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Significant Accounting Policies - Additional Information (Detail) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Other Assets    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Contract cost $ 25,100 $ 17,900
Home Building Segment    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Restricted cash and cash equivalents 46,474 41,483
Contract liabilities for customer deposits $ 358,609 $ 334,441