Segment Information (Land-Related Charges By Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information
Total land-related charges	$ 12,302	$ 20,305	$ 27,101
Northeast [Member]
Segment Reporting Information
Total land-related charges	1,433	5,301	1,122
Southeast [Member]
Segment Reporting Information
Total land-related charges	5,365	3,815	15,697
Florida [Member]
Segment Reporting Information
Total land-related charges	1,088	1,395	2,811
Texas [Member]
Segment Reporting Information
Total land-related charges	1,357	4,588	1,151
Midwest [Member]
Segment Reporting Information
Total land-related charges	2,150	2,390	2,581
West [Member]
Segment Reporting Information
Total land-related charges	909	1,936	2,568
Other Homebuilding [Member]
Segment Reporting Information
Total land-related charges	$ 0	$ 880	$ 1,171