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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
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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

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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) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349 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 + Details
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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) + Details
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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. + Details
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