Segment Reporting - Schedule of Reconciliation of Revenue 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
Homebuilding
Segment Reporting Information [Line Items]
Total financial services revenues	$ 1,087,050	$ 1,407,642	$ 3,210,536	$ 4,098,985
Homebuilding | West
Segment Reporting Information [Line Items]
Total financial services revenues	651,472	772,356	1,845,964	2,267,946
Homebuilding | Mountain
Segment Reporting Information [Line Items]
Total financial services revenues	284,142	424,397	931,367	1,196,526
Homebuilding | East
Segment Reporting Information [Line Items]
Total financial services revenues	151,436	210,889	433,205	634,513
Financial Services
Segment Reporting Information [Line Items]
Total financial services revenues	23,769	34,101	85,874	99,461
Financial Services | West
Segment Reporting Information [Line Items]
Total financial services revenues	23,769	34,101	85,874	99,461
Financial Services | Mortgage operations
Segment Reporting Information [Line Items]
Total financial services revenues	12,098	16,933	53,275	56,611
Financial Services | Other
Segment Reporting Information [Line Items]
Total financial services revenues	$ 11,671	$ 17,168	$ 32,599	$ 42,850