Document and Entity Information	12 Months Ended
	Dec. 31, 2014
Document And Entity Information [Abstract]
Document Type	S-4
Amendment Flag	false
Document Period End Date	Dec. 31, 2014
Trading Symbol	ENVA
Entity Registrant Name	Enova International, Inc.
Entity Central Index Key	0001529864
Entity Filer Category	Non-accelerated Filer