Supplemental Disclosures About Natural Gas Producing Activities - Capitalized Costs Related to Natural Gas Producing Activities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Extractive Industries [Abstract]
Proved properties	$ 101,459	$ 90,869
Unproved properties	10,204	13,000
Gross capitalized costs	111,663	103,869
Accumulated DD&A	(1,335)	(149)
Net capitalized costs	$ 110,328	$ 103,720

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Amount of accumulated depreciation, depletion, amortization and valuation allowance relating to oil and gas producing activities.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 13
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- Definition

The sum of capitalized costs relating to oil and gas producing activities before accounting for accumulated depreciation.

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Net amount of capitalized costs relating to oil and gas producing activities.

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Oil and Gas properties with proved reserves under the successful effort method.

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Oil and Gas properties with unproved reserves under the successful effort method.

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