Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill for the three months ended March 31, 2019 and the twelve months ended December 31, 2018 were as follows:


(in thousands)	March 31, 2019		December 31, 2018
Balance as of Beginning balance	$	6,670	$	9,402
Measurement period adjustment	—		(2,807)
Foreign currency translation	(21)		75
Balance as of Ending balance	$	6,649	$	6,670

See Note 3 for a description of the measurement period adjustment.

The Company’s intangible assets at March 31, 2019 and December 31, 2018 consisted of the following:


	March 31, 2019														December 31, 2018
(in thousands)	Gross Carrying Amount		Accumulated Amortization		Impairment		Net		Gross Carrying Amount		Accumulated Amortization		Impairment		Net
Other intangible assets:
Developed technology	$	759,248	$	(143,967)	$	—	$	615,281	$	759,290	$	(134,151)	$	—	$	625,139
In-process research and development	39,000		(5,597)		—		33,403		39,000		(5,055)		—		33,945
Trade name	25,445		—		—		25,445		28,507		—		(2,600)		25,907
Service provider network	2,000		—		—		2,000		2,000		—		—		2,000
Customer relationships	19,657		(1,619)		—		18,038		19,872		(2,198)		—		17,674
Software	9,380		(3,563)		—		5,817		9,405		(2,161)		—		7,244

Other	100		(45)		—		55		100		(42)		—		58
Total intangible assets	$	854,830	$	(154,791)	$	—	$	700,039	$	858,174	$	(143,607)	$	(2,600)	$	711,967

During the Company's annual impairment testing conducted for the year ended December 31, 2018, the Company recorded an impairment charge of $2.6 million on its SmartFresh trade name.

At March 31, 2019, the weighted-average amortization period remaining for the finite-lived intangible assets was 14.7 years. At March 31, 2019, the weighted-average amortization periods remaining for developed technology, customer relationships, in-process R&D, software and other was 16.0, 12.7, 15.3, 2.1, and 3.3 years, respectively.

Estimated annual amortization expense for finite-lived intangible assets subsequent to March 31, 2019 is as follows:


(in thousands)	Amount
2019 (remaining)	$	35,094
2020	46,842
2021	43,969
2022	43,325
2023	43,325
Thereafter	460,039
Total	$	672,594

Amortization expense for intangible assets for the three months ended March 31, 2019 and 2018 was $11.6 million and $10.9 million, respectively.