Reporting Segments (Schedule of Total Revenue and Pretax Income by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total revenue									$ 4,216,314	$ 3,161,192	$ 2,535,911
Total income before income tax expense	$ 212,177	$ 145,761	$ 152,134	$ 131,049	$ 121,164	$ 64,885	$ 50,103	$ 34,088	641,122	270,240	132,635
West [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue									1,022,523	683,138	534,613
Total income before income tax expense									213,301	71,417	43,027
Mountain [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue									1,151,911	860,041	729,045
Total income before income tax expense									212,335	114,722	89,201
Texas [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue									481,915	339,346	252,921
Total income before income tax expense									68,565	34,694	25,866
Southeast [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue									663,728	672,790	548,661
Total income before income tax expense									92,420	57,181	31,435
Century Complete [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue									772,499	502,569	427,409
Total income before income tax expense									109,213	33,449	22,044
Financial Services [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue									123,738	103,308	43,262
Total income before income tax expense									51,160	48,511	10,687
Corporate [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue
Total income before income tax expense									$ (105,872)	$ (89,734)	$ (89,625)