v3.25.1
Cover
Apr. 30, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Apr. 30, 2025
Entity Registrant Name WEX Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-32426
Entity Tax Identification Number 01-0526993
Entity Address, Address Line One 1 Hancock Street
Entity Address, City or Town Portland
Entity Address, State or Province ME
Entity Address, Postal Zip Code 04101
City Area Code (207)
Local Phone Number 733-8171
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.01 par value
Trading Symbol WEX
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Central Index Key 0001309108
Amendment Flag false