v3.25.4
Segment Information, Nature of Operations, and Certain Concentrations - Consolidated assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Assets $ 5,856,930 $ 6,380,988
Finance lease right-of-use assets 39,080 37,638
Allowance for losses on contract land deposits (110,958) (58,597)
Home Building    
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Assets 5,089,563 5,888,232
Cash and cash equivalents 1,883,844 2,561,339
Deferred tax assets, net 143,666 142,192
Operating lease right-of-use assets 110,535 78,340
Mortgage Banking    
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Assets 767,367 492,756
Cash and cash equivalents 32,642 49,636
Operating lease right-of-use assets 23,953 23,482
Operating Segments    
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Assets 3,651,185 3,502,540
Operating Segments | Home Building | Mid Atlantic    
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Assets 1,185,864 1,337,659
Operating Segments | Home Building | North East    
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Assets 374,313 368,300
Operating Segments | Home Building | Mid East    
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Assets 359,826 396,854
Operating Segments | Home Building | South East    
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Assets 971,162 914,318
Operating Segments | Mortgage Banking    
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Assets 760,020 485,409
Corporate And Reconciling Items    
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Assets 2,205,745 2,878,448
Intangible assets and goodwill 48,927 49,368
Allowance for losses on contract land deposits (110,958) (58,597)
Consolidation adjustments and other 90,651 68,168
Corporate And Reconciling Items | Home Building    
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Cash and cash equivalents 1,883,844 2,561,339
Deferred tax assets, net 143,666 142,192
Operating lease right-of-use assets 110,535 78,340
Finance lease right-of-use assets $ 39,080 $ 37,638