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Inventory (Summary of Interests in Land Option Agreements) (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Variable Interest Entity [Line Items] |  |
Deposits and Pre-acquisition Costs | $ 195,717 | $ 195,436
Remaining Purchase Price | 1,992,161 | 2,102,563
Land options with VIEs |  |
Variable Interest Entity [Line Items] |  |
Deposits and Pre-acquisition Costs | 71,558 | 68,527
Remaining Purchase Price | 842,784 | 849,901
Other Land Option Agreements Member |  |
Variable Interest Entity [Line Items] |  |
Deposits and Pre-acquisition Costs | 124,159 | 126,909
Remaining Purchase Price | $ 1,149,377 | $ 1,252,662

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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: |