Commitments and Contingencies - Surety Bonds and Letters of Credit and Backlog (Details) $ in Thousands	Jan. 31, 2025 USD ($) home
Backlog Information
Number of homes to be delivered | home	6,312
Aggregate sales value of outstanding homes to be delivered	$ 6,940,000
Feb 2023 Revolving Credit Facility Extension Agreement
Loss Contingencies [Line Items]
Outstanding letter of credit	182,700
Surety Bond Construction Improvements
Loss Contingencies [Line Items]
Surety bonds outstanding amount	821,300
Surety Bond Other Obligations
Loss Contingencies [Line Items]
Additional outstanding surety bonds	340,500
Financial Guarantee
Loss Contingencies [Line Items]
Surety bonds outstanding amount	$ 35,400