Stock-based Compensation - Schedule of Stock-based Compensation Expense by Function (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 10,469	$ 32,836	$ 9,192	$ 115,792
Equity-settled fixed value
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	1,067	3,552	4,406	11,466
Freedom Photonics
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	(1,683)	563	(567)	2,650
Other
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	0	225	(1,289)	2,507
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	0	69	0	437
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	10,434	21,377	32,763	78,356
Management awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	564	5,814	(26,469)	17,229
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	61	168	381	667
Stock-based compensation related to restructuring
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	26	1,068	(33)	2,480
Cost of sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	607	1,204	3,259	4,897
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	4,300	10,862	15,429	41,724
Sales and marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	967	4,171	4,242	12,951
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	4,569	15,531	(13,705)	53,740
Stock-based compensation related to restructuring
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 26	$ 1,068	$ (33)	$ 2,480