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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The change in the carrying value of goodwill for the year ended December 31, 2024 and 2023, categorized by reportable segment, is as follows (in thousands):
|  | Clear Aligner |  | Systems and Services |  | Total
Balance as of December 31, 2022 |  | $ | 109,480 |  |  | $ | 298,071 |  |  | $ | 407,551 |
Foreign currency translation adjustments |  | 1,606 |  |  | 10,373 |  |  | 11,979 |
Balance as of December 31, 2023 |  | 111,086 |  |  | 308,444 |  |  | 419,530 |
Additions from acquisition |  | 47,576 |  |  | — |  |  | 47,576 |
Foreign currency translation adjustments |  | (6,017) |  |  | (18,459) |  |  | (24,476) |
Balance as of December 31, 2024 |  | $ | 152,645 |  |  | $ | 289,985 |  |  | $ | 442,630 |
Schedule of Amortized Intangible Assets | Acquired finite-lived intangible assets were as follows, excluding intangible assets that were fully amortized (in thousands):
|  | Weighted Average Amortization Period (in years) |  | Gross Carrying Amount as of December 31, 2024 |  | Accumulated Amortization |  | Accumulated Impairment Loss |  | Net Carrying Value as of December 31, 2024
Existing technology |  | 11 |  | $ | 146,651 |  |  | $ | (52,238) |  |  | $ | — |  |  | $ | 94,413 |
Customer relationships |  | 10 |  | 21,500 |  |  | (10,079) |  |  | — |  |  | 11,421 |
Trademarks and tradenames |  | 10 |  | 16,600 |  |  | (9,255) |  |  | (4,122) |  |  | 3,223 |
Patents |  | 12 |  | 480 |  |  | (280) |  |  | — |  |  | 200 |
|  |  |  | $ | 185,231 |  |  | $ | (71,852) |  |  | $ | (4,122) |  |  | 109,257 |
Foreign currency translation adjustments |  |  |  |  |  |  |  |  |  | (5,769) |
Total intangible assets, net |  |  |  |  |  |  |  |  |  | $ | 103,488 |
|  | Weighted Average Amortization Period (in years) |  | Gross Carrying Amount as of December 31, 2023 |  | Accumulated Amortization |  | Accumulated Impairment Loss |  | Net Carrying Value as of December 31, 2023
Existing technology |  | 10 |  | $ | 112,051 |  |  | $ | (45,331) |  |  | $ | (4,328) |  |  | $ | 62,392 |
Customer relationships |  | 10 |  | 21,500 |  |  | (8,063) |  |  | — |  |  | 13,437 |
Trademarks and tradenames |  | 10 |  | 16,600 |  |  | (7,605) |  |  | (4,122) |  |  | 4,873 |
Patents |  | 8 |  | 6,511 |  |  | (6,082) |  |  | — |  |  | 429 |
|  |  |  | $ | 156,662 |  |  | $ | (67,081) |  |  | $ | (8,450) |  |  | 81,131 |
Foreign currency translation adjustments |  |  |  |  |  |  |  |  |  | 987 |
Total intangible assets, net |  |  |  |  |  |  |  |  |  | $ | 82,118 |
Schedule of Future Amortization for Finite-Lived Intangible Assets | The total estimated future amortization expense for these acquired finite-lived intangible assets as of December 31, 2024 is as follows (in thousands):
Fiscal Year |  | Amortization
2025 |  | $ | 18,651 |
2026 |  | 17,969 |
2027 |  | 15,607 |
2028 |  | 14,505 |
2029 |  | 14,505 |
Thereafter |  | 28,020 |
Total amortization |  | $ | 109,257 |

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