Annual report pursuant to Section 13 and 15(d)

Intangibles - Additional Information (Details)

v3.19.3.a.u2
Intangibles - Additional Information (Details) - USD ($)
 12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Finite Lived Intangible Assets [Line Items]    
Intangible amortization expense $ 1,569,000 $ 1,401,000
Impairment charge of lease intangibles $ 3,222,000 0
Domain Name and Marketing | Minimum    
Finite Lived Intangible Assets [Line Items]    
Useful lives of intangible assets 3 years  
Domain Name and Marketing | Maximum    
Finite Lived Intangible Assets [Line Items]    
Useful lives of intangible assets 20 years  
Software | Minimum    
Finite Lived Intangible Assets [Line Items]    
Useful lives of intangible assets 3 years  
Software | Maximum    
Finite Lived Intangible Assets [Line Items]    
Useful lives of intangible assets 5 years  
Customer Relationships | Minimum    
Finite Lived Intangible Assets [Line Items]    
Useful lives of intangible assets 7 years  
Customer Relationships | Maximum    
Finite Lived Intangible Assets [Line Items]    
Useful lives of intangible assets 15 years  
Leases    
Finite Lived Intangible Assets [Line Items]    
Useful lives of intangible assets over the life of the lease  
Customer Lists    
Finite Lived Intangible Assets [Line Items]    
Useful lives of intangible assets 20 years  
Trade Names    
Finite Lived Intangible Assets [Line Items]    
Useful lives of intangible assets 20 years  
Trade Names | ApplianceSmart Inc    
Finite Lived Intangible Assets [Line Items]    
Impairment charge of lease intangibles $ 1,839,000  
Customer Lists and Trade Names Intangible Asset [Member] | ApplianceSmart Inc    
Finite Lived Intangible Assets [Line Items]    
Impairment charge of lease intangibles $ 3,222,000 $ 0