Reporting Segments (Schedule of Total Revenue and Pretax Income by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Total revenue	$ 1,042,912	$ 776,444	$ 2,051,481	$ 1,379,053
Total income before income tax expense	152,134	50,103	283,183	84,191
West [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	237,367	166,125	423,193	298,012
Total income before income tax expense	40,903	13,747	68,364	29,089
Mountain [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	295,001	177,569	600,314	348,721
Total income before income tax expense	55,814	20,616	107,794	39,094
Texas [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	132,789	98,678	220,524	158,842
Total income before income tax expense	19,139	9,610	27,670	15,108
Southeast [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	168,519	174,626	388,925	306,128
Total income before income tax expense	26,096	12,020	49,536	20,329
Century Complete [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	179,371	133,724	355,040	231,833
Total income before income tax expense	23,089	8,548	44,819	9,333
Financial Services [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	29,865	25,722	63,485	35,517
Total income before income tax expense	11,697	12,978	27,016	13,187
Corporate [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total income before income tax expense	$ (24,604)	$ (27,416)	$ (42,016)	$ (41,949)