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v3.22.1

Goodwill and Long-lived Assets | 3 Months Ended
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Mar. 31, 2022
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, 2022, categorized by reportable segments, is as follows (in thousands):
| Clear Aligner |  | Systems and Services |  | Total
Balance as of December 31, 2021 | $ | 112,208 |  |  | $ | 306,339 |  |  | $ | 418,547 |
Foreign currency translation adjustments | (642) |  |  | (5,940) |  |  | (6,582) |
Balance as of March 31, 2022 | $ | 111,566 |  |  | $ | 300,399 |  |  | $ | 411,965 |
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, 2022 |  | Accumulated Amortization |  | Accumulated Impairment Loss |  | Net Carrying Value as of March 31, 2022
Existing technology | 10 |  | $ | 104,531 |  |  | $ | (25,068) |  |  | $ | (4,328) |  |  | $ | 75,135 |
Customer relationships | 11 |  | 55,000 |  |  | (26,894) |  |  | (10,751) |  |  | 17,355 |
Trademarks and tradenames | 10 |  | 17,200 |  |  | (5,006) |  |  | (4,179) |  |  | 8,015 |
Patents | 8 |  | 6,511 |  |  | (4,693) |  |  | — |  |  | 1,818 |
|  |  | $ | 183,242 |  |  | $ | (61,661) |  |  | $ | (19,258) |  |  | 102,323 |
Foreign currency translation adjustments |  |  |  |  |  |  |  |  | 1,176 |
Total intangible assets, net |  |  |  |  |  |  |  |  | $ | 103,499 |
| Weighted Average Amortization Period (in years) |  | Gross Carrying Amount as of December 31, 2021 |  | Accumulated Amortization |  | Accumulated Impairment Loss |  | Net Carrying Value as of December 31, 2021
Existing technology | 10 |  | $ | 104,531 |  |  | $ | (22,495) |  |  | $ | (4,328) |  |  | $ | 77,708 |
Customer relationships | 11 |  | 55,000 |  |  | (25,891) |  |  | (10,751) |  |  | 18,358 |
Trademarks and tradenames | 10 |  | 17,200 |  |  | (4,547) |  |  | (4,179) |  |  | 8,474 |
Patents | 8 |  | 6,511 |  |  | (4,495) |  |  | — |  |  | 2,016 |
|  |  | $ | 183,242 |  |  | $ | (57,428) |  |  | $ | (19,258) |  |  | 106,556 |
Foreign currency translation adjustments |  |  |  |  |  |  |  |  | 3,153 |
Total intangible assets, net |  |  |  |  |  |  |  |  | $ | 109,709 |
The total estimated annual future amortization expense for these acquired intangible assets as of March 31, 2022 is as follows (in thousands):
Fiscal Year Ending December 31, |  | Amortization
Remainder of 2022 |  | $ | 11,459 |
2023 |  | 14,997 |
2024 |  | 13,831 |
2025 |  | 13,455 |
2026 |  | 12,849 |
Thereafter |  | 35,732 |
Total |  | $ | 102,323 |
Amortization expense for the three months ended March 31, 2022 and 2021 was $4.3 million and $3.9 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 http://asc.fasb.org/topic&trid=2144416 + Details
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