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Segment Reporting - Reconciliation of Adjusted EBITDA (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Segment Reporting [Abstract]          
Net income (loss) $ 20,371 $ (14,130) $ 91,655 $ 24,818 $ 77,525
Income tax (benefit) expense 18,828 (285)   29,309 505
Loss on extinguishment of debt 2,814 0   5,999 0
Interest expense 29,212 28,519   59,176 56,776
Depreciation, Amortization and Accretion, Net 84,515 48,377   158,537 97,399
Fair value (gain) loss on common stock warrant liabilities (610) 26,963   26,597 (68,366)
Currency losses (gains), net 33 (380)   69 518
Restructuring costs, lease impairment expense and other related charges 7,434 2,143   11,829 3,744
Transaction costs 0 1,619   844 11,050
Integration costs 7,622 2,153   14,964 3,839
Stock compensation expense 4,707 2,227   8,221 4,014
Other 569 314   (1,283) 58
Adjusted EBITDA $ 175,495 $ 97,520   $ 339,080 $ 187,062