INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2021

INTANGIBLE ASSETS

Schedule of intangible assets

Intangible assets on the Company’s condensed consolidated balance sheets consist of the following (in thousands):

		March 31, 2021						December 31, 2020
		Gross		Accumulated		Net Book		Gross		Accumulated		Net Book
	Life	Amount		amortization		Value		Amount		amortization		Value
Customer lists	8 - 17 years	$	69,405	$	(24,520)	$	44,885	$	69,833	$	(23,636)	$	46,197
Trade name	10 - 19 years		13,934		(5,260)		8,674		14,055		(5,061)		8,994
Design and technologies	10 - 15 years		15,232		(4,946)		10,286		15,531		(4,874)		10,657
Patents	17 years		24		(13)		11		24		(13)		11
Total		$	98,595	$	(34,739)	$	63,856	$	99,443	$	(33,584)	$	65,859

Schedule of estimated amortization expense for intangible assets

Estimated future intangible asset amortization expense as of March 31, 2021 is as follows (in thousands):

	Estimated
	Amortization Expense
Remainder of 2021	$	4,512
2022		6,065
2023		6,080
2024		5,751
2025		5,734
2026		5,722
Thereafter		29,992
Total estimated amortization expense	$	63,856