Commitments and Contingencies - Additional Information (Detail) $ in Thousands	1 Months Ended	12 Months Ended
	Jan. 31, 2021	Dec. 31, 2020 USD ($) bbl	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Commitments and Contingencies Disclosure [Line Items]
Commitment length		5 years
Number of drilling rigs		2
Minimum commitment		8,000
Estimated Litigation Liability, Current | $		$ 100
Asset retirement obligations | $		$ 5,461	$ 4,934	$ 4,314
Subsequent Event
Commitments and Contingencies Disclosure [Line Items]
Period to give notice to termination drilling rig agreement	30 days
Nuevo Dos Gathering and Transportation, LLC [Member] | Crude Oil Storage Capacity [Member]
Commitments and Contingencies Disclosure [Line Items]
Minimum commitment		180,000
Nuevo Dos Gathering and Transportation, LLC [Member] | Crude Oil Storage Capacity With Downstream Interstate Pipeline [Member]
Commitments and Contingencies Disclosure [Line Items]
Minimum commitment		90,000
Nuevo Dos Gathering and Transportation, LLC [Member] | Tank Capacity [Member]
Commitments and Contingencies Disclosure [Line Items]
Minimum commitment		70,000
Nuevo Dos Gathering and Transportation, LLC-Marketing Affiliate [Member] | Crude Oil Storage Capacity With Downstream Interstate Pipeline [Member]
Commitments and Contingencies Disclosure [Line Items]
Minimum commitment		62,000
Nuevo Dos Gathering and Transportation, LLC-Marketing Affiliate [Member] | Additional Crude Oil Storage Capacity With Downstream Interstate Pipeline
Commitments and Contingencies Disclosure [Line Items]
Minimum commitment		120,000
Gathering and Intermediate Transportation
Commitments and Contingencies Disclosure [Line Items]
Contractual Commitments Future Minimum Payments Due | $		$ 89,637
Contractual Commitments Future Minimum Payments Due Current | $		$ 12,962