v3.26.1
Cover
May 18, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date May 18, 2026
Entity File Number 001-40592
Entity Registrant Name RAPID MICRO BIOSYSTEMS, INC.
Entity Central Index Key 0001380106
Entity Tax Identification Number 20-8121647
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 25 Hartwell Avenue
Entity Address, City or Town Lexington
Entity Address, State or Province MA
Entity Address, Postal Zip Code 02421
City Area Code 978
Local Phone Number 349-3200
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Class A Common Stock, $0.01 par value per share
Trading Symbol RPID
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false