Post-effective amendment to a registration statement that is not immediately effective upon filing

Convertible Preferred Stock, Common Stock and Stockholders' Equity (Deficit) - Additional Information (Detail)

v3.22.1
Convertible Preferred Stock, Common Stock and Stockholders' Equity (Deficit) - Additional Information (Detail) - $ / shares
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Schedule Of Convertible Preferred Stock [Line Items]    
Repurchase of common stock upon reverse recapitalization, Shares   826
Common Stock [Member]    
Schedule Of Convertible Preferred Stock [Line Items]    
Repurchase of common stock upon reverse recapitalization, Shares 4,499,998  
Common stock repurchase price per share $ 4.52  
Additional Stock repurchased during period shares 250,471  
Legacy Markforged Common Stock [Member]    
Schedule Of Convertible Preferred Stock [Line Items]    
Repurchase of common stock upon reverse recapitalization, Shares 4,499,998  
Common stock repurchase price per share $ 10.00  
Convertible Preferred Stock [Member]    
Schedule Of Convertible Preferred Stock [Line Items]    
Temporary Equity, Shares Outstanding 0