Reporting Segments (Schedule Of Total Revenue And Pretax Income By Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
Total revenue	$ 590,362	$ 561,729	$ 1,743,369	$ 1,495,467
Total income (loss) before income tax expense	34,840	22,858	78,667	92,468
West [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	116,874	105,949	364,220	354,087
Total income (loss) before income tax expense	9,013	7,478	27,634	29,494
Mountain [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	171,617	162,912	510,693	488,928
Total income (loss) before income tax expense	20,552	18,753	62,386	61,995
Texas [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	68,812	56,220	180,820	157,793
Total income (loss) before income tax expense	8,290	3,539	17,626	10,319
Southeast [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	118,610	141,458	356,236	360,653
Total income (loss) before income tax expense	7,079	10,401	17,467	24,106
Wade Jurney Homes [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	104,030	87,468	302,666	112,714
Total income (loss) before income tax expense	6,032	451	18,323	265
Financial Services [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	10,419	7,722	28,734	21,292
Total income (loss) before income tax expense	2,245	1,666	5,984	5,456
Corporate [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total income (loss) before income tax expense	$ (18,371)	$ (19,430)	$ (70,753)	$ (39,167)