Acquired intangible assets that are subject to amortization consisted of the following as of March 31, 2024 and December 31, 2023 (in thousands):


	March 31, 2024						December 31, 2023
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Completed technologies	$	354,223	$	(203,676)	$	150,547	$	354,539	$	(196,572)	$	157,967
Customer-related intangible assets	613,369		(286,130)		327,239		616,267		(273,758)		342,509

Trademarks and trade names	14,652		(9,437)		5,215		14,659		(9,117)		5,542
Acquired license rights	34,810		(5,257)		29,553		34,810		(4,685)		30,125
Total	$	1,017,054	$	(504,500)	$	512,554	$	1,020,275	$	(484,132)	$	536,143

Aggregate expense related to amortization of acquired intangible assets for the three months ended March 31, 2024 and 2023 was $21.0 million and $15.9 million, respectively. Based on the Company’s acquired intangible assets as of March 31, 2024, aggregate expense related to amortization of acquired intangible assets is expected to be $63.3 million for the remainder of 2024, and $80.3 million, $76.0 million, $61.9 million and $49.5 million for 2025, 2026, 2027 and 2028, respectively.

The changes in the carrying amount of goodwill for the three months ended March 31, 2024 were as follows (in thousands):


Balance as of January 1, 2024	$	2,850,470

Measurement period adjustments related to acquisitions completed in prior years	18

Foreign currency translation	(3,953)
Balance as of March 31, 2024	$	2,846,535

The Company tests goodwill for impairment at least annually. Through the date the interim condensed consolidated financial statements were issued, no triggering events have occurred that would indicate that a potential impairment exists.