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Intangible Assets

3 Months Ended

Mar. 31, 2024

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible assets as of March 31, 2024 and December 31, 2023 consist of the following:


		As of March 31, 2024				As of December 31, 2023
(In thousands)	Useful Life (in years)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Acquired technology	3 to 7	$	43,634	$	42,584	$	43,869	$	42,712
Customer relationships	5 to 12	34,707		26,457		34,773		25,960
Patents, trademarks, and other	10 to 20	13,113		12,267		13,103		12,241
Total		$	91,454	$	81,308	$	91,745	$	80,913

Amortization expense was $0.7 million and $0.6 million for the three months ended March 31, 2024 and 2023, respectively. Amortization expense includes cost of sales amortization expense directly related to delivering cloud subscription revenue of $0.1 million and less than $0.1 million for the three months ended March 31, 2024 and 2023, respectively. Costs are recorded in "Services and other cost of goods sold" on the condensed consolidated statements of operations.

Certain intangible assets are denominated in functional currencies besides the U.S. dollar and are subject to currency fluctuations.

There was no impairment of intangible assets recorded during the three months ended March 31, 2024 and 2023.