Inventory (Summary of Interests in Land Option Agreements) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Deposits and Pre-acquisition Costs	$ 611,458	$ 478,755
Remaining Purchase Price	6,257,651	5,400,241
Land options with VIEs
Variable Interest Entity [Line Items]
Deposits and Pre-acquisition Costs	244,897	213,895
Remaining Purchase Price	2,169,510	2,130,398
Other land options
Variable Interest Entity [Line Items]
Deposits and Pre-acquisition Costs	366,561	264,860
Remaining Purchase Price	$ 4,088,141	$ 3,269,843