Document and Entity Information - USD ($)	4 Months Ended
	Dec. 31, 2019	Mar. 23, 2020
Document and Entity Information [Abstarct]
Entity Registrant Name	GreenVision Acquisition Corp.
Entity Central Index Key	0001788841
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Type	10-K
Document Period End Date	Dec. 31, 2019
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2019
Entity Current Reporting Status	No
Entity Filer Category	Non-accelerated Filer
Entity Well Known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Common Stock, Shares Outstanding		7,187,500
Entity Public Float	$ 56,522,500
Entity File Number	33-234282
Entity Interactive Data Current	No
Entity Incorporation State Country Code	DE