Segment Reporting - Schedule of Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information [Line Items]
Total pretax income	$ 139,807	$ 185,789	$ 361,826	$ 646,634
Homebuilding
Segment Reporting Information [Line Items]
Total pretax income	127,384	168,216	310,441	596,986
Financial Services
Segment Reporting Information [Line Items]
Total pretax income	12,423	17,573	51,385	49,648
Operating Segments | Homebuilding | West
Segment Reporting Information [Line Items]
Total pretax income	60,792	105,680	133,631	384,714
Operating Segments | Homebuilding | Mountain
Segment Reporting Information [Line Items]
Total pretax income	38,211	68,106	107,923	197,747
Operating Segments | Homebuilding | East
Segment Reporting Information [Line Items]
Total pretax income	15,891	28,245	45,349	94,046
Operating Segments | Financial Services | Mortgage operations
Segment Reporting Information [Line Items]
Total pretax income	3,098	5,676	26,676	23,782
Operating Segments | Financial Services | Other
Segment Reporting Information [Line Items]
Total pretax income	9,325	11,897	24,709	25,866
Corporate | Homebuilding
Segment Reporting Information [Line Items]
Total pretax income	$ 12,490	$ (33,815)	$ 23,538	$ (79,521)