Sep. 19, 2023
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 19, 2023
Entity File Number 001-41571
Entity Registrant Name MariaDB plc
Entity Central Index Key 0001929589
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code L2
Entity Address, Address Line One 699 Veterans Blvd
Entity Address, City or Town Redwood City
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94063
City Area Code 855
Local Phone Number 562-7423
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Ordinary Shares, nominal value $0.01 per share
Trading Symbol MRDB
Security Exchange Name NYSE
Warrant [Member]  
Document Information [Line Items]  
Title of 12(b) Security Warrants, each whole warrant exercisable for one Ordinary Share at an exercise price of $11.50 per share
Trading Symbol MRDBW
Security Exchange Name NYSE