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Capitalized Interest Rollfoward (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Real Estate Inventory, Capitalized Interest Costs [Roll Forward]      
Real Estate Inventory, Capitalized Interest Costs $ 16,740 $ 15,296 $ 13,802
Interest capitalized to inventory 17,685 18,410 17,937
Capitalized interest charged to cost of sales (18,413) (16,966) (16,443)
Real Estate Inventory, Capitalized Interest Costs 16,012 16,740 15,296
Interest incurred $ 35,283 $ 35,931 $ 31,302