Variable Interest Entities - Total Risk of Loss Related to Contract Land Deposits (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure [Abstract]
Contract land deposits	$ 629,948	$ 553,140
Loss reserve on contract land deposits	(53,397)	(57,060)
Contract land deposits, net	576,551	496,080
Contingent obligations in the form of letters of credit	7,769	6,896
Total risk of loss	$ 584,320	$ 502,976