Represents the amount of pending awards of mobility fund grants to be secured against the issuance of debt instrument.

No definition available.

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Represents the maximum aggregate amount of additional borrowings available to the entity, subject to lender's approval.

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No definition available.

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Represents the number of term loans in which credit facility will be provided.

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No definition available.

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Represents the number of loans repaid under the credit facility.

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Carrying amount of long-term debt, before deducting unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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No definition available.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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No definition available.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

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Gross amount of debt extinguished.

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No definition available.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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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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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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No definition available.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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LONG-TERM DEBT (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended		0 Months Ended	16 Months Ended	0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	May 18, 2012 item	Sep. 20, 2013	Nov. 14, 2013	Jun. 17, 2013	Dec. 19, 2014	Jun. 30, 2013
Ahana Renewables
Long-term debt
Long-term debt	$ 38.9
Ahana Renewables \| Public Service Electric & Gas
Long-term debt
Effective interest rate (as a percent)	11.30%
Minimum \| Ahana Renewables
Long-term debt
Effective interest rate (as a percent)	4.50%
Maximum \| Ahana Renewables
Long-term debt
Effective interest rate (as a percent)	6.00%
Amended Credit Facility
Long-term debt
Borrowings	0
Term loans
Long-term debt
Number of loans repaid in full				2
Interest expenses		4.7
Term loans \| Credit facility
Long-term debt
Maximum borrowing capacity			275.0
Number of term loans			2
Maximum aggregate additional borrowings subject to lender approval			100.0
Term loans \| Credit facility \| LIBOR
Long-term debt
Description of variable rate basis				LIBOR
Term loans \| Credit facility \| Base rate
Long-term debt
Description of variable rate basis				Base Rate
Term loans \| Credit facility \| One-week LIBOR
Long-term debt
Description of variable rate basis				one-week LIBOR
Basis spread on variable rate (as a percent)				1.50%
Term loans \| Credit facility \| One-month LIBOR
Long-term debt
Description of variable rate basis				one-month LIBOR
Basis spread on variable rate (as a percent)				1.50%
Term loans \| Credit facility \| Prime Rate
Long-term debt
Description of variable rate basis				Prime Rate
Term loans \| Credit facility \| Minimum \| LIBOR
Long-term debt
Basis spread on variable rate (as a percent)				2.00%
Term loans \| Credit facility \| Minimum \| Base rate
Long-term debt
Basis spread on variable rate (as a percent)				1.00%
Term loans \| Credit facility \| Maximum \| LIBOR
Long-term debt
Basis spread on variable rate (as a percent)				4.00%
Term loans \| Credit facility \| Maximum \| Base rate
Long-term debt
Basis spread on variable rate (as a percent)				3.00%
Revolving credit facility \| Credit facility
Long-term debt
Maximum borrowing capacity			100.0
Revolving credit facility \| Credit facility \| LIBOR
Long-term debt
Description of variable rate basis		LIBOR
Revolving credit facility \| Credit facility \| Base rate
Long-term debt
Description of variable rate basis		Base Rate
Revolving credit facility \| Credit facility \| Minimum
Long-term debt
Commitment fee (as a percent)		0.25%
Revolving credit facility \| Credit facility \| Minimum \| LIBOR
