SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Summary of Land Banking Agreements (Details) $ in Millions	Mar. 31, 2026 USD ($) lot	Dec. 31, 2025 USD ($) lot
Significant Accounting Policies [Line Items]
Lots under land banking agreements (in lots) | lot	38,944	42,826
Controlled Lots, Land Banking Arrangements
Significant Accounting Policies [Line Items]
Lots under land banking agreements (in lots) | lot	10,002	8,498
Aggregate purchase price	$ 1,792.8	$ 1,687.8
Exposure to loss	$ 245.5	$ 211.7
Build To Rent Land Banking Agreement
Significant Accounting Policies [Line Items]
Lots under land banking agreements (in lots) | lot	4,476	4,325
Aggregate purchase price	$ 980.2	$ 935.2
Exposure to loss	$ 53.5	$ 43.6