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Landfill Accounting - Landfills Owned and Operated (Details) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 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 | $ | $ 8,422,847 | $ 8,035,929
Average remaining landfill life based on permitted capacity and projected annual disposal volumes | 31 years |
Number of owned landfills the company is seeking to expand | 6 |
Average remaining landfill life based on permitted capacity, projected annual disposal volumes and probable expansion capacity | 33 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 | $ | $ 3,333,798 |

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