GOODWILL AND INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 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		March 31, 2020
Eastern region	$	30,720	$	—	$	30,720
Western region	141,055		807		141,862
Resource solutions	14,044		—		14,044
Total	$	185,819	$	807	$	186,626

Summary of Intangible Assets by Intangible Asset Type

A summary of intangible assets by intangible asset type follows:

	Covenants Not-to-Compete		Client Lists		Total
Balance, March 31, 2020
Intangible assets	$	26,467	$	72,133	$	98,600
Less accumulated amortization	(19,365)		(21,292)		(40,657)
	$	7,102	$	50,841	$	57,943

	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 March 31, 2020
Fiscal year ending December 31, 2020	$	6,255
Fiscal year ending December 31, 2021	$	6,963
Fiscal year ending December 31, 2022	$	6,324
Fiscal year ending December 31, 2023	$	6,131
Fiscal year ending December 31, 2024	$	7,109
Thereafter	$	25,161