v3.26.1
Note 6 - Derivative Instruments - Carrying Value of Derivative Instruments (Details) - Future [Member]
Pure in Thousands, $ in Thousands
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Regulated fixed price future commitments, included in other current assets (in thousand barrels) 124 165
Regulated fixed price future commitments, included in other current assets (in thousand barrels) $ 721 $ (13)