Revenue - Changes in Contract Liability (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Contract Liabilities
Contract liability, beginning balance	$ 17,852	$ 744
Net revenue deferred in the period	21,031	9,126
Revenue recognized that was included in the contract liability balance at the beginning of the period	(1,994)	(402)
Contract liabilities acquired in the Velodyne Merger		8,384
Contract liability, ending balance	$ 36,889	$ 17,852