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Inventory (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Inventory Disclosure [Abstract]    
Completed home inventory and residential lots held for sale $ 112,567 $ 85,342
Work in process 242,428 236,383
Undeveloped land 5,873 6,193
Land not owned under option agreements 15,182 16,214
Inventory $ 376,050 $ 344,132