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Supplemental Cash Flow Information - Additional Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Supplemental Cash Flow Elements [Abstract]    
Interest paid $ (4,039) $ (13,272)
Income taxes paid (4,602) (54,221)
Income tax refunds $ 6,137 $ 2,339