Stock-based Compensation - Schedule of Stock-based Compensation Expense by Function (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ (20,657)	$ 38,491	$ (1,277)	$ 82,956
Equity-settled fixed value
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	1,411	3,901	3,339	7,914
Freedom Photonics
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	561	(127)	1,116	2,087
Other
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	0	1,725	(1,289)	2,282
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	0	106	0	368
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	9,844	25,640	22,329	56,979
Management awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	(32,579)	5,699	(27,033)	11,415
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	117	135	320	499
Stock-based compensation related to restructuring
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	(11)	1,412	(59)	1,412
Cost of sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	1,361	298	2,652	3,693
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	4,792	16,378	11,129	30,862
Sales and marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	2,109	3,557	3,275	8,780
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	(28,908)	16,846	(18,274)	38,209
Stock-based compensation related to restructuring
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ (11)	$ 1,412	$ (59)	$ 1,412