Reporting Segments (Schedule of Total Assets by Segment) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total assets	$ 2,894,253	$ 2,845,093
West [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	611,192	536,907
Mountain [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	803,816	778,198
Texas [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	238,221	207,746
Southeast [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	279,101	329,930
Century Complete [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	284,838	218,604
Financial Services [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	333,109	421,153
Corporate [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	$ 343,976	$ 352,555