Balance Sheet Components - Schedule of Goodwill (Details) - USD ($)	3 Months Ended		12 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Goodwill, beginning balance		$ 51,152,000	$ 0	$ 51,152,000
Goodwill addition related to Velodyne Merger				115,523,000
Goodwill impairment charges	$ (67,300,000)	$ (99,400,000)	$ 0	(166,675,000)
Goodwill, ending balance				$ 0