GOODWILL AND INTANGIBLE ASSETS (Tables)

9 Months Ended

Sep. 30, 2020

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, 2019		Acquisitions		September 30, 2020
Eastern region	$	30,720	$	—	$	30,720
Western region	141,055		6,560		147,615
Resource solutions	14,044		—		14,044
Total	$	185,819	$	6,560	$	192,379

Summary of Intangible Assets by Intangible Asset Type

Summaries of intangible assets by intangible asset type follows:

	Covenants Not-to-Compete		Client Lists		Total
Balance, September 30, 2020
Intangible assets	$	26,793	$	77,741	$	104,534
Less accumulated amortization	(20,150)		(24,994)		(45,144)
	$	6,643	$	52,747	$	59,390

	Covenants Not-to-Compete		Client Lists		Total
Balance, December 31, 2019
Intangible assets	$	26,162	$	71,122	$	97,284
Less accumulated amortization	(18,968)		(19,595)		(38,563)
	$	7,194	$	51,527	$	58,721

Summary of Intangible Amortization Expense Estimated

A summary of intangible amortization expense estimated for the five fiscal years following the fiscal year ended December 31, 2019 and thereafter follows:

Estimated Future Amortization Expense as of September 30, 2020
Fiscal year ending December 31, 2020	$	2,272
Fiscal year ending December 31, 2021	$	7,701
Fiscal year ending December 31, 2022	$	7,027
Fiscal year ending December 31, 2023	$	6,800
Fiscal year ending December 31, 2024	$	7,746
Thereafter	$	27,844