Homebuilding Accrued and Other Liabilities and Financial Services Accounts Payable and Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Warranty accrual	$ 45,592	$ 47,209	$ 46,857	$ 45,161	$ 42,711	$ 37,491
Lease liability			24,835
Retentions payable	21,500
Homebuilding:
Segment Reporting Information [Line Items]
Accrued compensation and related expenses	76,219		100,653
Customer and escrow deposits	51,181		42,296
Warranty accrual	45,592		46,857
Lease liability	24,625		26,574
Land development and home construction accruals	18,192		20,028
Accrued interest	14,889		30,934
Income taxes payable	0		23,880
Construction defect claim reserves	10,387		10,466
Retentions payable	16,730		21,519
Other accrued liabilities	55,067		60,199
Total accrued and other liabilities	$ 312,882		$ 383,406