DEBT - CONTRACTUAL COMMITMENTS (Details) $ in Thousands	Sep. 30, 2025 USD ($)
Finance Leases
2026	$ 6,003
2027	4,402
2028	4,736
2029	1,676
2030	0
Thereafter	0
Total future payments	16,817
Less: Interest component	(883)
Total liability	15,934
NJNG
Finance Leases
2026	9,477
2027	7,876
2028	8,209
2029	5,149
2030	3,830
Thereafter	2,447
Total future payments	36,988
Less: Interest component	(3,511)
Total liability	33,477
CEV
Sale Leaseback Transaction, Net Book Value
2026	36,528
2027	39,038
2028	50,424
2029	97,718
2030	48,742
Thereafter	121,936
Subtotal	394,386
Less: Interest component	(82,004)
Total	$ 312,382

Sale Leaseback Transactions, Contractual Commitments, Minimum Lease Payment

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Sale Leaseback Transactions, Contractual Commitments, Minimum Lease Payment, After Year Five

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Sale Leaseback Transactions, Contractual Commitments, Minimum Lease Payment, Interest

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Sale Leaseback Transactions, Contractual Commitments, Minimum Lease Payment, Year Five

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- Definition

Sale Leaseback Transactions, Contractual Commitments, Minimum Lease Payment, Year Four

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- Definition

Sale Leaseback Transactions, Contractual Commitments, Minimum Lease Payment, Year One

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Sale Leaseback Transactions, Contractual Commitments, Minimum Lease Payment, Year Three

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Sale Leaseback Transactions, Contractual Commitments, Minimum Lease Payment, Year Two

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Sale Leaseback Transactions, Contractual Commitments, Present Value Of Future Minimum Lease Payment

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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Amount of lessee's undiscounted obligation for lease payments for finance lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
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-Name Accounting Standards Codification
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-Paragraph 6
-Publisher FASB
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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

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