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Supplementary Information - Results of Operations from Oil and Gas Producing Activities (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Revenue:    
Oil and gas sales $ 73,126 $ 36,973
Costs and Expenses:    
Lease operating expenses 27,804 23,028
Depreciation, depletion and accretion 26,325 25,921
Income tax expense 3,989 (2,515)
Total Costs and Expenses 58,118 46,434
Results of Operations from Producing Activities (excluding corporate overhead and interest costs) $ 15,008 $ (9,461)