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Description of Operations and Significant Accounting Policies - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) Well	Dec. 31, 2020 USD ($)
Property, Plant and Equipment [Line Items]
Number of wells under non-operating interests	822
Valuation allowance | $	$ 0	$ 0
Maximum maturity period of cash and cash equivalents	90 days
Minimum [Member]
Property, Plant and Equipment [Line Items]
Number of wells operating by the company	710
Depreciation period of equipment	5 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Depreciation period of equipment	10 years

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Number of producing oil wells and oil wells capable of production with working interest ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1208
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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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