Commitments and Contingencies (Details) $ in Thousands						1 Months Ended	12 Months Ended
	Sep. 15, 2025 USD ($)	Jan. 17, 2025 respondent	Aug. 19, 2024 USD ($)	Apr. 19, 2024 USD ($)	Aug. 22, 2023 respondent	Jun. 30, 2024 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2024 USD ($)	Apr. 01, 2024 patent	Mar. 28, 2024 patent	Mar. 19, 2024 patent	Aug. 25, 2023 director entity	Mar. 19, 2021 entity director
Loss Contingencies [Line Items]
Outstanding letter of credit							$ 1,400		$ 1,400
Settlement amount awarded to other party	$ 6,400
Insurance receivable							0		$ 2,000
Settled Litigation
Loss Contingencies [Line Items]
Respondents dismissed | respondent		3			2
Nick v. Velodyne Lidar, Inc., et al.
Loss Contingencies [Line Items]
Number of directors filed against | director														2
Number of other entities filed against in lawsuits | entity														3
Moradpour v. Velodyne Lidar, Inc., et al.
Loss Contingencies [Line Items]
Settlement amount awarded to other party				$ 27,500
Estimated funds from insurance proceeds				$ 23,400
Litigation liability accrued								$ 27,500
Insurance receivable								23,400
Settlement expense						$ 4,100		$ 4,100
Payments for legal settlements						$ 4,100
Insurance settlements receivable			$ 23,400
Loss contingency accrual, period increase (decrease)			$ 23,400
Berger v. Graf Acquisition, LLC, et al.
Loss Contingencies [Line Items]
Number of directors filed against | director													6
Number of other entities filed against in lawsuits | entity													2
Hesai Photonic vs. Velodyne Legacy
Loss Contingencies [Line Items]
Litigation liability accrued							1,100
Third Party Contract Manufacturer
Loss Contingencies [Line Items]
Non-cancelable purchase commitments							19,200
Other Vendors
Loss Contingencies [Line Items]
Non-cancelable purchase commitments							$ 11,300
Hesai Photonics
Loss Contingencies [Line Items]
Number of patents under review | patent										4	4	4