v3.26.1
Cover
Jun. 16, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jun. 16, 2026
Entity Registrant Name ZENTALIS PHARMACEUTICALS, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 001-39263
Entity Tax Identification Number 82-3607803
Entity Address, Address Line One 10275 Science Center Drive
Entity Address, Address Line Two Suite 200
Entity Address, City or Town San Diego
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92121
City Area Code 858
Local Phone Number 263-4333
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.001 par value per share
Trading Symbol ZNTL
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0001725160
Amendment Flag false
Entity Addresses [Line Items]  
Entity Address, Address Line One 10275 Science Center Drive
Entity Address, Address Line Two Suite 200
Entity Address, City or Town San Diego
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92121
City Area Code 858
Local Phone Number 263-4333