Quarterly report pursuant to Section 13 or 15(d)

Related Parties - Related Party Transactions (Details)

v3.25.0.1
Related Parties - Related Party Transactions (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Sep. 30, 2024
Related Party Transaction [Line Items]      
Revenues $ 561,580 $ 396,505  
Subcontracting Services (485,009) (344,625)  
Expense incurred 44,266 35,454  
Acquisition related costs 19,552 527  
Related Party      
Related Party Transaction [Line Items]      
Expense incurred 600    
Acquisition related costs 800    
Related Party | Purchaser of Subsidiary      
Related Party Transaction [Line Items]      
Revenues 0 0  
Accounts receivable 207   $ 207
Related Party | Disposed Entity      
Related Party Transaction [Line Items]      
Revenues 0 0  
Accounts receivable 132   132
Related Party | Land Development Project      
Related Party Transaction [Line Items]      
Revenues 0 0  
Accounts receivable 548   548
Related Party | Subcontracting Services      
Related Party Transaction [Line Items]      
Subcontracting Services (1,925) (1,913)  
Accounts payable (187)   (239)
Related Party | Island Pond      
Related Party Transaction [Line Items]      
Expense incurred 100 100  
Accounts payable 0   0
Related Party | SunTx      
Related Party Transaction [Line Items]      
Expense incurred 1,391 $ 431  
Accounts payable $ 0   $ 0