Goodwill and Intangible Assets

6 Months Ended

Jun. 30, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Note 4 – Goodwill and Intangible Assets

Goodwill increased $85.3 million from December 31, 2018 to June 30, 2019 primarily due to our acquisition of Maxwell.

Information regarding our acquired intangible assets including assets recognized from acquisition of Maxwell was as follows (in thousands):

	June 30, 2019										December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Other			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Other			Net Carrying Amount
Finite-lived intangible assets:
Developed technology	$	254,526	$	(53,577	)	$	1,130		$	202,079	$	152,431	$	(40,705	)	$	1,205		$	112,931
Trade names		3,175		(710	)		160			2,625		45,275		(44,056	)		170			1,389
Favorable contracts and leases, net		112,817		(20,281	)		—			92,536		112,817		(16,409	)		—			96,408
Other		37,559		(13,463	)		689			24,785		35,559		(11,540	)		719			24,738
Total finite-lived intangible assets		408,077		(88,031	)		1,979			322,025		346,082		(112,710	)		2,094			235,466
Indefinite-lived intangible assets:
Gigafactory 1 water rights		5,333		—			—			5,333		—		—			—			—
In-process research and development (“IPR&D”)		60,290		—			(60,290	)		—		60,290		—			(13,264	)		47,026
Total indefinite-lived intangible assets		65,623		—			(60,290	)		5,333		60,290		—			(13,264	)		47,026
Total intangible assets	$	473,700	$	(88,031	)	$	(58,311	)	$	327,358	$	406,372	$	(112,710	)	$	(11,170	)	$	282,492

In April 2019, the Company determined to abandon further development efforts on the IPR&D and therefore impaired the remaining $47.0 million in the quarter ended June 30, 2019, in restructuring and other expenses.

Total future amortization expense for intangible assets was estimated as follows (in thousands):

Six months ending December 31, 2019	$	23,222
2020		44,550
2021		44,550
2022		44,550
2023		38,362
Thereafter		126,791
Total	$	322,025