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Other Expenses (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Analysis of income and expense [abstract]    
Increase (Decrease) in Closure and Decommissioning Estimates $ 246 $ 5,230
Change in provisions 1,323 7,493
Commissions on investment dispositions 0 3,465
Other expense (1,605) 4,956
Other operating income (expense) $ (36) $ 21,144