XML 22 R1.htm IDEA: XBRL DOCUMENT v3.24.0.1
COVER - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Feb. 23, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-34063    
Entity Registrant Name LendingTree, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 26-2414818    
Entity Address, Address Line One 1415 Vantage Park Dr.    
Entity Address, Address Line Two Suite 700    
Entity Address, City or Town Charlotte    
Entity Address, State or Province NC    
Entity Address, Postal Zip Code 28203    
City Area Code 704    
Local Phone Number 541-5351    
Title of 12(b) Security Common Stock, $0.01 par value per share    
Trading Symbol TREE    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 238
Entity Common Stock, Shares Outstanding   13,042,789  
Documents Incorporated by Reference
Portions of the Registrant's proxy statement for its 2024 Annual Meeting of Stockholders are incorporated by reference into Part III herein. Such proxy statement will be filed with the U.S. Securities and Exchange Commission within 120 days of the Registrant's fiscal year ended December 31, 2023.
    
Entity Central Index Key 0001434621    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Amendment Flag false