INTANGIBLE ASSETS AND GOODWILL (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets

The Company's intangible assets at March 31, 2020 and December 31, 2019 consisted of the following (in thousands):

March 31, 2020	Weighted average amortization period (years)	Cost		Accumulated amortization		Net carrying value
In-process research and development	*	$	36,600	$	—	$	36,600
Developed technology	7.92	295,780		109,714		186,066
Customer relationships	11.83	266,140		38,507		227,633
Trade names	3.60	4,000		1,369		2,631
Internal use software	3.00	730		730		—
	9.13	$	603,250	$	150,320	$	452,930

December 31, 2019	Weighted average amortization period (years)	Cost		Accumulated amortization		Net carrying value
In-process research and development	*	$	5,600	$	—	$	5,600
Developed technology	6.79	188,880		100,760		88,120
Customer relationships	9.46	152,140		33,350		118,790
Trade names	5.20	2,000		1,144		856
Internal use software	3.00	730		730		—
	7.82	$	349,350	$	135,984	$	213,366

* An in-process research and development intangible asset has an indefinite life until the product is generally available, at which time such asset is typically reclassified to developed technology.

Schedule of amortization expense related to intangible assets

Amortization expense for intangible assets for the three months ended March 31, 2020 and 2019 was as follows (in thousands):

	Three months ended				Statement of operations classification
	March 31, 2020		March 31, 2019
Developed technology	$	8,954	$	9,645	Cost of revenue - product
Customer relationships	5,156		2,130		Sales and marketing
Trade names	224		147		Sales and marketing
	$	14,334	$	11,922

Schedule of estimated future amortization expense for intangible assets

Estimated future amortization expense for the Company's intangible assets at March 31, 2020 was as follows (in thousands):

Years ending December 31,
Remainder of 2020	$	44,869
2021	64,323
2022	58,153
2023	51,445
2024	43,477
Thereafter	190,663
	$	452,930

Schedule of goodwill

The changes in the carrying value of the Company's goodwill in the three months ended March 31, 2020 and 2019 were as follows (in thousands):

Balance at January 1	2020			2019
Goodwill	$	392,302		$	386,761
Accumulated impairment losses	(167,406		)	(3,106		)
	224,896			383,655
Acquisition of ECI	189,493			—
Acquisition of Anova	—			5,541
Balance at March 31	$	414,389		$	389,196
Balance at March 31
Goodwill	$	581,795		$	392,302
Accumulated impairment losses	(167,406		)	(3,106		)
	$	414,389		$	389,196