v3.26.1
DEBT - LONG TERM DEBT (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Jul. 31, 2026
Jun. 30, 2026
Jun. 30, 2025
Apr. 01, 2026
Debt Instrument [Line Items]        
Proceeds from sale leaseback transactions - natural gas meters   $ 15,016 $ 11,714  
Proceeds from sale leaseback transactions - solar   100,572 100,271  
3.75% Long Term Debt        
Debt Instrument [Line Items]        
Long-term debt, gross       $ 15,000
Stated interest rate       3.75%
NJNG        
Debt Instrument [Line Items]        
Proceeds from sale leaseback transactions - natural gas meters   15,000 11,700  
NJRCEV        
Debt Instrument [Line Items]        
Proceeds from sale leaseback transactions - solar   $ 100,600 $ 100,300  
NJRCEV | Subsequent Event        
Debt Instrument [Line Items]        
Proceeds from sale leaseback transactions - solar $ 37,400