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v3.23.1

Goodwill and Long-lived Assets | 3 Months Ended
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Mar. 31, 2023
Notes To Financial Statements [Abstract] |
Goodwill and Intangible Assets | Goodwill and Intangible Assets Goodwill The change in the carrying value of goodwill for the three months ended March 31, 2023, categorized by reportable segments, 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 | 852 |  |  | 5,819 |  |  | 6,671 |
Balance as of March 31, 2023 | $ | 110,332 |  |  | $ | 303,890 |  |  | $ | 414,222 |
Intangible Long-Lived Assets Acquired intangible long-lived assets were as follows, excluding intangibles that were fully amortized (in thousands):
| Weighted Average Amortization Period (in years) |  | Gross Carrying Amount as of March 31, 2023 |  | Accumulated Amortization |  | Accumulated Impairment Loss |  | Net Carrying Value as of March 31, 2023
Existing technology | 10 |  | $ | 112,051 |  |  | $ | (36,486) |  |  | $ | (4,328) |  |  | $ | 71,237 |
Customer relationships | 10 |  | 21,500 |  |  | (6,450) |  |  | — |  |  | 15,050 |
Trademarks and tradenames | 10 |  | 17,200 |  |  | (6,901) |  |  | (4,122) |  |  | 6,177 |
Patents | 8 |  | 6,511 |  |  | (5,487) |  |  | — |  |  | 1,024 |
|  |  | $ | 157,262 |  |  | $ | (55,324) |  |  | $ | (8,450) |  |  | 93,488 |
Foreign currency translation adjustments |  |  |  |  |  |  |  |  | (168) |
Total intangible assets, net 1 |  |  |  |  |  |  |  |  | $ | 93,320 |
1 Also includes $33.5 million of fully amortized intangible assets related to customer relationships.
| Weighted Average Amortization Period (in years) |  | Gross Carrying Amount as of December 31, 2022 |  | Accumulated Amortization |  | Accumulated Impairment Loss |  | Net Carrying Value as of December 31, 2022
Existing technology | 10 |  | $ | 112,051 |  |  | $ | (33,537) |  |  | $ | (4,328) |  |  | $ | 74,186 |
Customer relationships | 10 |  | 21,500 |  |  | (5,913) |  |  | — |  |  | 15,587 |
Trademarks and tradenames | 10 |  | 17,200 |  |  | (6,442) |  |  | (4,122) |  |  | 6,636 |
Patents | 8 |  | 6,511 |  |  | (5,288) |  |  | — |  |  | 1,223 |
|  |  | $ | 157,262 |  |  | $ | (51,180) |  |  | $ | (8,450) |  |  | 97,632 |
Foreign currency translation adjustments |  |  |  |  |  |  |  |  | (1,912) |
Total intangible assets, net |  |  |  |  |  |  |  |  | $ | 95,720 |
The total estimated annual future amortization expense for these acquired intangible assets as of March 31, 2023 is as follows (in thousands):
Fiscal Year Ending December 31, |  | Amortization
Remainder of 2023 |  | $ | 12,357 |
2024 |  | 15,335 |
2025 |  | 14,959 |
2026 |  | 14,353 |
2027 |  | 11,992 |
Thereafter |  | 24,492 |
Total |  | $ | 93,488 |
Amortization expense for the three months ended March 31, 2023 and 2022 was $4.1 million and $4.3 million, respectively.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI https://asc.fasb.org/topic&trid=2144416 + Details
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