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

Nature of the Business and Basis of Presentation - Proposed Merger and Subscription Agreement (Details)

v3.21.2
Nature of the Business and Basis of Presentation - Proposed Merger and Subscription Agreement (Details)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2021
Jun. 30, 2021
USD ($)
$ / shares
shares
Aug. 31, 2021
$ / shares
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]      
Purchase price of share     $ 11.50
Evolv Technologies Holdings, Inc.      
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]      
Exchange Ratio 0.382 0.378  
Evolv Technologies Holdings, Inc. | Subscription Agreements      
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]      
Number of shares agreed to sell | shares   30,000,000  
Purchase price of share   $ 10.00  
Aggregate purchase price | $   $ 300.0