INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2018

INTANGIBLE ASSETS

Schedule of intangible assets

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

		December 31, 2018						December 31, 2017
		Gross		Accumulated		Net Book		Gross		Accumulated		Net Book
	Life	Amount		amortization		Value		Amount		amortization		Value
Customer lists	8 - 17 years	$	64,439	$	(15,343)	$	49,096	$	38,659	$	(12,721)	$	25,938
Trade name	10 - 19 years		12,249		(3,305)		8,944		6,213		(2,798)		3,415
Design and technologies	10 - 15 years		13,023		(2,723)		10,300		5,147		(2,443)		2,704
Patents	17 years		24		(10)		14		24		(8)		16
Total		$	89,735	$	(21,381)	$	68,354	$	50,043	$	(17,970)	$	32,073

Schedule of estimated amortization expense for intangible assets

Estimated amortization expense for intangible assets is as follows (in thousands):

Year ending December 31,	Total
2019	$	5,736
2020		5,736
2021		5,481
2022		5,481
2023		5,400
Thereafter		40,520
	$	68,354