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Change in Unfavorable Drilling Contracts from the Merger (Detail) - Unfavorable Drilling Contracts - USD ($) $ in Thousands | 2 Months Ended |
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Jun. 30, 2017 | Apr. 20, 2017
Business Acquisition Contingent Consideration [Line Items] |  |
Liabilities at fair value (See Note 2) |  | $ 2,532
Amortization | $ (1,586) |
Unfavorable drilling contracts liability at end of period | $ 946 |

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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. + Details
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- Definition Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Details
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