Accrued Expenses and Other Liabilities (Schedule Of Accrued Expenses And Other Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Accrued Expenses and Other Liabilities [Abstract]
Earnest money deposits	$ 13,805		$ 13,990
Warranty reserve	9,990	$ 9,768	7,970	$ 10,272	$ 10,269	$ 8,531
Accrued compensation costs	22,636		29,770
Land development and home construction accruals	117,511		77,748
Accrued interest	18,327		15,636
Lease liabilities - operating leases	17,380
Liability for product financing arrangements and other	7,169		68,043
Total accrued expenses and other liabilities	$ 206,818		$ 213,157