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BUSINESS COMBINATIONS - Narrative (Details) - business | 9 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021
Business Acquisition [Line Items] |  |
Number of businesses acquired | 12 | 8
Minimum |  |
Business Acquisition [Line Items] |  |
Useful life of finite lived intangible assets (in years) | 2 years |
Maximum |  |
Business Acquisition [Line Items] |  |
Useful life of finite lived intangible assets (in years) | 10 years |
Western | Tuck-in Solid Waste Collection Business |  |
Business Acquisition [Line Items] |  |
Number of businesses acquired | 6 | 2

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- Details
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