Real Estate Inventories - Summary of Real Estate Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Real estate inventories:
Land deposits	$ 143,736	$ 147,327
Land and land under development	473,309	660,151
Finished lots	702,278	564,460
Homes completed and under construction	858,617	839,316
Model homes	125,596	121,953
Total	2,303,536	2,333,207
Not owned	$ 294,085	$ 315,576