Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Jul. 29, 2022
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2022
Entity File Number	001-40294
Entity Registrant Name	Alfi, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	30-1107078
Entity Address State Or Province	FL
Entity Address, Address Line One	429 Lenox Avenue
Entity Address, City or Town	Miami Beach
Entity Address, Postal Zip Code	33139
City Area Code	(305)
Local Phone Number	395-4520
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		16,094,882
Entity Central Index Key	0001833908
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Amendment Flag	false
Warrants
Document Information [Line Items]
Title of 12(b) Security	Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $4.57
Trading Symbol	ALFIW
Security Exchange Name	NASDAQ
Common Stock
Document Information [Line Items]
Title of 12(b) Security	Common stock, par value $0.0001 per share
Trading Symbol	ALF
Security Exchange Name	NASDAQ