Accrued Expenses and Other Liabilities (Schedule of Accrued Expenses and Other Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Accrued Expenses and Other Liabilities [Abstract]
Earnest money deposits	$ 42,114		$ 30,578
Warranty reserve	13,862	$ 13,480	13,824	$ 11,221	$ 9,727	$ 9,731
Accrued compensation costs	51,842		60,692
Land development and home construction accruals	81,381		80,088
Liability for product financing arrangements	19,808		62,084
Accrued interest	13,649		13,649
Lease liabilities - operating leases	14,551		16,801
Income taxes payable			3,118
Derivative liabilities	758		3,807
Other accrued liabilities	25,991		18,110
Total accrued expenses and other liabilities	$ 263,956		$ 302,751