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Goodwill and Intangible Assets (Tables)
 12 Months Ended
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 AlignerSystems and ServicesTotal
Balance as of December 31, 2022
$109,480 $298,071 $407,551 
Foreign currency translation adjustments1,606 10,373 11,979 
Balance as of December 31, 2023
111,086 308,444 419,530 
Additions from acquisition47,576 — 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 technology11$146,651 $(52,238)$— $94,413 
Customer relationships1021,500 (10,079)— 11,421 
Trademarks and tradenames1016,600 (9,255)(4,122)3,223 
Patents 12480 (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 technology10$112,051 $(45,331)$(4,328)$62,392 
Customer relationships1021,500 (8,063)— 13,437 
Trademarks and tradenames1016,600 (7,605)(4,122)4,873 
Patents86,511 (6,082)— 429 
$156,662 $(67,081)$(8,450)81,131 
Foreign currency translation adjustments987 
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 YearAmortization
2025$18,651 
202617,969 
202715,607 
202814,505 
202914,505 
Thereafter28,020 
Total amortization
$109,257