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Inventory - Components of Inventory (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Inventory    
Equipment and materials $ 20,961 $ 21,097
Crude oil inventory 39,926 33,314
Total inventory 60,887 54,411
Long-term inventory    
Linefill in third-party pipelines 20,669 22,009
Total long-term inventory 20,669 22,009
Total $ 81,556 $ 76,420