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SEGMENT REPORTING - Summary of Revenues Attributable to Services Provided by Company (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenue from External Customer [Line Items]
Revenues	$ 377,163	$ 289,645	$ 718,170	$ 552,241
Solid waste operations
Revenue from External Customer [Line Items]
Revenues	293,945	217,552	559,881	412,495
Collection
Revenue from External Customer [Line Items]
Revenues	223,959	149,848	435,318	289,825
Disposal
Revenue from External Customer [Line Items]
Revenues	65,123	63,629	115,262	115,096
Landfill gas-to-energy
Revenue from External Customer [Line Items]
Revenues	1,983	1,321	4,493	3,245
Processing
Revenue from External Customer [Line Items]
Revenues	2,880	2,754	4,808	4,329
Resource Solutions operations
Revenue from External Customer [Line Items]
Revenues	83,218	72,093	158,289	139,746
Processing
Revenue from External Customer [Line Items]
Revenues	33,275	25,383	63,038	48,189
National Accounts
Revenue from External Customer [Line Items]
Revenues	$ 49,943	$ 46,710	$ 95,251	$ 91,557

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