Property Plant and Equipment ("PP&E") - Summary of Property Plant and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Home Building
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 200,662	$ 186,551
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	13,310	13,745
Less: accumulated depreciation	(136,946)	(128,601)
Net Homebuilding PP&E	63,716	57,950
Home Building | Office facilities and other
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	45,707	40,604
Home Building | Model home furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	35,418	35,152
Home Building | Production facilities
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	106,227	97,050
Mortgage Banking
Property, Plant and Equipment [Line Items]
Net Homebuilding PP&E	6,348	3,559
Mortgage Banking | Office facilities and other
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	17,572	15,964
Less: accumulated depreciation	(11,224)	(12,405)
Net Homebuilding PP&E	$ 6,348	$ 3,559