XML 48 R21.htm IDEA: XBRL DOCUMENT v3.20.4
Financing and Interest
12 Months Ended
Dec. 31, 2020
Analysis of income and expense [abstract]  
Financing and Interest FINANCING AND INTEREST
Years Ended December 31
2020 2019 
Interest on credit facilities$15,256 $20,376 
Interest on long-term notes90,830 86,431 
Interest on lease obligations448 610 
Non-cash financing6,617 4,735 
Accretion of asset retirement obligations (note 10)8,978 13,713 
Early redemption expense (note 9)3,312 — 
Financing and interest$125,441 $125,865