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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Net Changes in Capitalized Exploratory Well Costs

Net changes in capitalized exploratory well costs are reflected in the following table for the periods presented:

			December 31,
			2019						2018						2017
			(In thousands)
Beginning of period			$	4,457					$	—					$	2,097
Exploratory well cost additions (pending determination of proved reserves)			—						26,497						10
Exploratory well cost reclassifications (successful determination of proved reserves)			(4,222)						(22,040)						(571)
Exploratory well dry hole costs (unsuccessful in adding proved reserves)			(235)						—						(1,536)
End of period			$	—					$	4,457					$	—

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- References

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- Definition

Tabular disclosure of the change in capitalized exploratory costs during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 1B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=68064819&loc=SL6806780-109447

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