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Segment Information , Nature of Operations, and Certain Concentrations - Cost of Sales (Detail) - Home Building - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Cost of sales | $ (7,850,549) | $ (7,051,198) | $ (7,662,271)
Mid Atlantic |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Cost of sales | (3,318,299) | (3,165,964) | (3,485,731)
North East |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Cost of sales | (862,223) | (704,654) | (665,877)
Mid East |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Cost of sales | (1,447,286) | (1,350,843) | (1,670,604)
South East |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Cost of sales | $ (2,206,202) | $ (1,823,002) | $ (1,768,902)

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