v3.19.3.a.u2
Cover
Dec. 10, 2019
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Dec. 10, 2019
Entity File Number 001-34063
Entity Registrant Name LendingTree, Inc.
Entity Central Index Key 0001434621
Entity Tax Identification Number 26-2414818
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 11115 Rushmore Drive
Entity Address, City or Town Charlotte
Entity Address, State or Province NC
Entity Address, Postal Zip Code 28277
City Area Code (704)
Local Phone Number 541-5351
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 per share
Trading Symbol TREE
Security Exchange Name NASDAQ
Entity Emerging Growth Company false