Variable Interest Entities ("VIEs") - Total Risk of Loss Related to Contract Land Deposits (Detail) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure [Abstract]
Contract land deposits	$ 553,812	$ 527,180
Loss reserve on contract land deposits	(32,240)	(30,041)
Contract land deposits, net	521,572	497,139
Contingent obligations in the form of letters of credit		10,145
Total risk of loss	528,838	$ 507,284
Letters of credit related to lots	$ 7,266