| Schedule of Goodwill |
The changes to goodwill by reportable segments were as follows (in thousands):
| | | | | | | | | | | | | | | | | | | Owned and Operated Advertising | | Partner Network | | Total | | Goodwill at January 27, 2022 (Successor) | $ | — | | | $ | — | | | $ | — | | | Additions | 360,194 | | | 94,941 | | | 455,135 | | | Impairment | (360,194) | | | (12,534) | | | (372,728) | | | Goodwill at December 31, 2022 (Successor) and December 31, 2023 (Successor) | $ | — | | | $ | 82,407 | | | $ | 82,407 | |
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| Schedule of Finite-Lived Intangible Assets |
The estimated useful lives of our intangible assets are as follows (in years):
| | | | | | | | | | | | | Useful Life | | Developed technology | 4 | | Customer relationships | 3 | - | 5 | | Trademarks and trade names | 10 | | Other intangibles | 4 |
Internal-use software development costs and intangible assets consisted of the following (in thousands): | | | | | | | | | | | | | | | | | | | December 31, 2023 (Successor) | | Gross Carrying Amount | | Accumulated Amortization | | Net Carrying Amount | | Internal-use software development costs | $ | 13,788 | | | $ | (2,363) | | | $ | 11,425 | | | Intangible assets: | | | | | | | Developed technology | $ | 196,128 | | | $ | (94,354) | | | $ | 101,774 | | | Trademarks and trade names | 236,053 | | | (45,050) | | | 191,003 | | | Software | 5,100 | | | (2,341) | | | 2,759 | | | Customer relationships | 2,900 | | | (1,435) | | | 1,465 | | | Total | $ | 440,181 | | | $ | (143,180) | | | $ | 297,001 | | | | | | | |
| | | | | | | | | | | | | | | | | | | December 31, 2022 (Successor) | | Gross Carrying Amount | | Accumulated Amortization | | Net Carrying Amount | | Internal-use software development costs | $ | 7,206 | | | $ | (258) | | | $ | 6,948 | | | Intangible assets: | | | | | | | Developed technology | $ | 196,128 | | | $ | (45,322) | | | $ | 150,806 | | | Trademarks and trade names | 236,053 | | | (21,450) | | | 214,603 | | | Software | 5,100 | | | (1,066) | | | 4,034 | | | Customer relationships | 2,900 | | | (682) | | | 2,218 | | | Total | $ | 440,181 | | | $ | (68,520) | | | $ | 371,661 | |
Amortization expense for internal-use software development costs and intangible assets were as follows (in thousands):
| | | | | | | | | | | | | | | | | | | | | | Successor | | | Predecessor | | Year Ended
December 31, 2023 | | Period from January 27, 2022 through December 31, 2022 | | | Period from January 1, 2022 through January 26, 2022 | Amortization expense for internal-use software development | $ | 2,981 | | | $ | 467 | | | | $ | 355 | | | Amortization expense for intangible assets | $ | 74,660 | | | $ | 68,520 | | | | $ | 629 | |
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| Schedule of Finite-Lived Intangible Assets, Future Amortization Expense |
As of December 31, 2023 (Successor), the expected amortization expense associated with our intangible assets and internal-use software development costs was as follows (in thousands): | | | | | | | 2024 | $ | 78,968 | | 2025 | 78,359 | | 2026 | 30,007 | | 2027 | 24,488 | | 2028 | 23,600 | | Thereafter | 73,004 | | Total amortization expense | $ | 308,426 |
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