Annual report [Section 13 and 15(d), not S-K Item 405]

Document and Entity Information

v3.25.1
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Feb. 26, 2025
Jun. 30, 2024
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Securities Act File Number 001-38191    
Entity Registrant Name MUSTANG BIO, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 47-3828760    
Entity Address, Address Line One 95 Sawyer Road, Suite 110    
Entity Address, City or Town Waltham    
Entity Address, State or Province MA    
Entity Address, Postal Zip Code 02453    
City Area Code 781    
Local Phone Number 652-4500    
Title of 12(b) Security Common Stock, par value $0.0001 per share    
Trading Symbol MBIO    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 14.8
Auditor Name KPMG LLP    
Auditor Location New York, NY    
Auditor Firm ID 185    
Entity Central Index Key 0001680048    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Amendment Flag false    
Class A common shares      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   845,385  
Common shares      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   2,460,240