Segment Reporting - Total Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total Assets	$ 5,232,827	$ 4,963,528
Homebuilding:
Segment Reporting Information [Line Items]
Total Assets	4,879,300	4,543,134
Financial Services:
Segment Reporting Information [Line Items]
Total Assets	353,527	420,394
Operating Segments | Homebuilding: | West
Segment Reporting Information [Line Items]
Total Assets	2,653,052	2,472,378
Operating Segments | Homebuilding: | Mountain
Segment Reporting Information [Line Items]
Total Assets	1,169,938	1,072,717
Operating Segments | Homebuilding: | East
Segment Reporting Information [Line Items]
Total Assets	508,690	450,675
Operating Segments | Financial Services: | Mortgage operations
Segment Reporting Information [Line Items]
Total Assets	232,139	313,373
Operating Segments | Financial Services: | Other
Segment Reporting Information [Line Items]
Total Assets	121,388	107,021
Corporate | Homebuilding:
Segment Reporting Information [Line Items]
Total Assets	$ 547,620	$ 547,364