Financial Statement Components - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Inventory write-downs	$ 900		$ 8,000	$ 17,806	$ 13,432
Depreciation and amortization	5,400		3,500	12,500	5,400
Restructuring and related cost, accelerated depreciation	1,300			3,400
Amortization expense	1,000		1,100	2,000	2,200	$ 4,323
Estimated contract losses	10,200		$ 4,800	12,500	$ 7,600
IPR&D
Finite-Lived Intangible Assets [Line Items]
Impairment charges		$ 3,000
Freedom Photonics
Finite-Lived Intangible Assets [Line Items]
Impairment charges		$ 12,500				12,500
Freedom Photonics | ATS
Finite-Lived Intangible Assets [Line Items]
Cumulative goodwill impairment charge	12,500			12,500
Freedom Photonics | Autonomy Solutions
Finite-Lived Intangible Assets [Line Items]
Cumulative goodwill impairment charge	$ 0			$ 0
Freedom Photonics | IPR&D
Finite-Lived Intangible Assets [Line Items]
Impairment charges						$ 3,000