Acquisitions (Fair Value of Net Assets Acquired ) (Details) - USD ($) $ in Thousands |
Aug. 31, 2018 |
Feb. 13, 2017 |
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Cimarex Energy Company | ||
Business Acquisition [Line Items] | ||
Asset retirement obligations | $ (570) | |
Net assets acquired | 539,519 | |
Cimarex Energy Company | Evaluated oil and natural gas properties | ||
Business Acquisition [Line Items] | ||
Oil and natural gas properties | 253,089 | |
Cimarex Energy Company | Unevaluated oil and natural gas properties | ||
Business Acquisition [Line Items] | ||
Oil and natural gas properties | $ 287,000 | |
Ameredev | ||
Business Acquisition [Line Items] | ||
Asset retirement obligations | $ (168) | |
Net assets acquired | 646,559 | |
Ameredev | Evaluated oil and natural gas properties | ||
Business Acquisition [Line Items] | ||
Oil and natural gas properties | 137,368 | |
Ameredev | Unevaluated oil and natural gas properties | ||
Business Acquisition [Line Items] | ||
Oil and natural gas properties | $ 509,359 |
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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. No definition available.
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- Definition Amount of liabilities assumed at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of property, plant, and equipment recognized as of the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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