Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill relates to Former Parent’s acquisition of Array. At the acquisition date, July 8, 2016, goodwill was $121.6 million. At December 31, 2019 and December 31, 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 Life (Years)	December 31,
		2020		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		65,233		50,676
Customer relationship		40,107		31,157
Internal-use software modification costs		4,356		2,613
Total Accumulated Amortization		109,696		84,446
Total Amortizable Intangibles, Net		187,960		213,210

Non-amortizable costs:
Trade name		10,300		10,300
Total Other Intangible Assets, Net		$	198,260	$	223,510

Amortization expense related to intangible assets was $25.3 million, $25.2 million and $26.5 million for the years ended December 31, 2020, 2019 and 2018, respectively.

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


	Amount
2021	$	23,507
2022	23,507
2023	23,507
2024	23,507
2025	23,507
Thereafter	70,425
	$	187,960