Financial Statement Components - Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Jun. 30, 2024
Goodwill [Roll Forward]
Beginning balance	$ 18,816
Impairment of goodwill related to Freedom Photonics	(12,489)
Ending balance	7,390
Balance as of June 30, 2024	7,390	$ 7,390
Seagate
Goodwill [Roll Forward]
Goodwill related to acquisition of Seagate’s lidar business	1,063
Autonomy Solutions
Goodwill [Roll Forward]
Beginning balance	687
Impairment of goodwill related to Freedom Photonics	0
Ending balance	1,750
Balance as of June 30, 2024	1,750	1,750
Autonomy Solutions | Seagate
Goodwill [Roll Forward]
Goodwill related to acquisition of Seagate’s lidar business	1,063
ATS
Goodwill [Roll Forward]
Beginning balance	18,129
Impairment of goodwill related to Freedom Photonics	(12,489)
Ending balance	5,640
Balance as of June 30, 2024	5,640	$ 5,640
ATS | Seagate
Goodwill [Roll Forward]
Goodwill related to acquisition of Seagate’s lidar business	$ 0