Accrued Expenses and Other Liabilities (Schedule Of Accrued Expenses And Other Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Accrued Expenses and Other Liabilities [Abstract]
Earnest money deposits	$ 18,334		$ 10,592
Warranty reserve	11,221	$ 9,727	9,731	$ 9,768	$ 8,633	$ 7,970
Accrued compensation costs	29,937		30,888
Land development and home construction accruals	152,717		110,284
Accrued interest	14,063		19,306
Lease liabilities - operating leases	18,446		14,562
Income taxes payable	7,153		329
Liability for product financing arrangements and other	25,655		18,283
Total accrued expenses and other liabilities	$ 277,526		$ 213,975