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

Revenue Recognition - Schedule of performance obligations (Details) $ in Thousands	Mar. 31, 2023 USD ($)
Disaggregation of Revenue [Line Items]
Total revenue	$ 161,813
Less than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	53,024
Greater than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	108,789
Product revenue
Disaggregation of Revenue [Line Items]
Total revenue	5,435
Product revenue \| Less than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	5,435
Product revenue \| Greater than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	0
Subscription revenue
Disaggregation of Revenue [Line Items]
Total revenue	99,072
Subscription revenue \| Less than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	31,659
Subscription revenue \| Greater than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	67,413
Service revenue
Disaggregation of Revenue [Line Items]
Total revenue	57,306
Service revenue \| Less than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	15,930
Service revenue \| Greater than 1 year
Disaggregation of Revenue [Line Items]
Total revenue	$ 41,376