Commitments and Contingencies (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($) lot
Loss Contingencies [Line Items]
Surety bonds, outstanding, amount	$ 293.4
Letters of credit outstanding, amount	126.9
Estimated cost related to letters of credit	92.4
Estimated cost related to bonds	$ 66.7
Number of lots | lot	4,280
Option Contracts
Loss Contingencies [Line Items]
Letters of credit outstanding, amount	$ 7.1
Deposits	20.8
Capitalized costs	3.3
HomeAmerican
Loss Contingencies [Line Items]
Surety bonds, outstanding, amount	$ 87.3