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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, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Corporate capital allocation charge | $ 81,020 | $ 64,055 | $ 228,276 | $ 188,638
Home Building Segment | Mid Atlantic |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Corporate capital allocation charge | 37,305 | 31,057 | 108,514 | 92,788
Home Building Segment | North East |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Corporate capital allocation charge | 7,994 | 6,719 | 23,238 | 19,214
Home Building Segment | Mid East |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Corporate capital allocation charge | 14,509 | 11,114 | 38,801 | 32,804
Home Building Segment | South East |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Corporate capital allocation charge | $ 21,212 | $ 15,165 | $ 57,723 | $ 43,832

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