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) - Evolv Technologies Holdings Inc [Member]
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
$ / shares
shares
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]  
Exchange Ratio 0.378
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 | $ / shares $ 10.00
Aggregate purchase price | $ $ 300.0