Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Other Assets
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Contract cost	$ 18,900	$ 15,300
Home Building Segment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Restricted cash and cash equivalents	48,979	48,455
Contract liabilities for customer deposits	$ 355,311	$ 313,804