Segment Reporting - Cost of Sales (Details) - Home Building Segment - 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]
Cost of Product and Service Sold	$ (2,021,398)	$ (2,051,087)	$ (5,856,756)	$ (5,724,916)
Mid Atlantic
Segment Reporting, Other Significant Reconciling Item [Line Items]
Cost of Product and Service Sold	(796,238)	(859,762)	(2,481,372)	(2,468,953)
North East
Segment Reporting, Other Significant Reconciling Item [Line Items]
Cost of Product and Service Sold	(215,063)	(222,197)	(655,666)	(621,623)
Mid East
Segment Reporting, Other Significant Reconciling Item [Line Items]
Cost of Product and Service Sold	(398,371)	(387,102)	(1,082,109)	(1,049,160)
South East
Segment Reporting, Other Significant Reconciling Item [Line Items]
Cost of Product and Service Sold	$ (590,149)	$ (568,679)	$ (1,582,472)	$ (1,557,935)