Basis of Presentation and Significant Accounting Policies - Summary of Change in Inventories from Spin-Off (Parenthetical) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2025 USD ($)
Inventory [Line Items]
Earnest deposits	$ 4,000
Homesite Inventory And Other Related Assets [Member]
Inventory [Line Items]
Homesite inventory land acquisition	1,885,000
Homesite development costs	524,000
Investment in development loans	291,300
Homesite inventory take downs	1,509,000
Development loan paydowns	5,200
Homesite Inventory And Other Related Assets [Member] | Rausch
Inventory [Line Items]
Homesite inventory land acquired	1,049,000
Deferred tax liability	116,700
Earnest deposits	7,600
Homesite development costs	1,158,303
Homesite Inventory And Other Related Assets [Member] | Agreement with New Home Company
Inventory [Line Items]
Homesite inventory land addition	522,800
Lennar | Homesite Inventory And Other Related Assets [Member]
Inventory [Line Items]
Homesite inventory land contributed	5,556,000
Deferred tax liability	59,800
Option deposits	584,800
Homesite inventory non cash contribution	$ 4,911,000