Annual report pursuant to Section 13 and 15(d)

Related Parties - Schedule Of Related Party Transactions (Detail)

v3.20.2
Related Parties - Schedule Of Related Party Transactions (Detail) - Affiliated Entity - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Purchaser of subsidiary    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) $ 0 $ 0
Receivable (Payable) 621 756
Disposed entity    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) 0 0
Receivable (Payable) 396 846
Land Development Project    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) 0 0
Receivable (Payable) 774 774
Subcontracting Services    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) (11,110) (19,491)
Receivable (Payable) (654) (1,238)
Construction Services    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) 824 5,936
Receivable (Payable) 123 2,434
Island Pond    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) (320) (320)
Receivable (Payable) 0 0
Vehicles - Purchases    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) (869) (441)
Receivable (Payable) 0 0
Vehicles - Rent expense    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) (677) (1,050)
Receivable (Payable) 0 0
Consulting Services    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) (271) (265)
Receivable (Payable) 0 0
SunTx    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) (1,403) (1,252)
Receivable (Payable) $ 0 $ 0