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

Summary of Significant Accounting Policies - Additional Information (Detail)

v3.22.1
Summary of Significant Accounting Policies - Additional Information (Detail)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2021
USD ($)
Customer
$ / shares
shares
Dec. 31, 2020
USD ($)
Customer
Jan. 01, 2022
USD ($)
Summary Of Significant Accounting Policies [Line Items]      
Selling, General and Administrative Expense | $ $ 6,000 $ 3,000  
Divident Declared | $ $ 0    
Subsequent Event [Member] | Minimum [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Right-of-Use Asset | $     $ 10,000
Subsequent Event [Member] | Maximum [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Right-of-Use Asset | $     $ 15,000
AONE [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Number of Securities Called by Each Warrant 1    
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares $ 11.50    
Public Warrants [Member] | AONE [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Class of Warrant or Right, Outstanding 5,374,984    
Private Placement [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Number of Warrants Exercised 0    
Private Placement [Member] | AONE [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Class of Warrant or Right, Outstanding 3,150,000    
Sponsor Earnout Shares [Member] | AONE [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Shares Surrendered Under Reverse Recapitalization 2,610,000    
Markforged Earnout Shares [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Additional Merger Consideration Shares 14,666,667    
Accounts Receivable [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Number of customer | Customer 0  
Revenue Benchmark [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Number of customer | Customer 0 0  
Customer Concentration Risk | Accounts Receivable [Member] | Cash and Cash Equivalents      
Summary Of Significant Accounting Policies [Line Items]      
Concentration Risk, Percentage 10.00% 10.00%  
Customer Concentration Risk | Revenue Benchmark [Member] | Cash and Cash Equivalents      
Summary Of Significant Accounting Policies [Line Items]      
Concentration Risk, Percentage 10.00% 10.00%  
Valuation Technique, Discounted Cash Flow [Member] | Level 2      
Summary Of Significant Accounting Policies [Line Items]      
Debt Instrument, Fair Value Disclosure | $   $ 4,700