v3.23.1
Document and Entity Information
Jun. 02, 2023
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001666134
Document Type 8-K
Document Period End Date Jun. 02, 2023
Entity Registrant Name BLACKLINE, INC.
Entity Incorporation State Country Code DE
Entity File Number 001-37924
Entity Tax Identification Number 46-3354276
Entity Address, Address Line One 21300 Victory Boulevard
Entity Address, Address Line Two 12th Floor
Entity Address, City or Town Woodland Hills
Entity Address, State or Province CA
Entity Address, Postal Zip Code 91367
City Area Code (818)
Local Phone Number 223-9008
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $0.01, par value
Trading Symbol BL
Security Exchange Name NASDAQ
Entity Emerging Growth Company false