FINANCIAL INSTRUMENTS - Credit Risk (Details) $ in Millions	3 Months Ended
Mar. 31, 2019 USD ($) counterparty
Concentration Risk [Line Items]
Number of counterparties \| counterparty	2
Supplier Concentration Risk \| Derivatives Energy Related Assets
Concentration Risk [Line Items]
Current and noncurrent derivatives	$ 14.5
Percentage of current and noncurrent derivatives	33.90%
Financing Receivable \| SJG Utility Operations
Concentration Risk [Line Items]
Imputed interest	$ 0.7

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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This item represents disclosure of all significant concentrations of credit risk or market risk arising from the subject financial instrument (as defined), whether from an individual counterparty or groups of counterparties.

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Disclosure of the unamortized amount of the discount on the note or receivable which is deducted from the face amount of the receivable or loan. The discount or premium is the difference between the present value and the face amount.

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