Real Estate Inventories - Summary of Real Estate Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Real estate inventories:
Land deposits	$ 127,068	$ 147,327
Land and land under development	521,934	660,151
Finished lots	744,163	564,460
Homes completed and under construction	832,886	839,316
Model homes	123,387	121,953
Total	2,349,438	2,333,207
Not owned	$ 240,015	$ 315,576