CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Net Cash Provided by Operating Activities (See Note 1)	$ 123,658	$ 158,099
Cash Flows from Investing Activities:
Capital Expenditures (See Note 1)	(142,029)	(119,905)
Proceeds from Sale of Property, Plant & Equipment	3,058	0
Investment in Long-Term Receivables	(4,602)	(5,702)
Proceeds from Long-Term Receivables	4,948	5,195
Notes Receivable	3,000	(74)
Purchase of Company-Owned Life Insurance	(8,074)	(652)
Investment in Affiliate	(19,461)	(5,820)
Net Repayment of Notes Receivable - Affiliate	243	1,266
Net Cash Used in Investing Activities (See Note 1)	(162,917)	(125,692)
Cash Flows from Financing Activities:
Net Borrowings from (Repayments of) Short-Term Credit Facilities	200	(286,300)
Proceeds from Issuance of Long-Term Debt	321,000	61,000
Principal Repayments of Long-Term Debt	(277,400)	(13,078)
Payments for Issuance of Long-Term Debt	(2,060)	0
Net Settlement of Restricted Stock (See Note 1)	(751)	0
Dividends on Common Stock	(21,676)	(18,790)
Proceeds from Sale of Common Stock	0	214,463
Net Cash Provided by Financing Activities	19,313	(42,705)
Net Decrease in Cash, Cash Equivalents and Restricted Cash	(19,946)	(10,298)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period (See Note 1)	31,910	52,635
Cash, Cash Equivalents and Restricted Cash at End of Period (See Note 1)	11,964	42,337
South Jersey Gas Company
Net Cash Provided by Operating Activities (See Note 1)	75,514	97,394
Cash Flows from Investing Activities:
Capital Expenditures (See Note 1)	(127,209)	(107,676)
Investment in Long-Term Receivables	(4,602)	(5,702)
Proceeds from Long-Term Receivables	4,948	5,195
Notes Receivable	0	(74)
Purchase of Company-Owned Life Insurance	(4,875)	0
Net Cash Used in Investing Activities (See Note 1)	(131,738)	(108,257)
Cash Flows from Financing Activities:
Net Borrowings from (Repayments of) Short-Term Credit Facilities	(101,500)	(121,100)
Proceeds from Issuance of Long-Term Debt	321,000	61,000
Principal Repayments of Long-Term Debt	(200,000)	0
Payments for Issuance of Long-Term Debt	(2,029)	0
Additional Investment by Shareholder	40,000	65,000
Net Cash Provided by Financing Activities	57,471	4,900
Net Decrease in Cash, Cash Equivalents and Restricted Cash	1,247	(5,963)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period (See Note 1)	1,391	7,544
Cash, Cash Equivalents and Restricted Cash at End of Period (See Note 1)	$ 2,638	$ 1,581