GOODWILL AND INTANGIBLE ASSETS (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Goodwill Activity

A summary of the activity and balances related to goodwill by reporting segment is as follows:

	December 31, 2020		Acquisitions		September 30, 2021
Eastern region	$	30,873	$	18,984	$	49,857
Western region	149,984		10,156		160,140
Resource solutions	14,044		3,888		17,932
Total	$	194,901	$	33,028	$	227,929

Summary of Intangible Assets by Type

Summaries of intangible assets by type follows:

	Covenants Not-to-Compete		Client Lists		Trade Names		Total
Balance, September 30, 2021
Intangible assets	$	29,514	$	109,676	$	8,350	$	147,540
Less accumulated amortization	(21,752)		(32,298)		(582)		(54,632)
	$	7,762	$	77,378	$	7,768	$	92,908

	Covenants Not-to-Compete		Client Lists		Total
Balance, December 31, 2020
Intangible assets	$	26,971	$	78,809	$	105,780
Less accumulated amortization	(20,547)		(26,909)		(47,456)
	$	6,424	$	51,900	$	58,324

Summary of Intangible Amortization Expense Estimated

A summary of intangible amortization expense estimated for the five fiscal years following fiscal year 2020 and thereafter follows:

Estimated Future Amortization Expense as of September 30, 2021
Fiscal year ending December 31, 2021	$	3,694
Fiscal year ending December 31, 2022	$	14,007
Fiscal year ending December 31, 2023	$	12,970
Fiscal year ending December 31, 2024	$	12,634
Fiscal year ending December 31, 2025	$	11,945
Thereafter	$	37,658