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GOODWILL AND INTANGIBLE ASSETS - Summary of Goodwill Activity (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 274,458
Acquisitions	345,172
Measurement Period Adjustments	53
Goodwill, ending balance	619,683
Eastern
Goodwill [Roll Forward]
Goodwill, beginning balance	52,406
Acquisitions	0
Measurement Period Adjustments	0
Goodwill, ending balance	52,406
Western
Goodwill [Roll Forward]
Goodwill, beginning balance	183,286
Acquisitions	11,282
Measurement Period Adjustments	53
Goodwill, ending balance	194,621
Mid-Atlantic
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Acquisitions	333,890
Measurement Period Adjustments	0
Goodwill, ending balance	333,890
Resource Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	38,766
Acquisitions	0
Measurement Period Adjustments	0
Goodwill, ending balance	$ 38,766

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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