v3.19.1

Document and Entity Information - shares	3 Months Ended
Document and Entity Information - shares	Mar. 31, 2019	May 10, 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	Regalwood Global Energy Ltd.
Entity Central Index Key	0001717961
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Trading Symbol	RWGE
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Small Business	true
Class A Ordinary Shares [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		30,000,000
Class B Ordinary Shares [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		7,500,000

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Regalwood Global Energy Ltd. 10-Q