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GOODWILL AND INTANGIBLE ASSETS - Schedule of Activity and Balances Related to Goodwill by Reporting Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 274,458	$ 232,860
Acquisitions	461,159	40,707
Measurement Period Adjustments	53	891
Goodwill, ending balance	735,670	274,458
Eastern
Goodwill [Roll Forward]
Goodwill, beginning balance	52,406	52,072
Acquisitions	21,487	93
Measurement Period Adjustments	0	241
Goodwill, ending balance	73,893	52,406
Western
Goodwill [Roll Forward]
Goodwill, beginning balance	183,286	163,728
Acquisitions	101,717	18,908
Measurement Period Adjustments	53	650
Goodwill, ending balance	285,056	183,286
Mid-Atlantic
Goodwill [Roll Forward]
Goodwill, beginning balance	0	0
Acquisitions	332,247	0
Measurement Period Adjustments	0	0
Goodwill, ending balance	332,247	0
Resource Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	38,766	17,060
Acquisitions	5,708	21,706
Measurement Period Adjustments	0	0
Goodwill, ending balance	$ 44,474	$ 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 in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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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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