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Landfill Accounting - Landfills Owned and Operated (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
USD ($)
site
Dec. 31, 2024
USD ($)
Landfill Accounting [Line Items]    
Number of landfills owned and operated by company 101  
Number of landfills operated, not owned, under life-of-site operating agreements 5  
Number of landfills operated under limited-term operating agreements 7  
Property and equipment, net | $ $ 8,222,980 $ 8,035,929
Average remaining landfill life based on permitted capacity and projected annual disposal volumes 32 years  
Number of owned landfills the company is seeking to expand 6  
Number of landfills operated under life-of-site operating agreements that the company is seeking to expand 2  
Average remaining landfill life based on permitted capacity, projected annual disposal volumes and probable expansion capacity 34 years  
Life of Company's owned landfills and landfills operated under life-of-site operating agreements min range 1 year  
Percentage of projected annual disposal volume from landfills with remaining lives within threshold period 90.00%  
Threshold period used for measurement of projected annual disposal volume from landfills 70 years  
Landfill    
Landfill Accounting [Line Items]    
Property and equipment, net | $ $ 3,335,719