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Real Estate Inventories - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 | Jan. 01, 2018 | Dec. 31, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |
Decrease in real estate inventories | $ (3,216,059) | $ (3,056,236) | $ (3,105,553)
Real estate inventories owned | 3,144,150 |  | $ 3,078,550
Accounting Standards Update 2014-09 | Difference between Revenue Guidance in Effect before and after Topic 606 |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |
Decrease in real estate inventories | 42,173 | $ 49,317 |
Dallas-based homebuilder [Member] |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |
Cash payment to acquire homebuilder | 61,500 |  |
Real estate inventories owned | 63,200 |  |
Other assets | 5,500 |  |
Accounts payable and other accrued liabilities | $ 7,200 |  |

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- Definition The net carrying amount as of the balance sheet date of the sum of the various components of an operative builder's owned inventory. + References No definition available. + Details
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- Definition Total of (1) improvements, (2) held-for-sale, (3) land and land under development, (4) construction-in-process, (5) mortgage loans held-in-inventory, and (6) other real estate investments which are considered inventory due to being held for sale or disposition. + References No definition available. + Details
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