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Summary of Significant Accounting Policies (Schedule Of The Company's Interests In Land Option Agreements) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Land under option agreement [Line Items]    
Deposits and Pre-acquisition Costs $ 404,922 $ 291,864
Remaining Purchase Price 5,457,878 3,773,568
Land options with VIEs    
Land under option agreement [Line Items]    
Deposits and Pre-acquisition Costs 179,604 126,900
Remaining Purchase Price 2,329,187 1,586,551
Other land options    
Land under option agreement [Line Items]    
Deposits and Pre-acquisition Costs 225,318 164,964
Remaining Purchase Price $ 3,128,691 $ 2,187,017