Homesites Under Option Contracts - Summary of Change in Homesite Under Option Contracts from Spin-off (Parenthetical) (Details) $ in Millions	12 Months Ended
Dec. 31, 2025 USD ($)
Disaggregation of Revenue [Line Items]
Earnest deposits	$ 4.0
Inventories
Disaggregation of Revenue [Line Items]
Homesite inventory land acquired	3,914.0
Homesite development costs	1,686.0
Rausch \| Inventories
Disaggregation of Revenue [Line Items]
Homesite inventory land acquired	1,049.0
Deferred tax liability	116.7
Earnest deposits	7.6
Agreement with New Home Company \| Inventories
Disaggregation of Revenue [Line Items]
Homesite inventory land acquired	522.8
Purchase Money Mortgages \| Inventories
Disaggregation of Revenue [Line Items]
Homesite inventory land acquired	33.0
Lennar Corporation [Member] \| Inventories
Disaggregation of Revenue [Line Items]
Homesite inventory land contributed	5,556.0
Deferred tax liability	$ 59.8

Homesite inventory land acquired.

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Homesite inventory land contributed.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.

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Amount of deferred tax consequences attributable to taxable temporary differences derived from inventory.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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A deposit made by a purchaser of real estate to evidence good faith. It is customary for a buyer to give the seller earnest money at the time a sales contract is signed. The earnest money generally is credited to the down payment at closing, which is applied at closing as a component of payment against the purchase price.

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Carrying amount as of the balance sheet date, net of valuation allowances and impairment losses, of costs of land expected to be developed in the near term plus capitalized costs of development, for purposes of selling completed units to home buyers or commercial or industrial entities.

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