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Inventory - Components of Inventory (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Inventory    
Equipment and materials $ 14,541 $ 12,175
Crude oil inventory 28,469 16,781
Total inventory 43,010 28,956
Long-term inventory    
Linefill in third party pipelines 19,188 17,510
Total long-term inventory 19,188 17,510
Total $ 62,198 $ 46,466