Evolv Technologies Holdings, Inc. Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Schedule of performance obligations (Details) $ in Thousands	Sep. 30, 2022 USD ($)
Disaggregation of Revenue [Line Items]
Total revenue	$ 109,407
Less than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	35,830
Greater than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	73,577
Product revenue
Disaggregation of Revenue [Line Items]
Total revenue	4,087
Product revenue \| Less than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	4,087
Product revenue \| Greater than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	0
Subscription revenue
Disaggregation of Revenue [Line Items]
Total revenue	72,617
Subscription revenue \| Less than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	22,682
Subscription revenue \| Greater than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	49,935
Service revenue
Disaggregation of Revenue [Line Items]
Total revenue	32,703
Service revenue \| Less than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	9,061
Service revenue \| Greater than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	$ 23,642