Summary of Significant Accounting Policies (Schedule Of The Company's Interests In Land Option Agreements) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Land under option agreement [Line Items]
Deposits and Pre-acquisition Costs	$ 478,755	$ 404,922
Remaining Purchase Price	5,400,241	5,457,878
Land options with VIEs
Land under option agreement [Line Items]
Deposits and Pre-acquisition Costs	213,895	179,604
Remaining Purchase Price	2,130,398	2,329,187
Other land options
Land under option agreement [Line Items]
Deposits and Pre-acquisition Costs	264,860	225,318
Remaining Purchase Price	$ 3,269,843	$ 3,128,691