Variable Interest Entities - Total Risk of Loss Related to Contract Land Deposits (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure [Abstract]
Contract land deposits	$ 553,140	$ 527,180
Loss reserve on contract land deposits	(57,060)	(30,041)
Contract land deposits, net	496,080	497,139
Contingent obligations in the form of letters of credit	6,896	10,145
Total risk of loss	$ 502,976	$ 507,284