Quarterly report pursuant to Section 13 or 15(d)

Earnout - Additional Information (Details)

v3.21.2
Earnout - Additional Information (Details)
 9 Months Ended
Sep. 30, 2021
TradingDays
$ / shares
shares
Jul. 14, 2021
$ / shares
Dec. 31, 2020
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Earnout Period 5 years    
Earnout Shares | shares 185,697,959   39,510,108
Share Price | $ / shares $ 6.56 $ 8.97  
Eligible Markforged Equityholders [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Earnout Shares | shares 14,666,667    
Triggering Event I [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Earnout Shares | shares 8,000,000    
Common stock pro-rata distribution basis ratio 50    
Share Price | $ / shares $ 5.32 8.04  
Common stock convertible, stock price trigger | $ / shares $ 12.50    
Common stock convertible threshold trading days | TradingDays 20    
Common stock convertible threshold consecutive trading days | TradingDays 30    
Triggering Event II [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Earnout Shares | shares 6,666,667    
Common stock pro-rata distribution basis ratio 50    
Share Price | $ / shares $ 4.92 $ 7.66  
Common stock convertible, stock price trigger | $ / shares $ 15.00    
Common stock convertible threshold trading days | TradingDays 20    
Common stock convertible threshold consecutive trading days | TradingDays 30    
Common Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares surrendered under reverse recapitalization | shares 2,610,000