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Landfill Accounting - Final Capping, Closure and Post-Closure Liability (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Landfill Accounting [Abstract]    
Final capping, closure and post-closure liability at the beginning of the period $ 344,606  
Liability adjustments 20,508  
Accretion expense associated with landfill obligations 8,992 $ 7,992
Closure payments (8,282)  
Assumption of closure liabilities from acquisitions 3,505  
Foreign currency translation adjustment 794  
Final capping, closure and post-closure liability at the end of the period $ 370,123