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Stock-based Compensation - Narrative (Details)
$ in Millions
1 Months Ended 3 Months Ended
May 31, 2023
shares
Mar. 31, 2024
USD ($)
plan
Mar. 31, 2023
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of equity incentive plans | plan   5  
Unamortized stock-based compensation expense of option   $ 3.0  
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unamortized stock-based compensation expense, period for recognition   4 months 24 days  
RSU, RSA and Performance-Based Awards | Velodyne      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based payment arrangement, accelerated cost     $ 2.4
Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unamortized stock-based compensation expense, period for recognition   1 year 10 months 24 days  
Share-based payment arrangement, cost not yet recognized, RSU   $ 31.0  
Restricted Stock Units | Velodyne      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based payment arrangement, accelerated cost     $ 6.1
RSAs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unamortized stock-based compensation expense, period for recognition   1 year 4 months 24 days  
Share-based payment arrangement, cost not yet recognized, RSU   $ 6.7  
2022 ESPP      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Contribution limit in percentage of employee's eligible compensation   15.00%  
Employee stock purchase plan, offering period   24 months  
Employee stock purchase plan, purchase period   6 months  
Purchase price of common stock in percentage   85.00%  
Shares of the company common stock per offering period (in shares) | shares 3,000