Quarterly report pursuant to Section 13 or 15(d)

Related Parties - Schedule Of Related Party Transactions (Details)

v3.10.0.1
Related Parties - Schedule Of Related Party Transactions (Details) - Affiliated Entity - USD ($)
$ in Thousands
 3 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Sep. 30, 2018
Purchaser of subsidiary      
Related Party Transaction [Line Items]      
Revenue Earned (Expense Incurred) $ 0 $ 0  
Accounts Receivable (Payable) 864   $ 850
Disposed entity      
Related Party Transaction [Line Items]      
Revenue Earned (Expense Incurred) 0 0  
Accounts Receivable (Payable) 952   937
Austin Trucking      
Related Party Transaction [Line Items]      
Revenue Earned (Expense Incurred) (3,089) (2,945)  
Accounts Receivable (Payable) (266)   (790)
Construction Services      
Related Party Transaction [Line Items]      
Revenue Earned (Expense Incurred) 113 1,291  
Accounts Receivable (Payable) 2,466   2,863
Deep South Adventures, LLC      
Related Party Transaction [Line Items]      
Revenue Earned (Expense Incurred) 0 (33)  
Accounts Receivable (Payable) 0   0
Vehicle Rentals      
Related Party Transaction [Line Items]      
Revenue Earned (Expense Incurred) (289) (288)  
Accounts Receivable (Payable) 0   0
Consulting Services      
Related Party Transaction [Line Items]      
Revenue Earned (Expense Incurred) (67) (60)  
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) (21) (21)  
Accounts Receivable (Payable) 0   0
H&A      
Related Party Transaction [Line Items]      
Revenue Earned (Expense Incurred) 0 (17)  
Accounts Receivable (Payable) 0   0
Island Pond      
Related Party Transaction [Line Items]      
Revenue Earned (Expense Incurred) (80) (80)  
Accounts Receivable (Payable) 0   0
Subcontracting Services      
Related Party Transaction [Line Items]      
Revenue Earned (Expense Incurred) (193) 0  
Accounts Receivable (Payable) 0   (52)
SunTx      
Related Party Transaction [Line Items]      
Revenue Earned (Expense Incurred) (254) $ (340)  
Accounts Receivable (Payable) $ 0   $ 0