General form of registration statement for all companies including face-amount certificate companies

Subsequent Events - Additional Information (Detail)

v3.21.2
Subsequent Events - Additional Information (Detail)
$ / shares in Units, $ in Millions
Jul. 14, 2021
USD ($)
$ / shares
shares
Feb. 23, 2021
USD ($)
$ / shares
Jun. 30, 2021
$ / shares
Dec. 31, 2020
$ / shares
Dec. 31, 2019
$ / shares
Subsequent Event [Line Items]          
Stock purchased from the employees | shares 45,000,000.0        
Common Stock, Par or Stated Value Per Share | $ / shares     $ 0.00001 $ 0.00001 $ 0.00001
Proceeds from Sale of Restricted Investments $ 150.9        
Class A Ordinary Shares [Member] | AONE IPO [Member]          
Subsequent Event [Line Items]          
Number of Shares Issued in Transaction | shares 6,418,667        
Temporary Equity, Redemption Price Per Share | $ / shares $ 10.005        
Aggregate Amount of Redemption Requirement $ 64.2        
Markforged Common Stock [Member]          
Subsequent Event [Line Items]          
Stockholders' Equity Note,Conversion Ratio 1        
Common Stock, Par or Stated Value Per Share | $ / shares $ 0.0001        
Subsequent Event [Member] | AONE [Member]          
Subsequent Event [Line Items]          
Business combination, Consideration transferred   $ 215.0      
Business combination, Equity interest issued   $ 210.0      
Business acquisition, Share price | $ / shares   $ 10.00      
Subsequent Event [Member] | Markforged [Member]          
Subsequent Event [Line Items]          
Payments to acquire business   $ 45.0