Goodwill and Other Intangible Assets

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill relates to Former Parent’s acquisition of AT (the “Acquisition”) in 2016. As of July 8, 2016 (the “Acquisition Date”), goodwill was $121.6 million. As of September 30, 2021 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 Lives (Years)	September 30,		December 31,
		2021		2020
Amortizable:
Costs:
Developed technology	14	$	203,800	$	203,800
Customer relationships	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		76,151		65,233
Customer relationships		46,819		40,107
Internal-use software modification costs		4,356		4,356
Total accumulated amortization		127,326		109,696
Total amortizable intangibles, net		170,330		187,960

Non-amortizable costs:
Trade name		10,300		10,300
Total other intangible assets, net		$	180,630	$	198,260

Amortization expense related to intangible assets amounted to $5.9 million for the three months ended September 30, 2021 and 2020, and $17.6 million for the nine months ended September 30, 2021 and 2020, respectively.