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

Subsequent Events (Details)

v3.21.2
Subsequent Events (Details) - Evolv Technologies Holdings Inc [Member] - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Mar. 05, 2021
Jan. 21, 2021
Jun. 30, 2021
Dec. 31, 2020
Subsequent Events        
Principal amount of promissory notes issued       $ 350
Plan of merger with NHIC and Merger Sub | Subsequent events        
Subsequent Events        
Shares considered for exchange ratio 125,000,000      
Maximum number of earnout shares entitled to receive 15,000,000      
Period considered for closing share price 5 years      
Number of trading days considered for calculating the share price 20 days      
Threshold number of consecutive trading days taken for share price 30 days      
Amended Merger Agreement | 2021 Incentive Plan | Subsequent events        
Subsequent Events        
Percentage on number of shares for initial aggregate share reserve     9.53%  
Amended Merger Agreement | 2021 Employee Stock Purchase Plan | Subsequent events        
Subsequent Events        
Percentage on number of shares for initial aggregate share reserve     1.50%  
Stock Repurchase Agreement | Subsequent events        
Subsequent Events        
Number of shares of common stock agreed to repurchase     115,565  
Principal amount of promissory notes issued     $ 400  
2021 Convertible Notes | Subsequent events        
Subsequent Events        
Gross proceeds   $ 30,000    
Number of shares issued upon conversion of debt     1,000,000  
Amount of notes convertible into shares   $ 100,000    
Conversion price as a percentage on price per share   80.00%