v3.26.1
Basis of Presentation and Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2025
Disaggregation of Revenue [Line Items]          
Total revenue $ 516,306 $ 545,367 $ 1,289,643 $ 1,579,659  
Customer deposits 21,309   21,309   $ 14,260
Contract with customer, liability, revenue recognized 1,100   12,400    
Homebuilding revenue          
Disaggregation of Revenue [Line Items]          
Total revenue 490,870 535,390 1,248,360 1,551,844  
Land sales and other revenue          
Disaggregation of Revenue [Line Items]          
Total revenue $ 25,436 $ 9,977 $ 41,283 $ 27,815