Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Accruals related to land development	$ 37,180	$ 35,417
Warranty	26,133	27,732
Payroll and other benefits	28,128	26,140
Other	40,093	33,873
Total other liabilities	131,534	123,162
Guarantor and Indemnifications included in Other Liabilities	$ 1,000	$ 1,300