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Segment Disclosures - Corporate Capital Allocation Charge (Detail) - Corporate and Reconciling Items - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Corporate capital allocation charge | $ 96,562 | $ 86,489 | $ 276,087 | $ 246,044
Home Building Segment | Mid Atlantic |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Corporate capital allocation charge | 38,204 | 35,976 | 112,350 | 104,872
Home Building Segment | North East |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Corporate capital allocation charge | 12,383 | 10,578 | 34,275 | 30,456
Home Building Segment | Mid East |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Corporate capital allocation charge | 12,917 | 11,929 | 36,157 | 32,850
Home Building Segment | South East |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Corporate capital allocation charge | $ 33,058 | $ 28,006 | $ 93,305 | $ 77,866

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- Definition The corporate capital allocation charge is eliminated in consolidation and is based on the segment’s average net assets employed. + References No definition available. + Details
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