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Financing and Interest (Tables)
12 Months Ended
Dec. 31, 2021
Analysis of income and expense [abstract]  
Schedule of financing and interest
Years Ended December 31
2021 2020 
Interest on credit facilities$13,300 $15,256 
Interest on long-term notes78,546 90,830 
Interest on lease obligations223 448 
Cash interest$92,069 $106,534 
Amortization of debt issue costs4,858 6,617 
Accretion of asset retirement obligations (note 9)12,381 8,978 
Early redemption expense (note 8)1,851 3,312 
Financing and interest$111,159 $125,441