Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Components of Property and Equipment (Details)

v3.20.1
Property and Equipment - Components of Property and Equipment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 17,798 $ 16,919
Less: Accumulated depreciation (5,013) (4,486)
Property and equipment, net 12,785 12,433
Computer Equipment [Member] | Fortress Biotech Inc [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 663 648
Useful Life (Years) 3 years  
Furniture and Fixtures [Member] | Fortress Biotech Inc [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 1,199 1,162
Useful Life (Years) 5 years  
Machinery and Equipment [Member] | Fortress Biotech Inc [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 4,644 4,594
Useful Life (Years) 5 years  
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 10,580 9,358
Leasehold Improvements [Member] | Maximum    
Property, Plant and Equipment [Line Items]    
Useful Life (Years) 15 years  
Leasehold Improvements [Member] | Minimum    
Property, Plant and Equipment [Line Items]    
Useful Life (Years) 5 years  
Construction in progress [Member] | Fortress Biotech Inc [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment [1] $ 712 $ 1,157
[1] Relates to the Mustang cell processing facility.