Annual report pursuant to Section 13 and 15(d)

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

v3.22.4
Convertible Preferred Stock, Common Stock and Stockholders' Equity Deficit - Additional Information (Detail) - $ / shares
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Common Stock [Member]    
Schedule Of Convertible Preferred Stock [Line Items]    
Stock repurchased during period shares 4,499,998  
Additional Stock repurchased during period shares   250,471
Fair value per share   $ 4.52
Legacy Markforged Common Stock [Member]    
Schedule Of Convertible Preferred Stock [Line Items]    
Stock repurchased during period shares 4,499,998  
Common stock repurchase price per share $ 10.00