Annual report pursuant to Section 13 and 15(d)

Related Parties - Schedule Of Related Party Transactions (Detail)

v3.19.3.a.u2
Related Parties - Schedule Of Related Party Transactions (Detail) - Affiliated Entity - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Purchaser of subsidiary    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) $ 0 $ 0
Accounts Receivable (Payable) 756 850
Disposed entity    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) 0 0
Accounts Receivable (Payable) 846 937
Land Development Project    
Related Party Transaction [Line Items]    
Accounts Receivable (Payable) 774 774
Subcontracting Services    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) (19,491) (13,245)
Accounts Receivable (Payable) (1,238) (790)
Construction Services    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) 5,936 1,753
Accounts Receivable (Payable) 2,434 2,863
Island Pond    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) (320) (320)
Accounts Receivable (Payable) 0 0
Vehicles    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) (1,491) (1,149)
Accounts Receivable (Payable) 0 0
Consulting Services    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) (265) (272)
Accounts Receivable (Payable) 0 0
Legal Services    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) 0 (58)
Accounts Receivable (Payable) 0 0
H&K    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) (78) (84)
Accounts Receivable (Payable) 0 0
H&A    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) 0 (61)
Accounts Receivable (Payable) 0 0
SunTx    
Related Party Transaction [Line Items]    
Revenue Earned (Expense Incurred) (1,252) (1,457)
Accounts Receivable (Payable) $ 0 $ 0