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Summary of significant accounting policies - Revenue Recognition (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Summary of significant accounting policies |  |  |  |
Revenues | $ 90,194 | $ 55,717 | $ 263,263 | $ 142,632
Minimum |  |  |  |
Summary of significant accounting policies |  |  |  |
Payment Receivable Term, After Delivery |  |  | 1 month |
Payment Receivable Term, After Production |  |  | 1 month |
Maximum |  |  |  |
Summary of significant accounting policies |  |  |  |
Payment Receivable Term, After Delivery |  |  | 3 months |
Payment Receivable Term, After Production |  |  | 3 months |
Eagle Ford |  |  |  |
Summary of significant accounting policies |  |  |  |
Revenues | 11,891 | 4,575 | $ 35,978 | 22,002
Permian |  |  |  |
Summary of significant accounting policies |  |  |  |
Revenues | 65,997 | 39,252 | 186,853 | 97,926
Denver Julesberg |  |  |  |
Summary of significant accounting policies |  |  |  |
Revenues | 8,271 | 10,726 | 30,370 | 19,801
Bakken |  |  |  |
Summary of significant accounting policies |  |  |  |
Revenues | 4,035 | 1,164 | 10,062 | 2,903
Oil and Condensate [Member] |  |  |  |
Summary of significant accounting policies |  |  |  |
Revenues | 61,607 | 40,376 | 197,332 | 104,700
Natural gas and NGL sales |  |  |  |
Summary of significant accounting policies |  |  |  |
Revenues | $ 28,587 | $ 15,341 | $ 65,931 | $ 37,932

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