Segment Reporting - Total Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Total Assets	$ 5,315,821	$ 5,363,272
Homebuilding assets
Segment Reporting Information [Line Items]
Total Assets	4,978,449	4,958,062
Financial services assets
Segment Reporting Information [Line Items]
Total Assets	337,372	405,210
Operating Segments | Homebuilding assets | West
Segment Reporting Information [Line Items]
Total Assets	2,098,329	2,275,144
Operating Segments | Homebuilding assets | Mountain
Segment Reporting Information [Line Items]
Total Assets	898,227	1,005,622
Operating Segments | Homebuilding assets | East
Segment Reporting Information [Line Items]
Total Assets	407,046	427,926
Operating Segments | Financial services assets | Mortgage operations
Segment Reporting Information [Line Items]
Total Assets	198,938	267,309
Operating Segments | Financial services assets | Other
Segment Reporting Information [Line Items]
Total Assets	138,434	137,901
Corporate | Homebuilding assets
Segment Reporting Information [Line Items]
Total Assets	$ 1,574,847	$ 1,249,370