Document and Entity Information - shares	3 Months Ended
	Sep. 30, 2020	Nov. 09, 2020
Document Type	10-Q
Transition Report	true
Document Period End Date	Sep. 30, 2020
Entity Registrant Name	Ribbit LEAP, Ltd.
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	true
Entity Central Index Key	0001818346
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Amendment Flag	false
Units and one-fifth warrant to acquire one Class A ordinary share
Title of 12(b) Security	Units, each consisting of one Class A ordinary share, par value $0.0001 per share, and one-fifth of one Warrant to acquire one Class A ordinary share
Trading Symbol	LEAP.U
Security Exchange Name	NYSE
Class A ordinary shares
Title of 12(b) Security	Class A ordinary shares, par value $0.0001 per share
Trading Symbol	LEAP
Security Exchange Name	NYSE
Entity Common Stock, Shares Outstanding		41,255,000
Redeemable warrants
Title of 12(b) Security	Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50
Trading Symbol	LEAP.WS
Security Exchange Name	NYSE
Class B ordinary shares
Entity Common Stock, Shares Outstanding		4,472,222
Class L ordinary shares
Entity Common Stock, Shares Outstanding		12,777,778