| Goodwill and Intangible Assets, Net |
Goodwill and Intangible Assets, Net Changes in goodwill are as follows (in thousands): | | | | | | | | | Balance as of December 31, 2025 | $ | 100,227 | | tvScientific acquisition | 375,063 | | | | | Balance as of June 30, 2026 | $ | 475,290 | |
Intangible assets, net consists of the following (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | | | | Gross Carrying Amount | | Accumulated Amortization | | Net Carrying Amount | | Weighted-Average Useful Life(1) | | Developed technology | | $ | 88,151 | | | $ | (32,076) | | | $ | 56,075 | | | 4.6 years | | Customer relationships | | 42,700 | | | (18,517) | | | 24,183 | | | 5.4 years | | Patents and other intangibles | | 12,721 | | | (9,942) | | | 2,779 | | | 7.7 years | | Total intangible assets, net | | $ | 143,572 | | | $ | (60,535) | | | $ | 83,037 | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | | | | | Gross Carrying Amount | | Accumulated Amortization | | Net Carrying Amount | | Weighted-Average Useful Life(1) | | Developed technology | | $ | 29,151 | | | $ | (26,932) | | | $ | 2,219 | | | 3.7 years | | Customer relationships | | 17,700 | | | (17,206) | | | 494 | | | 1.6 years | | Patents and other intangibles | | 12,721 | | | (9,351) | | | 3,370 | | | 7.7 years | | Total intangible assets, net | | $ | 59,572 | | | $ | (53,489) | | | $ | 6,083 | | | | | | | | | | | | | |
(1)Based on the weighted-average useful life established as of acquisition date. Amortization expense was $4.8 million and $1.7 million for the three months ended June 30, 2026 and 2025, respectively, and $7.0 million and $3.5 million for the six months ended June 30, 2026 and 2025, respectively. Estimated future amortization expense as of June 30, 2026, is as follows (in thousands): | | | | | | | | | | | Intangible Asset Amortization | | Remainder of 2026 | | $ | 9,208 | | | 2027 | | 15,794 | | | 2028 | | 15,752 | | | 2029 | | 15,396 | | | 2030 | | 15,023 | | | Thereafter | | 11,864 | | | Total | | $ | 83,037 | |
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