| Schedule of Acquired Intangible Assets |
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 | |
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| Schedule of the Changes in the Carrying Amount of Goodwill |
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 | |
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