Commitments and Contingencies (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) lot thirdPartyGuarantee	Dec. 31, 2023 USD ($)
Loss Contingencies [Line Items]
Surety bonds, outstanding, amount	$ 322.4
Letters of credit outstanding, amount	195.6
Estimated cost related to letters of credit	125.0
Estimated cost related to bonds	$ 149.0
Number of guarantees related to third parties | thirdPartyGuarantee	0
Estimated litigation liability	$ 0.5	$ 0.3
Number of lots | lot	7,155
Option Contracts
Loss Contingencies [Line Items]
Letters of credit outstanding, amount	$ 44.1
Deposits	15.0
HomeAmerican
Loss Contingencies [Line Items]
Surety bonds, outstanding, amount	$ 152.0