Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Goodwill by Reportable Segment

The change in the carrying value of goodwill for the nine months ended September 30, 2025, categorized by reportable segment, is as follows (in thousands):

	Clear Aligner		Systems and Services		Total
Balance as of December 31, 2024	$	152,645	$	289,985	$	442,630
Foreign currency translation adjustments	11,547		37,339		48,886
Balance as of September 30, 2025	$	164,192	$	327,324	$	491,516

Schedule of Amortized Intangible Assets

Acquired finite-lived intangible assets, excluding intangibles that were fully amortized, are as follows (in thousands): 

	Weighted Average Amortization Period (in years)	Gross Carrying Amount as of September 30, 2025		Accumulated Amortization		Accumulated Impairment Loss		Net Carrying Value as of September 30, 2025
Existing technology	11	$	146,651	$	(63,426)	$	—	$	83,225
Customer relationships	10	21,500		(11,825)		—		9,675
Trademarks and tradenames1	7	9,800		(7,700)		—		2,100
Patents	12	480		(310)		—		170
		$	178,431	$	(83,261)	$	—	95,170
Foreign currency translation adjustments								3,546
Total intangible assets, net								$	98,716

1 The Weighted Average Amortization Period decreased from 10 years to 7 years due to an intangible asset with a useful life of 15 years becoming fully amortized during the first quarter of 2025.

	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

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The total estimated future amortization expense for these acquired finite-lived intangible assets as of September 30, 2025 is as follows (in thousands):

Fiscal Year Ending December 31,	Amortization
Remainder of 2025	$	4,610
2026	17,923
2027	15,607
2028	14,505
2029	14,505
2030	6,328
Thereafter	21,692
Total	$	95,170