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

Summary of Significant Accounting Policies - Revenue recognition (Details)

v3.21.2
Summary of Significant Accounting Policies - Revenue recognition (Details) - Evolv Technologies Holdings Inc [Member] - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Lease term 4 years 4 years
Contingent lease payments $ 0 $ 0
Term of payments after the shipment or delivery of the product 30 days 30 days