v3.26.1
Document and Entity Information
Jul. 02, 2026
Document And Entity Information [Line Items]  
Entity Registrant Name LIVEPERSON INC
Amendment Flag false
Entity Central Index Key 0001102993
Document Type 8-K
Document Period End Date Jul. 02, 2026
Entity Incorporation State Country Code DE
Entity File Number 001-41926
Entity Tax Identification Number 13-3861628
Entity Address, Address Line One 530 7th Ave
Entity Address, Address Line Two Floor M1
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10018
City Area Code (212)
Local Phone Number 609-4200
Written Communications true
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common Stock, par value $0.001 per share
Trading Symbol LPSN
Security Exchange Name NASDAQ
Series A Preferred Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Rights to Purchase Series A Junior Participating Preferred Stock
Security Exchange Name NASDAQ