Inventory (Summary of Interests in Land Option Agreements) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Deposits and Pre-acquisition Costs	$ 485,727	$ 478,755
Remaining Purchase Price	5,537,464	5,400,241
Land options with VIEs
Variable Interest Entity [Line Items]
Deposits and Pre-acquisition Costs	218,460	213,895
Remaining Purchase Price	1,860,020	2,130,398
Other land options
Variable Interest Entity [Line Items]
Deposits and Pre-acquisition Costs	267,267	264,860
Remaining Purchase Price	$ 3,677,444	$ 3,269,843