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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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