Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2019	May 14, 2019
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Entity Registrant Name	Pivotal Acquisition Corp
Entity Central Index Key	0001752474
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Trading Symbol	PVT
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Small Business	true
Class A Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		23,000,000
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		5,750,000