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Supplemental Cash Flow Information - Supplemental Disclosure of Cash Flow Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Supplemental Cash Flow Information [Abstract]    
Cash paid for interest $ 6,709 $ 9,533
Cash paid for income taxes, net of refunds received $ 1,426 $ 87