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Commitments and Contingencies - Additional Information (Details) bbl in Millions, Mcf in Millions	Mar. 23, 2017 USD ($)	Jun. 30, 2018 USD ($) bbl Mcf
Loss Contingencies [Line Items]
Estimable future commitments under agreements | $		$ 526,600,000
Mirada Litigation [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Damages sought (in excess of) | $	$ 100,000,000
Crude Oil [Member]
Loss Contingencies [Line Items]
Minimum quantity to be delivered or transported		55.0
Natural Gas Liquids [Member]
Loss Contingencies [Line Items]
Minimum quantity to be delivered or transported		20.3
Natural Gas [Member]
Loss Contingencies [Line Items]
Minimum quantity to be delivered or transported | Mcf		213.2
Fresh Water [Member]
Loss Contingencies [Line Items]
Minimum quantity to be delivered or transported		12.5
Produced Water [Member]
Loss Contingencies [Line Items]
Minimum quantity to be delivered or transported		4.4

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.

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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

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- Definition

Total amount of product committed to be supplied under existing contracts or agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1207
-Paragraph (a)
-Subparagraph (2)

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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

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