Cover
Jan. 31, 2023
Entity Addresses [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jan. 31, 2023
Entity File Number 001-38586
Entity Registrant Name RUBIUS THERAPEUTICS, INC.
Entity Central Index Key 0001709401
Entity Tax Identification Number 46-2688109
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One c/o Verdolino & Lowey, P.C.
Entity Address, Address Line Two 124 Washington Street, Suite 101
Entity Address, City or Town Foxboro
Entity Address, State or Province MA
Entity Address, Postal Zip Code 02035
City Area Code 508
Local Phone Number 543-1720
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.001 per share
Trading Symbol RUBY
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Former Address [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One 399 Binney Street
Entity Address, Address Line Two Suite 300
Entity Address, City or Town Cambridge
Entity Address, State or Province MA
Entity Address, Postal Zip Code 02139