INTANGIBLE ASSETS

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

INTANGIBLE ASSETS

INTANGIBLE ASSETS

A summary of intangible assets as of March 31, 2019 and December 31, 2018 is as follows (in thousands):

	March 31, 2019							December 31, 2018
	(unaudited)
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Customer relationships	$	174,909	$	(54,317	)	$	120,592	$	174,894	$	(51,160	)	$	123,734
Non-compete agreements	5,443		(5,015		)	428		5,433		(4,882		)	551
Trade names	24,723		(20,725		)	3,998		24,753		(20,594		)	4,159
Technology	7,838		(5,405		)	2,433		7,847		(5,187		)	2,660
Licenses	848		(598		)	250		851		(583		)	268
Total	$	213,761	$	(86,060	)	$	127,701	$	213,778	$	(82,406	)	$	131,372

Amortization expense for the three months ended March 31, 2019 and 2018 was $3.6 million and $7.2 million, respectively.