v3.10.0.1

Derivative Instruments and Fair Value Measurements - Additional Information (Detail)		1 Months Ended
	Jul. 01, 2018 $ / bbl bbl	Apr. 30, 2018 $ / bbl bbl
Swap [Member] | Cash Flow Hedges [Member] | May 2018 – December 2018 Contract [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Volume Transacted | bbl		2,000
Contract Price | $ / bbl		0.66
Propane Swaps [Member] | August 2018 – December 2018 Contract [Member] | Subsequent Event [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Volume Transacted | bbl	400
Contract Price | $ / bbl	40.74

X

- 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.

+ Details

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X

- Definition

Nominal volume used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

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X

- Definition

Specified interest rate, security price, commodity price, foreign exchange rate, index of prices or rates for a derivative contract measured in volume but not the derivative contract itself.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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