Line Items]    
Commitment fee percentage 0.10%  
Revolving Credit Facility | NJNG    
Line of Credit Facility [Line Items]    
Commitment fee percentage 0.075%  
Revolving Credit Facility | Committed Credit Facilities Due August 2029 | NJR    
Line of Credit Facility [Line Items]    
Total borrowing capacity $ 575,000,000 575,000,000
Loans outstanding $ 199,950,000 $ 236,700,000
Weighted average interest rate 5.56% 6.23%
Remaining borrowing capacity $ 353,668,000 $ 325,951,000
Revolving Credit Facility | Committed Credit Facilities Due August 2029 | NJNG    
Line of Credit Facility [Line Items]    
Total borrowing capacity 250,000,000 250,000,000
Loans outstanding $ 106,700,000 $ 55,100,000
Weighted average interest rate 4.61% 4.98%
Remaining borrowing capacity $ 142,569,000 $ 194,169,000