Owned Inventory - Inventory Impairments and Abandonment Charges, by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Real Estate Properties [Line Items]
Total abandonments charges	$ 0	$ 111	$ 0	$ 301
Total impairment and abandonment charges	0	111	0	301
West | Operating Segments
Real Estate Properties [Line Items]
Total abandonments charges	0	111	0	147
East | Operating Segments
Real Estate Properties [Line Items]
Total abandonments charges	$ 0	$ 0	$ 0	$ 154