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GOODWILL AND INTANGIBLE ASSETS - Summary of Goodwill Activity (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 232,860
Acquisitions	38,691
Adjustments to Acquisitions	891
Goodwill, ending balance	272,442
Eastern
Goodwill [Roll Forward]
Goodwill, beginning balance	52,072
Acquisitions	93
Adjustments to Acquisitions	241
Goodwill, ending balance	52,406
Western
Goodwill [Roll Forward]
Goodwill, beginning balance	163,728
Acquisitions	16,892
Adjustments to Acquisitions	650
Goodwill, ending balance	181,270
Resource Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	17,060
Acquisitions	21,706
Adjustments to Acquisitions	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.

+ References

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