XML 67 R52.htm IDEA: XBRL DOCUMENT v3.22.2.2
Investments in Unconsolidated Entities - Narrative (Details) - USD ($)
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
May 19, 2022
Schedule of Equity Method Investments [Line Items]        
Impairment of unconsolidated entity investment $ 0 $ 0 $ 0  
Imagine Homes        
Schedule of Equity Method Investments [Line Items]        
Equity method investment, ownership percentage       33.00%
Financial Guarantee        
Schedule of Equity Method Investments [Line Items]        
Outstanding guarantees $ 0 $ 0