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v3.23.4

Related Party Disclosures (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) Lot | Dec. 31, 2022 USD ($) Lot | Sep. 30, 2023 USD ($) Lot
Related Party Transaction [Line Items] |  |  |
Selling, General and Administrative Expense | $ 28.0 | $ 22.9 |
Costs and Expenses, Related Party | $ 0.3 | 0.6 |
Number of Units in Real Estate Property | Lot | 55,400 |  | 52,400
Revenues | $ 305.9 | 216.7 |
D.R. Horton, Inc. [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Selling, General and Administrative Expense | 1.3 | 0.9 |
Employee Benefits and Share-Based Compensation | 2.4 | 2.3 |
Deferred Revenue, Period Increase (Decrease) | 0.7 | 2.7 |
Related Party Transaction, Purchases from Related Party | 0.5 | 0.2 |
Accrued Liabilities and Other Liabilities | 3.5 |  | $ 3.2
D.R. Horton, Inc. [Member] | Deposits [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Related Party Transaction, Amounts of Transaction |  | 0.1 |
D.R. Horton, Inc. [Member] | Other Expense [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Related Party Transaction, Amounts of Transaction | 4.6 | 4.7 |
Residential Real Estate [Member] | Real Estate |  |  |
Related Party Transaction [Line Items] |  |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 304.2 | $ 206.7 |
D.R. Horton, Inc. [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Number of Lots Sold | Lot | 2,834 | 2,094 |
Revenues | $ 272.8 | $ 187.1 |
D.R. Horton, Inc. [Member] | Under Contract [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Number of Units in Real Estate Property | Lot | 16,200 |  | 14,400
Related Party Transaction, Purchase Obligation from Parent | $ 1,500.8 |  | $ 1,319.2
D.R. Horton, Inc. [Member] | Under Contract [Member] | Cash [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Related Party Deposit Liabilities | $ 136.1 |  | $ 117.1
D.R. Horton, Inc. [Member] | Right of First Offer [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Number of Units in Real Estate Property | Lot | 17,500 |  | 17,000

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