Intangible Assets

3 Months Ended

Mar. 31, 2023

Intangible Assets, Net (Excluding Goodwill) [Abstract]

10. INTANGIBLE ASSETS

Intangible assets consisted of the following:


			As of March 31, 2023							As of December 31, 2022
(In thousands)	Weighted Average Useful Life (in years)		Gross Carrying Amount		Accumulated Amortization			Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
Customer relationships		10.9	$	54,103	$	(12,180	)	$	41,923	$	55,517	$	(12,772	)	$	42,745
Backlog		1.6		56,382		(35,348	)		21,034		55,782		(22,725	)		33,057
Developed technology		8.5		323,723		(31,604	)		292,119		320,364		(21,856	)		298,508
Licensed technology		9.0		5,900		(3,305	)		2,595		5,900		(3,141	)		2,759
Licensing agreements		8.5		560		(316	)		244		560		(298	)		262
Patents		7.3		500		(449	)		51		500		(431	)		69
Trade names		3.0		29,167		(7,847	)		21,320		29,066		(5,255	)		23,811
Total			$	470,335	$	(91,049	)	$	379,286	$	467,689	$	(66,478	)	$	401,211

Intangible assets are reviewed for impairment whenever events and circumstances indicate impairment may have occurred. The Company assessed impairment triggers related to intangible assets during each financial period in 2023 and 2022. As a result, no quantitative impairment test of long-lived assets was performed as of March 31, 2023 and 2022, and no impairment losses of intangible assets were recorded during the three months ended March 31, 2023 and 2022.

Amortization expense was $25.8 million and $0.9 million in the three months ended March 31, 2023 and 2022, respectively, and was included in cost of revenue, selling, general and administrative expenses and research and development expenses in the Condensed Consolidated Statements of Loss.

Estimated future amortization expense of intangible assets was as follows:


	As of
(In thousands)	March 31, 2023
2023	$	56,855
2024		58,129
2025		46,558
2026		43,292
2027		41,922
Thereafter		132,530
Total	$	379,286