Commitments and Contingencies (Details) $ in Millions	6 Months Ended
	Jun. 30, 2024 USD ($) lot
Loss Contingencies [Line Items]
Surety bonds, outstanding, amount	$ 296.8
Letters of credit outstanding, amount	115.7
Estimated cost related to letters of credit	99.9
Estimated cost related to bonds	$ 73.3
Number of lots | lot	5,598
Option Contracts
Loss Contingencies [Line Items]
Letters of credit outstanding, amount	$ 11.1
Deposits	32.2
Capitalized costs	5.5
HomeAmerican
Loss Contingencies [Line Items]
Surety bonds, outstanding, amount	$ 84.6