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SEGMENT REPORTING - Summary of Revenue Attributable to Services Provided by Company (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue from External Customer [Line Items]
Revenues	$ 1,085,089	$ 889,211	$ 774,584
Product concentration risk | Revenue
Revenue from External Customer [Line Items]
Revenues percentage	100.00%	100.00%	100.00%
Solid waste operations
Revenue from External Customer [Line Items]
Revenues	$ 785,211	$ 654,089	$ 578,274
Solid waste operations | Product concentration risk | Revenue
Revenue from External Customer [Line Items]
Revenues percentage	72.40%	73.60%	74.70%
Collection
Revenue from External Customer [Line Items]
Revenues	$ 539,587	$ 442,685	$ 391,438
Collection | Product concentration risk | Revenue
Revenue from External Customer [Line Items]
Revenues percentage	49.70%	49.80%	50.50%
Disposal
Revenue from External Customer [Line Items]
Revenues	$ 227,971	$ 196,985	$ 175,546
Disposal | Product concentration risk | Revenue
Revenue from External Customer [Line Items]
Revenues percentage	21.00%	22.20%	22.70%
Power generation
Revenue from External Customer [Line Items]
Revenues	$ 7,519	$ 5,138	$ 4,072
Power generation | Product concentration risk | Revenue
Revenue from External Customer [Line Items]
Revenues percentage	0.70%	0.60%	0.50%
Processing
Revenue from External Customer [Line Items]
Revenues	$ 10,134	$ 9,281	$ 7,218
Processing | Product concentration risk | Revenue
Revenue from External Customer [Line Items]
Revenues percentage	1.00%	1.00%	1.00%
Resource Solutions operations
Revenue from External Customer [Line Items]
Revenues	$ 299,878	$ 235,122	$ 196,310
Resource Solutions operations | Product concentration risk | Revenue
Revenue from External Customer [Line Items]
Revenues percentage	27.60%	26.40%	25.30%
Processing
Revenue from External Customer [Line Items]
Revenues	$ 119,045	$ 93,323	$ 62,539
Processing | Product concentration risk | Revenue
Revenue from External Customer [Line Items]
Revenues percentage	10.90%	10.50%	8.00%
Customer Solutions
Revenue from External Customer [Line Items]
Revenues	$ 180,833	$ 141,799	$ 133,771
Customer Solutions | Product concentration risk | Revenue
Revenue from External Customer [Line Items]
Revenues percentage	16.70%	15.90%	17.30%

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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