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Inventory (Summary of Interests in Land Option Agreements) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Variable Interest Entity [Line Items]
Deposits and Pre-acquisition Costs	$ 201,820	$ 195,436
Remaining Purchase Price	2,267,665	2,102,563
Land options with VIEs
Variable Interest Entity [Line Items]
Deposits and Pre-acquisition Costs	73,652	68,527
Remaining Purchase Price	792,407	849,901
Other land options
Variable Interest Entity [Line Items]
Deposits and Pre-acquisition Costs	128,168	126,909
Remaining Purchase Price	$ 1,475,258	$ 1,252,662

X

- Definition

Remaining Purchase Price Of All Land Option Agreements

+ References

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- Definition

Carrying amount of an option or options to acquire real property.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Details

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