Goodwill and Other Intangible Assets

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill relates to Parent’s acquisition of Array. At the acquisition date, July 8, 2016, goodwill was $121.6 million. At December 31, 2019 and September 30, 2020 goodwill totaled $69.7 million, net of accumulated impairment of $51.9 million and is not deductible for tax purposes.

Other Intangible Assets

Other intangible assets consisted of the following (in thousands):


	Estimated Useful Lives (Years)	September 30, 2020		December 31, 2019
Amortizable:
Costs:
Developed technology	14	$	203,800	$	203,800
Customer relationship	10	89,500		89,500
Internal-use software modification	2.5	4,356		4,356
Total Amortizable Intangibles		297,656		297,656

Accumulated amortization:
Developed technology		61,594		50,676
Customer relationship		37,869		31,157
Internal-use software modification costs		3,920		2,613
Total Accumulated Amortization		103,383		84,446
Total Amortizable Intangibles, Net		194,273		213,210

Non-amortizable costs:
Trade name		10,300		10,300
Total Other Intangible Assets, Net		$	204,573	$	223,510

Amortization expense related to intangible assets amounted to $6.3 million for the three months ended September 30, 2020 and 2019 and $18.9 million for the nine months ended September 30, 2020 and 2019, respectively.

Estimated future annual amortization expense for the above amortizable intangible assets for the remaining periods through December 31, as follows (in thousands):


	Amount
2020	$	6,313
2021	23,507
2022	23,507
2023	23,507
2024	23,507
Thereafter	93,932
	$	194,273