SUBSEQUENT EVENT	6 Months Ended
Jun. 30, 2013
Subsequent Events [Abstract]
SUBSEQUENT EVENT	SUBSEQUENT EVENT: In July 2013, SJG redeemed at par $10.5 million of 4.46% Medium Term Notes issued in July 2003.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

No definition available.

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