Long-term debt
Basis spread on variable rate (as a percent)		2.00%
Revolving credit facility \| Credit facility \| Minimum \| Base rate
Long-term debt
Basis spread on variable rate (as a percent)		1.00%
Revolving credit facility \| Credit facility \| Maximum
Long-term debt
Commitment fee (as a percent)		0.50%
Revolving credit facility \| Credit facility \| Maximum \| LIBOR
Long-term debt
Basis spread on variable rate (as a percent)		3.50%
Revolving credit facility \| Credit facility \| Maximum \| Base rate
Long-term debt
Basis spread on variable rate (as a percent)		2.50%
Revolving credit facility \| Amended Credit Facility
Long-term debt
Maximum borrowing capacity							225.0
Revolving credit facility \| Amended Credit Facility \| LIBOR
Long-term debt
Description of variable rate basis	LIBOR
Revolving credit facility \| Amended Credit Facility \| Base rate
Long-term debt
Description of variable rate basis	base rate
Revolving credit facility \| Amended Credit Facility \| Minimum
Long-term debt
Commitment fee (as a percent)	0.175%
Revolving credit facility \| Amended Credit Facility \| Minimum \| LIBOR
Long-term debt
Basis spread on variable rate (as a percent)	1.50%
Revolving credit facility \| Amended Credit Facility \| Minimum \| Base rate
Long-term debt
Basis spread on variable rate (as a percent)	0.50%
Revolving credit facility \| Amended Credit Facility \| Maximum
Long-term debt
Commitment fee (as a percent)	0.25%
Revolving credit facility \| Amended Credit Facility \| Maximum \| LIBOR
Long-term debt
Basis spread on variable rate (as a percent)	1.75%
Revolving credit facility \| Amended Credit Facility \| Maximum \| Base rate
Long-term debt
Basis spread on variable rate (as a percent)	0.75%
Swingline sub-facility \| Credit facility
Long-term debt
Maximum borrowing capacity			10.0
Swingline sub-facility \| Credit facility \| Base rate
Long-term debt
Description of variable rate basis		Base Rate
Swingline sub-facility \| Credit facility \| Minimum \| Base rate
Long-term debt
Basis spread on variable rate (as a percent)		0.50%
Swingline sub-facility \| Credit facility \| Maximum \| Base rate
Long-term debt
Basis spread on variable rate (as a percent)		2.00%
Swingline sub-facility \| Amended Credit Facility
Long-term debt
Maximum borrowing capacity							10.0
Swingline sub-facility \| Amended Credit Facility \| Base rate
Long-term debt
Description of variable rate basis	base rate
Swingline sub-facility \| Amended Credit Facility \| One-week LIBOR
Long-term debt
Description of variable rate basis	one-week LIBOR
Swingline sub-facility \| Amended Credit Facility \| One-month LIBOR
Long-term debt
Description of variable rate basis	one-month LIBOR
Swingline sub-facility \| Amended Credit Facility \| Prime Rate
Long-term debt
Description of variable rate basis	prime rate
Swingline sub-facility \| Amended Credit Facility \| Federal Funds Effective Rate
Long-term debt
Description of variable rate basis	federal funds effective rate
Basis spread on variable rate (as a percent)	0.50%
Swingline sub-facility \| Amended Credit Facility \| Minimum \| Base rate
Long-term debt
Basis spread on variable rate (as a percent)	1.00%
Letter of credit sub-facility
Long-term debt
Outstanding letters of credit	10.6
Letter of credit sub-facility \| Alltel Mobility Funds
Long-term debt
Termination of facility					19.9
Letter of credit sub-facility \| Universal Service Administrative Company
Long-term debt
Outstanding letters of credit								29.8
Termination of facility					19.9
Letter of credit sub-facility \| Credit facility
Long-term debt
Amount of pending awards of mobility fund grants						68.8
Letter of credit sub-facility \| Credit facility \| Universal Service Administrative Company
Long-term debt
Outstanding letters of credit						29.8
Letter of credit sub-facility \| Amended Credit Facility
Long-term debt
Maximum borrowing capacity	55.0						10.0
Commitment fee (as a percent)						1.75%
Letter of credit sub-facility \| Amended Credit Facility \| Alltel Mobility Funds
Long-term debt
Maximum borrowing capacity							25.0
Amount of pending awards of mobility fund grants						68.8
Letter of credit sub-facility \| Amended Credit Facility \| Universal Service Administrative Company
Long-term debt
Outstanding letters of credit		$ 9.9				$ 29.8