-- None. No documentation exists for this element. --

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Period Type:	duration

- Definition

-- None. No documentation exists for this element. --

+ Details

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Period Type:	duration

- Definition

Number of contract years entered into by the entity with a developer to design, build, own and operate a district energy system and central energy center for a project

+ Details

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Period Type:	instant

- Definition

Number of years in expected delay in specific construction project, at lower range.

+ Details

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- Definition

Number of years in expected delay in specific construction project, at upper range.

+ Details

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- Definition

The amount of guarantee provided by an entity to another that may include performance guarantee. Performance guarantee is an agreement (contract) that requires the guarantor to make payments to a guaranteed party based on another entity's failure to perform under an obligating agreement. This may include the issuance of a performance standby letter of credit which requires the guarantor to make payments if a specified party fails to perform under a nonfinancial contractual obligation.

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Balance Type:	credit
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- Definition

SJI has guaranteed certain obligations of BC Landfill Energy, LLC (BCLE) and WC Landfill Energy, LLC (WCLE), unconsolidated joint ventures in which Marina has a 50% equity interest through Energenic. BCLE and WCLE have entered into agreements ranging from 15-20 years with the respective county governments to lease and operate facilities that will produce electricity from landfill methane gas

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- Definition

The non current amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ Details

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- Definition

SJI provided support to LVE to cover interest and other project related costs.

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Balance Type:	credit
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- Definition

Amount of letter of credit provided by the developer for costs to support its monthly payment obligation to the entity.

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Balance Type:	debit
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- Definition

Amount of maximum capital risk of the entity that may include equity contributions, letters of credit and the unsecured notes receivable.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The number of environmental cleanup sites for which costs have been incurred and recorded.

+ Details

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Balance Type:	na
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- Definition

Number of unions that represent employees covered by collective bargaining agreements.

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- Definition

Percentage of personnel represented by collective bargaining agreements.

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- Definition

-- None. No documentation exists for this element. --

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- Definition

Approximate term of the guarantee or each group of similar guarantees, in lower range.

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- Definition

Developers, builders, governmental agencies and municipalities will provide the entity with cash, or in some cases property, to extend its services to their properties. Nonrefundable contributions are recorded as contributions in aid of construction ("CIAC").

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- Definition

Amount paid during the reporting period into the sinking fund.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-Topic 505

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-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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- Definition

Reflects when the credit facility terminates, which may be presented in a variety of ways (year, month and year, day, month and year, quarter).

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year (current maturities) or the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

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Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due within 1 year (or 1 business cycle).

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COMMITMENTS AND CONTINGENCIES (Details) (USD $)	9 Months Ended
COMMITMENTS AND CONTINGENCIES (Details) (USD $)	Sep. 30, 2011	May 31, 2011	Dec. 31, 2010	Sep. 30, 2011 LVE Energy Partners [Member]	Apr. 30, 2007 LVE Energy Partners [Member]	Sep. 30, 2011 Energenic [Member]	Sep. 30, 2011 Parental Guarantee [Member]	Sep. 30, 2011 Letter of Credit, Banks [Member]	Sep. 30, 2011 Letter of Credit, Developer [Member]	Sep. 30, 2011 Standby Letter of Credit [Member]	Sep. 30, 2011 Standby Letter of Credit, Variable-rate Demand Bonds [Member]	Sep. 30, 2011 Standby Letter of Credit, Market Retail Electricity [Member]	Sep. 30, 2011 Letter of Credit, Separate Facility [Member]	Sep. 30, 2011 ACR Energy Partners LLC [Member]
Guarantees [Abstract]
Liability recorded related to guarantees	$ 1,900,000			$ 1,600,000
Equity interest (in hundredths)					50.00%	50.00%								50.00%
Contract with a resort developer (in years)					25									20
Expected delay in construction (in years), lower range		3
Expected delay in construction (in years), upper range		5
Outstanding balance of bank debt	424,213,000		340,000,000	193,200,000
Letter of credit from developer	6,000,000
Letter of credit provided	550,437,000							10,000,000	5,000,000	83,000,000	62,300,000	20,700,000	25,200,000
Notes receivable - affiliate	8,728,000		1,183,000	56,100,000
Maximum capital risk	70,400,000
Interest and other project related costs	5,400,000
Guaranteed amount				20,000,000			4,900,000
Term of guaranteed obligations, lower range (in years)	15
Term of guaranteed obligations, upper range (in years)	20
Maximum amount of obligation under guarantee contracts	4,200,000
Capital contribution obligation [Abstract]
Capital contributions to ACR														42,000,000
Debt service reserve fund created by Marina to ACR														$ 2,800,000
Collective bargaining agreements [Abstract]
Percentage of personnel represented by collective bargaining agreements (in hundredths)	49.00%
Number of unions	2
Standby letters of credit [Abstract]
Expiration date	August 2015
Environmental remediation costs [Abstract]
Number of sites for environmental cleanup (in number of sites)	12