Summary of Significant Accounting Policies - Restricted Cash (Details)
|12 Months Ended|
Sep. 30, 2020
|Organization Consolidation And Presentation Of Financial Statements [Abstract]|
|Proceeds from sale of West Ranch||$ 16,524,000|
The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef