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v3.21.2

RELATED PARTY TRANSACTIONS (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) $ / Mcf | Sep. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |
Accounts receivable from affiliates | $ 9,263 |  | $ 9,263 |  | $ 6,155
Partnerships owned by majority stockholder |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Related party revenue, fee (in USD per Mcf) | $ / Mcf |  |  | 0.02 |  |
Accounts receivable from affiliates | 9,300 |  | $ 9,300 |  |
Related party asset | 25,500 |  | 25,500 |  |
Partnerships owned by majority stockholder | Partnership costs to drill and operating wells and overhead fees |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenue from related parties | $ 353 | $ 54 | $ 1,200 | $ 433 |

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