Reporting Segments (Schedule Of Total Assets By Segment) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Total assets	$ 2,254,255	$ 1,735,022
West [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	502,381	394,215
Mountain [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	621,757	571,880
Texas [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	209,550	192,078
Southeast [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	448,681	401,618
Wade Jurney Homes [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	204,925
Financial Services [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	146,710	63,137
Corporate [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	$ 120,251	$ 112,094