Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 67,581	$ 62,432
Less: Accumulated depreciation	(36,437)	(37,866)
Property and equipment, net	31,144	24,566
Model furnishings and sales office improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	24,736	22,544
Information systems
Property, Plant and Equipment [Line Items]
Property and equipment, gross	25,745	23,074
Furniture, fixtures and office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	12,692	11,019
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,026	4,124
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,382	$ 1,671