Inventories - Summary of Inventory (Details) - Homebuilding Segment - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Inventory [Line Items]
Housing completed or under construction	$ 1,917,616	$ 1,486,587
Land and land under development	1,843,235	1,345,643
Total inventories	3,760,851	2,832,230
West
Inventory [Line Items]
Housing completed or under construction	1,077,256	902,842
Land and land under development	1,235,363	822,504
Mountain
Inventory [Line Items]
Housing completed or under construction	596,164	464,501
Land and land under development	435,958	391,054
East
Inventory [Line Items]
Housing completed or under construction	244,196	119,244
Land and land under development	$ 171,914	$ 132,085

Carrying amount as of the balance sheet date of capitalized construction costs of homes for future sale.

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