Segment Reporting - Schedule of Reconciliation of Revenue 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
Homebuilding
Segment Reporting Information [Line Items]
Total financial services revenues	$ 1,386,655	$ 1,087,050	$ 4,123,303	$ 3,210,536
Homebuilding | West
Segment Reporting Information [Line Items]
Total financial services revenues	804,561	651,472	2,477,208	1,845,964
Homebuilding | Mountain
Segment Reporting Information [Line Items]
Total financial services revenues	340,034	284,142	1,016,284	931,367
Homebuilding | East
Segment Reporting Information [Line Items]
Total financial services revenues	242,060	151,436	629,811	433,205
Financial Services
Segment Reporting Information [Line Items]
Total financial services revenues	43,357	23,769	112,289	85,874
Financial Services | West
Segment Reporting Information [Line Items]
Total financial services revenues	43,357	23,769	112,289	85,874
Financial Services | Mortgage operations
Segment Reporting Information [Line Items]
Total financial services revenues	26,391	12,098	69,192	53,275
Financial Services | Other
Segment Reporting Information [Line Items]
Total financial services revenues	$ 16,966	$ 11,671	$ 43,097	$ 32,599