GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill and Other Intangible Assets

The following table presents the changes in the carrying amount of goodwill and other intangible assets during the year ended December 31, 2020 (in thousands):

	Goodwill		Other Intangible Assets		Total
Balances as of December 31, 2019	$	194,052	$	52,582	$	246,634
Translation adjustment	—		(4)		(4)
Acquisitions	90,722		39,797		130,519
Impairment	(36,435)		—		(36,435)
Amortization	—		(12,287)		(12,287)
Balances as of December 31, 2020	$	248,339	$	80,088	$	328,427

The following table presents the changes in the carrying amount of goodwill and other intangible assets during the year ended December 31, 2019 (in thousands):

	Goodwill		Other Intangible Assets		Total
Balances as of December 31, 2018	$	194,052	$	67,207	$	261,259
Translation adjustment	—		449		449
Amortization	—		(15,074)		(15,074)
Balances as of December 31, 2019	$	194,052	$	52,582	$	246,634

Schedule of Goodwill Balance by Reportable Segment

The following table presents the goodwill balance by reportable segment as of December 31, 2020 and 2019 (in thousands):

	As of December 31,
	2020		2019
Service Centers	$	231,200	$	160,934
Innovative Pumping Solutions	—		15,980
Supply Chain Services	17,139		17,138
Total	$	248,339	$	194,052

Schedule of Other Intangible Assets

The following table presents a summary of other intangible assets ( in thousands):

	As of December 31, 2020						As of December 31, 2019
	Gross Carrying Amount		Accumulated Amortization		Carrying Amount, net		Gross Carrying Amount		Accumulated Amortization		Carrying Amount, net
Customer relationships	$	193,747	$	(116,028)	$	77,719	$	156,282	$	(103,796)	$	52,486
Non-compete agreements	2,617		(248)		2,369		285		(189)		96
Total	$	196,364	$	(116,276)	$	80,088	$	156,567	$	(103,985)	$	52,582

Schedule of Future Amortization Expense of Other Intangible Assets

The estimated future annual amortization of intangible assets for each of the next five years and thereafter are as follows (in thousands):

2021	$	15,564
2022	14,223
2023	12,504
2024	10,426
2025	9,023
Thereafter	18,348
Total	$	80,088