v3.22.2.2
Document And Entity Information
Nov. 03, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 03, 2022
Entity Registrant Name Kezar Life Sciences, Inc.
Entity Central Index Key 0001645666
Entity Emerging Growth Company true
Securities Act File Number 001-38542
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 47-3366145
Entity Address, Address Line One 4000 Shoreline Court, Suite 300
Entity Address, City or Town South San Francisco
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94080
City Area Code 650
Local Phone Number 822-5600
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Ex Transition Period true
Title of 12(b) Security Common Stock, $0.001 par value
Trading Symbol KZR
Security Exchange Name NASDAQ