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Provisions - Roll Forward of Provisions (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Changes in Provision [Roll Forward]    
Provisions, beginning balance $ 65,754 $ 47,726
Cash payments (43,191) (35,844)
Other adjustments (79) 9,880
Provisions, ending balance 61,007 65,754
Operating expenses    
Changes in Provision [Roll Forward]    
Income statement charges 36,214 42,179
Finance cost    
Changes in Provision [Roll Forward]    
Income statement charges 2,309 1,813
Restoration    
Changes in Provision [Roll Forward]    
Provisions, beginning balance 17,675 10,884
Cash payments (213) 0
Other adjustments (492) 4,406
Provisions, ending balance 13,766 17,675
Restoration | Operating expenses    
Changes in Provision [Roll Forward]    
Income statement charges (4,030) 1,921
Restoration | Finance cost    
Changes in Provision [Roll Forward]    
Income statement charges 826 464
Environmental    
Changes in Provision [Roll Forward]    
Provisions, beginning balance 3,087 1,187
Cash payments (29) (28)
Other adjustments (886) 0
Provisions, ending balance 642 3,087
Environmental | Operating expenses    
Changes in Provision [Roll Forward]    
Income statement charges (1,563) 1,888
Environmental | Finance cost    
Changes in Provision [Roll Forward]    
Income statement charges 33 40
Equipment removal    
Changes in Provision [Roll Forward]    
Provisions, beginning balance 13,156 9,235
Cash payments 155 (95)
Other adjustments (2,022) 3,900
Provisions, ending balance 11,576 13,156
Equipment removal | Operating expenses    
Changes in Provision [Roll Forward]    
Income statement charges (77) (215)
Equipment removal | Finance cost    
Changes in Provision [Roll Forward]    
Income statement charges 364 331
Insurance reserves    
Changes in Provision [Roll Forward]    
Provisions, beginning balance 24,990 21,385
Cash payments (43,104) (35,721)
Other adjustments (918) 0
Provisions, ending balance 23,150 24,990
Insurance reserves | Operating expenses    
Changes in Provision [Roll Forward]    
Income statement charges 41,374 38,448
Insurance reserves | Finance cost    
Changes in Provision [Roll Forward]    
Income statement charges 808 878
Lease return obligations    
Changes in Provision [Roll Forward]    
Provisions, beginning balance 6,488 4,497
Cash payments 0 0
Other adjustments 2,814 1,574
Provisions, ending balance 9,893 6,488
Lease return obligations | Operating expenses    
Changes in Provision [Roll Forward]    
Income statement charges 313 317
Lease return obligations | Finance cost    
Changes in Provision [Roll Forward]    
Income statement charges 278 100
Sales and use tax    
Changes in Provision [Roll Forward]    
Provisions, beginning balance 358 538
Cash payments 0 0
Other adjustments 0 0
Provisions, ending balance 555 358
Sales and use tax | Operating expenses    
Changes in Provision [Roll Forward]    
Income statement charges 197 (180)
Sales and use tax | Finance cost    
Changes in Provision [Roll Forward]    
Income statement charges 0 0
Litigation    
Changes in Provision [Roll Forward]    
Provisions, beginning balance 0  
Cash payments 0  
Other adjustments 1,425  
Provisions, ending balance 1,425 $ 0
Litigation | Operating expenses    
Changes in Provision [Roll Forward]    
Income statement charges 0  
Litigation | Finance cost    
Changes in Provision [Roll Forward]    
Income statement charges $ 0