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Schedule of Goodwill and Other Intangible Assets (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
May 25, 2018
Finite-Lived Intangible Assets [Line Items]        
Goodwill $ 45,686 $ 53,630 $ 43,591 $ 495
Licenses 70,332 72,597    
Tradename 2,215 2,215    
Indefinite Intangible Assets, Net, Total 118,233 128,442    
Finite-Lived Intangible Assets, Net, Total 530 1,139    
Total goodwill and other intangible assets 118,763 129,581    
Discounted Leases [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Assets, Net, Total $ 93 $ 101    
Discounted Leases [Member] | Maximum [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life 18 years 18 years    
Discounted Leases [Member] | Minimum [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life 6 years 6 years    
Noncompete Agreements [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life 5 years 5 years    
Finite-Lived Intangible Assets, Net, Total $ 362 $ 565    
Software [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life 5 years 5 years    
Finite-Lived Intangible Assets, Net, Total $ 23 $ 315    
Distribution Agreement [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life 3 years 3 years    
Finite-Lived Intangible Assets, Net, Total $ 52 $ 158