Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.20.2
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2020
Aug. 09, 2020
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Jun. 30, 2020  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31  
Entity File Number 001-38191  
Entity Registrant Name MUSTANG BIO, INC.  
Entity Central Index Key 0001680048  
Amendment Flag false  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 47-3828760  
Entity Address, Address Line One 377 Plantation Street  
Entity Address, City or Town Worcester  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 01605  
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 Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Shell Company false  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Entity Small Business true  
Entity Interactive Data Current Yes  
Class A Common Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   845,385
Common Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   55,728,325