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Impairment (Tables)
12 Months Ended
Dec. 31, 2021
Impairment Disclosure [Abstract]  
Schedule of Asset Impairment
Asset impairment for the years ended December 31, 2021, 2020 and 2019 was as follows:
Year Ended December 31,
(Thousands of U.S. Dollars)202120202019
Impairment of oil and gas properties$ $560,344 $— 
Impairment of inventory 4,151 — 
$ $564,495 $—