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Income Taxes - Components of Net Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Deferred Tax Assets:    
Accrued liabilities $ (353) $ (80)
Allowance for doubtful accounts 77 85
Derivative Contracts 223 1,272
Partnership basis difference 90 98
State Net operating loss carry-forwards 283 470
Total deferred tax assets 1,026 2,005
Deferred Tax Liabilities:    
Depletion and depreciation 40,994 40,748
Total deferred tax liabilities 40,994 40,748
Net deferred tax liabilities $ 39,968 $ 38,743