Accounts Payable Subject To Master Netting Arrangement

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- Definition

Cash Paid On Derivative Settlement

+ References

No definition available.

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- Definition

Cash Received On Derivative Settlement

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No definition available.

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- Definition

Number Of Counterparties With Master Repurchase Agreements

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- Definition

Strike Price Per Gallon For The Propane Swap Agreements

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- Definition

Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226006-175313

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=d3e41678-113959

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Nominal volume used to calculate payments on a derivative instrument.

+ References

No definition available.

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- Definition

The strike price on the price risk option contract such as a put option or a call option.

+ References

No definition available.

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- Definition

Current liabilities attributable to energy marketing activities (trading activities). Current energy marketing (trading activities) are when entities engage in both financial and physical trading to increase profits, manage their commodity price risk and enhance system reliability. They may trade electricity, coal, natural gas and oil. These entities typically use a variety of financial instruments, including forward contracts, options and swaps.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Carrying amount as of the balance sheet date of the asset arising from energy trading activities that involves the purchase and sale of energy under forward contracts at fixed and variable prices and the buying and selling of financial energy contracts that include exchange futures and options and over the counter options and swaps, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The cash outflow for derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3505-108585

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Derivative Instruments - Additional Information (Detail) gal in Thousands, $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2016 USD ($) Counterparty $ / gal	Jun. 30, 2016 USD ($) Counterparty $ / gal gal	Dec. 31, 2015 USD ($) Counterparty $ / gal gal
Derivative [Line Items]
Energy Marketing Contracts Assets, Current	$ 405	$ 405	$ 153
Energy Marketing Contract Liabilities, Current	256	$ 256	$ 433
Propane Swap Agreement [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Volume \| gal		630	2,500
Cash Paid On Derivative Settlement	484
Put Option [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Volume \| gal			2,500
Payments for Derivative Instrument, Financing Activities			$ 143
Cash Received On Derivative Settlement	$ 239
Forward Contracts [Member]
Derivative [Line Items]
Number Of Counterparties With Master Repurchase Agreements \| Counterparty	2	2	2
Accounts Payable Subject To Master Netting Arrangement			$ 431
Mark To Market Energy Assets [Member] \| Future [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Volume \| gal		6,090
Energy Marketing Contracts Assets, Current	$ 357	$ 357
Mark To Market Energy Assets [Member] \| Propane [Member]
Derivative [Line Items]
Energy Marketing Contracts Assets, Current	23	23
Mark To Market Energy Assets [Member] \| Forward Contracts [Member]
Derivative [Line Items]
Energy Marketing Contracts Assets, Current	25	$ 25	1
Mark To Market Energy Liabilities [Member] \| Future [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Volume \| gal		1,065
Energy Marketing Contract Liabilities, Current	233	$ 233	109
Mark To Market Energy Liabilities [Member] \| Propane Swap Agreement [Member]
Derivative [Line Items]
Energy Marketing Contract Liabilities, Current			323
Mark To Market Energy Liabilities [Member] \| Forward Contracts [Member]
Derivative [Line Items]
Energy Marketing Contract Liabilities, Current	$ 23	$ 23	1
Designated as Hedging Instrument [Member] \| Mark To Market Energy Assets [Member] \| Put Option [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Amount Not Offset Against Collateral			$ 152
Strike Price 2 [Member] \| Propane Swap Agreement [Member]
Derivative [Line Items]
Strike Price Per Gallon For The Propane Swap Agreements \| $ / gal			0.5950
Strike Price 4 [Member] \| Propane Swap Agreement [Member]
Derivative [Line Items]
Strike Price Per Gallon For The Propane Swap Agreements \| $ / gal	0.5525	0.5525	0.5200
Put Option Strike Price 1 [Member] \| Put Option [Member]
Derivative [Line Items]
Derivative, Price Risk Option Strike Price \| $ / gal			0.4950
Put Option Strike Price 2 [Member] \| Put Option [Member]
Derivative [Line Items]
Derivative, Price Risk Option Strike Price \| $ / gal			0.4888
Put Option Strike Price 3 [Member] \| Put Option [Member]
Derivative [Line Items]
Derivative, Price Risk Option Strike Price \| $ / gal			0.4500
Put Option Strike Price 4 [Member] \| Put Option [Member]
Derivative [Line Items]
Derivative, Price Risk Option Strike Price \| $ / gal			0.4200