Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Contingently Issuable Common Stock (Details)

v3.21.2
Summary of Significant Accounting Policies - Contingently Issuable Common Stock (Details)
 9 Months Ended
Sep. 30, 2021
D
$ / shares
shares
Dec. 31, 2020
$ / shares
Business Acquisition, Contingent Consideration [Line Items]    
Number of shares issued for each share 0.378  
Par value common stock | $ / shares $ 0.0001 $ 0.0001
Vesting Provision II    
Business Acquisition, Contingent Consideration [Line Items]    
Number of trading days | D 20  
Number of consecutive trading days | D 30  
Vesting Provision II | Minimum    
Business Acquisition, Contingent Consideration [Line Items]    
Share price | $ / shares $ 12.50  
Vesting Provision II | Maximum    
Business Acquisition, Contingent Consideration [Line Items]    
Vesting period 5 years  
Vesting Provision III    
Business Acquisition, Contingent Consideration [Line Items]    
Vesting period 5 years  
Number of trading days | D 20  
Number of consecutive trading days | D 30  
Vesting Provision III | Minimum    
Business Acquisition, Contingent Consideration [Line Items]    
Share price | $ / shares $ 15.00  
Common Class B | Vesting Provision I    
Business Acquisition, Contingent Consideration [Line Items]    
Shares vested 1,897,500  
Common Class B | Vesting Provision II    
Business Acquisition, Contingent Consideration [Line Items]    
Shares vested 948,750  
Common Class B | Vesting Provision III    
Business Acquisition, Contingent Consideration [Line Items]    
Shares vested 948,750  
Give Evolv LLC    
Business Acquisition, Contingent Consideration [Line Items]    
Remaining number of founder shares 517,500  
NHIC Sub Inc    
Business Acquisition, Contingent Consideration [Line Items]    
Shares outstanding 4,312,500  
Par value common stock | $ / shares $ 0.0001