Document and Entity Information - USD ($)	8 Months Ended
	Dec. 31, 2019	Mar. 10, 2020	Jun. 30, 2019
Entity Registrant Name	Netfin Acquisition Corp.
Entity Central Index Key	0001776903
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Type	10-K
Document Period End Date	Dec. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Shell Company	true
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Public Float			$ 258,510,950
Entity File Number	001-39008
Entity Interactive Data Current	Yes
Entity Incorporation, State or Country Code	E9
Class A ordinary shares
Entity Common Stock, Shares Outstanding		25,981,000
Class B ordinary shares
Entity Common Stock, Shares Outstanding		6,325,000