Quarterly report [Sections 13 or 15(d)]

Stock-based Compensation - Additional Information (Details)

v3.26.1
Stock-based Compensation - Additional Information (Details)
$ / shares in Units, $ in Millions
 1 Months Ended 6 Months Ended 12 Months Ended
Jan. 01, 2026
shares
Aug. 10, 2021
Nov. 30, 2016
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
$ / shares
shares
Mar. 06, 2026
Jul. 28, 2025
goal
Feb. 04, 2025
Feb. 12, 2024
installment
Feb. 12, 2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Maximum earned percentage             2        
Minimum earned percentage             0        
Unvested restricted stock awards                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Fair value | $       $ 69.0 $ 46.0            
Maximum earned percentage               2      
Minimum earned percentage               0      
Target earned percentage               1      
RSU stock awards share conversion ratio               2      
Number of performance goals | goal               6      
Performance Shares                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Restricted stock unit, conversion ratio                 1.25 1.25  
Maximum earned percentage                 1.25   1.25
Minimum earned percentage                 0.50   0.45
Target earned percentage                 1   1
Number of award installments | installment                   3  
Employee Stock                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Purchase price of common stock expressed as a percentage of its fair value   85.00%                  
Options to purchase common stock                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Repurchase price per share (in dollars per share) | $ / shares       $ 0.04   $ 0.04          
Options to purchase common stock | Maximum                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Number of shares to be repurchased (in shares)       533,278   708,731          
Other non-current liabilities | $       $ 0.0   $ 0.0          
Other Stock Based Awards | Maximum                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Shares subject to vesting conditions (in shares)       445,997   668,384          
Other Stock Based Awards | Legacy Joby Preferred Stock                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Payments for advisory services shares (in shares)       2,677,200              
2016 Stock Option and Grant Plan | Incentive Stock Options                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Contractual term of options     10 years                
Shares vesting period       6 years              
Award cliff off period       1 year              
2016 Stock Option and Grant Plan | Unvested restricted stock awards                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Shares vesting period       6 years              
2016 Stock Option and Grant Plan | Grantee Owns Ten Percent of Voting Rights | Incentive Stock Options                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Contractual term of options       5 years              
Percentage of shareholding by grantee       0.10              
Percentage of stockholders on exercise price of option granted       0.10              
Purchase price of common stock expressed as a percentage of its fair value       110.00%              
2021 Equity Incentive Plan                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Percentage of share outstanding   4.00%                  
Additional shares authorized (in shares) 36,603,068                    
Yearly percentage increase in ESPP shares available for issuance   0.50%                  
2021 Equity Incentive Plan | Incentive Stock Options                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Shares vesting period       6 years              
2021 Equity Incentive Plan | Employee Stock                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Additional shares authorized (in shares) 4,575,383                    
2021 Equity Incentive Plan | New Hires | Unvested restricted stock awards                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Shares vesting period       4 years              
2021 Equity Incentive Plan | Existing Employees | Unvested restricted stock awards                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Shares vesting period       3 years