v3.26.1
Segment Disclosures - Corporate Capital Allocation Charge (Detail) - Corporate and Reconciling Items - Home Building Segment - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Mid Atlantic        
Segment Reporting [Line Items]        
Corporate capital allocation charge $ 40,089 $ 37,003 $ 75,150 $ 74,146
North East        
Segment Reporting [Line Items]        
Corporate capital allocation charge 11,965 11,290 22,943 21,892
Mid East        
Segment Reporting [Line Items]        
Corporate capital allocation charge 12,703 12,033 23,359 23,240
South East        
Segment Reporting [Line Items]        
Corporate capital allocation charge $ 32,039 $ 31,572 $ 61,804 $ 60,247