INTANGIBLE ASSETS

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets consisted of the following (in thousands):


	September 30, 2020						December 31, 2019
	(unaudited)
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Customer relationships	$	175,091	$	(73,125)	$	101,966	$	174,940	$	(63,727)	$	111,213
Non-compete agreements	5,466		(5,466)		—		5,466		(5,306)		160
Trade names	24,792		(21,604)		3,188		24,724		(21,146)		3,578
Technology	7,858		(6,567)		1,291		7,838		(5,976)		1,862
Licenses	854		(697)		157		848		(642)		206
Total	$	214,061	$	(107,459)	$	106,602	$	213,816	$	(96,797)	$	117,019

Amortization expense of intangible assets for the three months ended September 30, 2020 and September 30, 2019 was $3.6 million and $3.6 million, respectively. Amortization of intangible assets for the nine months ended September 30, 2020 and September 30, 2019 was $10.9 million and $11.0 million, respectively.