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, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Total pretax income	$ 155,680	$ 139,807	$ 325,321	$ 361,826
Homebuilding
Segment Reporting Information [Line Items]
Total financial services pretax income	127,774	127,384	257,108	310,441
Total pretax income	127,774	127,384	257,108	310,441
Financial Services
Segment Reporting Information [Line Items]
Total financial services pretax income	27,906	12,423	68,213	51,385
Total pretax income	27,906	12,423	68,213	51,385
Operating Segments | Homebuilding | West
Segment Reporting Information [Line Items]
Total financial services pretax income	81,270	60,792	248,004	133,631
Operating Segments | Homebuilding | Mountain
Segment Reporting Information [Line Items]
Total financial services pretax income	36,044	38,211	101,196	107,923
Operating Segments | Homebuilding | East
Segment Reporting Information [Line Items]
Total financial services pretax income	12,732	15,891	38,304	45,349
Operating Segments | Financial Services | Mortgage operations
Segment Reporting Information [Line Items]
Total financial services pretax income	14,257	3,098	35,130	26,676
Operating Segments | Financial Services | Other
Segment Reporting Information [Line Items]
Total financial services pretax income	13,649	9,325	33,083	24,709
Corporate | Homebuilding
Segment Reporting Information [Line Items]
Total financial services pretax income	$ (2,272)	$ 12,490	$ (130,396)	$ 23,538