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Real Estate Inventories - Summary of Interest Incurred, Capitalized and Expensed (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Real Estate [Abstract]    
Interest incurred $ 21,179 $ 20,779
Interest capitalized (21,179) (20,779)
Interest expensed 0 0
Real Estate Inventory, Capitalized Interest Costs [Roll Forward]    
Capitalized interest in beginning inventory 182,228 192,356
Interest capitalized as a cost of inventory 21,179 20,779
Interest previously capitalized as a cost of inventory, included in cost of sales (20,678) (16,822)
Capitalized interest in ending inventory $ 182,729 $ 196,313