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Segment Information, Nature of Operations, and Certain Concentrations - SG&A (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Home Building | Mid Atlantic |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Segment selling, general & administrative | $ (151,470) | $ (144,641) | $ (144,837)
Home Building | North East |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Segment selling, general & administrative | (46,132) | (41,651) | (39,286)
Home Building | Mid East |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Segment selling, general & administrative | (80,254) | (76,241) | (82,879)
Home Building | South East |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Segment selling, general & administrative | (142,865) | (111,432) | (98,360)
Mortgage Banking |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Segment selling, general & administrative | $ (96,630) | $ (85,555) | $ (89,340)

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