Interest (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Real Estate Inventory, Capitalized Interest Costs [Roll Forward]
Capitalized interest in inventory, beginning of period	$ 147,786	$ 134,292	$ 131,845	$ 124,182
Interest incurred	25,458	22,441	67,214	64,219
Capitalized interest impaired	(192)	(1,096)	(293)	(1,096)
Capitalized interest amortized to home construction and land sales expenses	(16,498)	(17,878)	(42,212)	(49,546)
Capitalized interest in inventory, end of period	$ 156,554	$ 137,759	$ 156,554	$ 137,759

Real Estate Inventory, Capitalized Interest Costs, Impaired

No definition available.

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- Definition

Carrying amount as of the balance sheet date of interest costs that were capitalized to properties under development during the land development and construction period of a project, and which are included in inventory.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483013/835-20-50-1

+ Details

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- Definition

Amount of interest cost charged to cost of sales that had been previously capitalized to inventory.

+ References

+ Details

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- Definition

The amount of interest capitalized to an operative builder's inventory during the period.

+ References

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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