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Commitments and Contingencies (Details) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2018 USD ($) property | Dec. 31, 2017 USD ($) property
Purchase Commitment [Line Items] |  |
Single-family properties sales in escrow | property | 155 | 69
Single-family properties sales in escrow, selling price | $ 23.9 | $ 7.0
Silver Bay Realty Trust Corp. |  |
Gain (Loss) on Sale of Securities, Net [Abstract] |  |
Gain (loss) on sale of equity investments |  | 3.0
Single Family Properties |  |
Purchase Commitment [Line Items] |  |
Purchase price of commitment to acquire single-family properties | 48.3 | 128.1
Land |  |
Purchase Commitment [Line Items] |  |
Purchase price of commitment to acquire single-family properties | $ 67.3 | $ 24.0
Commitment To Acquire Properties |  |
Purchase Commitment [Line Items] |  |
Number of properties | property | 196 | 520

X
- Definition Expected Proceeds from Sale of Property Held-for-sale + References No definition available. + Details
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- Definition Number of Real Estate Properties Held-for-Sale in Escrow + References No definition available. + Details
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- Definition The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert significant influence. + References No definition available. + Details
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- References No definition available. + Details
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- Definition The minimum amount the entity agreed to spend under the long-term purchase commitment. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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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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- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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