Supplemental Oil and Gas Information (Unaudited) - Schedule of Product Prices Used for Valuing the Reserves (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Oil Reserves [Member]
Supplemental Oil And Gas Reserve Information [Line Items]
Product prices for reserves	66.56	39.57
Natural Gas Liquids Reserves [Member]
Supplemental Oil And Gas Reserve Information [Line Items]
Product prices for reserves	66.56	39.57
Natural Gas Reserves [Member]
Supplemental Oil And Gas Reserve Information [Line Items]
Product prices for reserves	3.60	1.99