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BUSINESS COMBINATIONS - Narrative (Detail) - business	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Intangible assets, useful life	10 years
Minimum
Business Acquisition [Line Items]
Intangible assets, useful life	4 years
Maximum
Business Acquisition [Line Items]
Intangible assets, useful life	10 years
Eastern | Tuck-in Solid Waste Collection Business
Business Acquisition [Line Items]
Number of businesses acquired	2		3
Western | Tuck-in Solid Waste Collection Business
Business Acquisition [Line Items]
Number of businesses acquired	2	7	4
Resource Solutions | Recycling Operation
Business Acquisition [Line Items]
Number of businesses acquired		1

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of businesses acquired by the entity during the period.

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