Segment Reporting - Reconciliation of Revenue From Segments to Consolidated (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Homebuilding:
Segment Reporting Information [Line Items]
Total financial services revenues	$ 1,450,823	$ 1,367,773	$ 2,691,343	$ 2,409,631
Homebuilding: | West
Segment Reporting Information [Line Items]
Total financial services revenues	788,279	847,683	1,495,590	1,464,294
Homebuilding: | Mountain
Segment Reporting Information [Line Items]
Total financial services revenues	437,001	400,633	772,129	725,350
Homebuilding: | East
Segment Reporting Information [Line Items]
Total financial services revenues	225,543	119,457	423,624	219,987
Financial Services:
Segment Reporting Information [Line Items]
Total financial services revenues	36,229	33,318	65,360	78,341
Financial Services: | West
Segment Reporting Information [Line Items]
Total financial services revenues	36,229	33,318	65,360	78,341
Financial Services: | Mortgage operations
Segment Reporting Information [Line Items]
Total financial services revenues	22,077	23,321	39,678	58,486
Financial Services: | Other
Segment Reporting Information [Line Items]
Total financial services revenues	$ 14,152	$ 9,997	$ 25,682	$ 19,855