v3.10.0.1

Summary of Significant Accounting Policies - Summary of Impact of Adoption of Accounting Standards on Condensed Consolidated Cash Flows (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Net income (loss)	$ (118,345)	$ 35,814
Depreciation, depletion and amortization	205,419	111,515
Deferred income tax expense (benefit)	(27,396)	20,263
Consideration paid to customers, net of amortization	(1,806)
Additions to oil and gas properties	(824,656)	$ (443,210)
Calculated under Revenue Guidance in Effect before Topic 606 \| Accounting Standards Update 2014-09
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Net income (loss)	(118,661)
Depreciation, depletion and amortization	205,889
Deferred income tax expense (benefit)	(27,483)
Additions to oil and gas properties	(826,528)
Adjustments for ASC 606 \| Accounting Standards Update 2014-09
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Net income (loss)	316
Depreciation, depletion and amortization	(470)
Deferred income tax expense (benefit)	87
Consideration paid to customers, net of amortization	(1,806)
Additions to oil and gas properties	$ 1,872

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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The cash outflow for exploration and development of oil and gas properties. It includes cash payments related to development of oil and gas wells drilled at previously untested geologic structures (to determine the presence of oil or gas) and wells drilled at sites where the presence of oil or gas has already been established (to extract the oil or gas).

+ References

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Consideration paid to customers, net of amortization.

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