LEASES - Lease Maturity and Balance Sheet Information (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
SJI Consolidated
2020 (excluding the three months ended March 31, 2020)	$ 884
2021	508
2022	323
2023	166
2024	140
Thereafter	117
Total future minimum lease payments	2,138
Less imputed interest	108
Total lease payments	2,030
Included in the condensed consolidated balance sheet
Current lease liabilities (included in Other Current Liabilities)	961
Long-term lease liabilities (included in Other Noncurrent Liabilities)	1,069
SJG
SJI Consolidated
2020 (excluding the three months ended March 31, 2020)	108
2021	39
2022	21
2023	19
2024	12
Thereafter	102
Total future minimum lease payments	301
Less imputed interest	31
Total lease payments	270	$ 300
Included in the condensed consolidated balance sheet
Current lease liabilities (included in Other Current Liabilities)	113
Long-term lease liabilities (included in Other Noncurrent Liabilities)	$ 157

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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