Homebuilding Accrued and Other Liabilities and Financial Services Accounts Payable and Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Warranty accrual	$ 46,712	$ 46,427	$ 44,082	$ 45,592	$ 47,209	$ 46,857
Lease liability			18,882
Homebuilding:
Segment Reporting Information [Line Items]
Accrued compensation and related expenses	67,624		93,013
Customer and escrow deposits	11,744		33,633
Warranty accrual	46,712		44,082
Lease liability	18,744		22,939
Land development and home construction accruals	21,401		19,262
Accrued interest	14,889		30,934
Construction defect claim reserves	11,537		11,433
Retentions payable	13,141		14,765
Other accrued liabilities	78,752		56,417
Total accrued and other liabilities	$ 284,544		$ 326,478