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Supplemental Cash Flow Information - Supplemental Disclosure of Cash Flow Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Supplemental Cash Flow Information [Abstract]      
Cash paid for interest $ 26,344 $ 31,201 $ 25,984
Cash paid for income taxes, net of refunds received $ 3,296 $ 1,580 $ 1,756