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Inventory (Summary of Interests in Land Option Agreements) (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Variable Interest Entity [Line Items] |  |
Deposits and Pre-acquisition Costs | $ 173,687 | $ 162,119
Remaining Purchase Price | 2,165,445 | 2,046,193
Land options with VIEs |  |
Variable Interest Entity [Line Items] |  |
Deposits and Pre-acquisition Costs | 69,279 | 77,641
Remaining Purchase Price | 922,624 | 1,064,506
Other Land Option Agreements Member |  |
Variable Interest Entity [Line Items] |  |
Deposits and Pre-acquisition Costs | 104,408 | 84,478
Remaining Purchase Price | $ 1,242,821 | $ 981,687

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- Definition Remaining Purchase Price Of All Land Option Agreements + References No definition available. + Details
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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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Balance Type: | debit
Period Type: | instant

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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. + References No definition available. + Details
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- Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |