XML 36 R59.htm IDEA: XBRL DOCUMENT v3.19.3
Leases - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Lessee, Lease, Description [Line Items]    
Operating Lease Term   7 years
Operating Lease, Lease Income $ 1.3  
Maximum    
Lessee, Lease, Description [Line Items]    
Renewal term   5 years
Operating lease, term of contract   8 years