Lease amortization period.

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Single-family Properties Held for Sale and Discontinued Operations [Abstract]

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No definition available.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.

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No definition available.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

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No definition available.

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No definition available.

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The number of real estate properties owned as of the balance sheet date.

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No definition available.

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The aggregate costs related to management of owned properties during the reporting period.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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No definition available.

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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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No definition available.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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Significant Accounting Policies (Details)	12 Months Ended
Significant Accounting Policies (Details)	Dec. 31, 2017 USD ($) single_family_property	Dec. 31, 2016 USD ($) single_family_property	Dec. 31, 2015 USD ($)
Property Subject to or Available for Operating Lease
Noncash share-based compensation	$ 4,212,000	$ 3,636,000	$ 3,125,000
Property management expenses	69,712,000	70,724,000	60,343,000
Deferred tax assets and liabilities	0
Single-family Properties Held for Sale and Discontinued Operations [Abstract]
Loss on impairment of single-family properties	4,680,000	4,970,000	0
Indefinite-Lived Intangible Assets (Excluding Goodwill) [Abstract]
Impairment of long-lived assets held-for-use	$ 0	$ 0	0
Leasing Costs
Lease amortization period	1 year
Building and Building Improvements \| Maximum
Depreciation and Amortization
Estimated useful life of asset	30 years
Building and Building Improvements \| Minimum
Depreciation and Amortization
Estimated useful life of asset	3 years
Single family homes
Single-family Properties Held for Sale and Discontinued Operations [Abstract]
Number of properties \| single_family_property	51,239	48,422
Single-family properties held for sale, net \| Single family homes
Single-family Properties Held for Sale and Discontinued Operations [Abstract]
Number of properties \| single_family_property	310	1,119
Loss on impairment of single-family properties	$ 4,700,000	$ 5,000,000
Value of in-place leases
Investments in Real Estate
Finite-lived intangible asset, useful life	1 year
Restatement Adjustment \| Reclassification of Noncash Share-based Compensation to Property Management Expenses
Property Subject to or Available for Operating Lease
Share-based compensation expense	$ 1,600,000	1,500,000	1,200,000
Restatement Adjustment \| Reclassification of Noncash Share-based Compensation to General and Administrative Expenses
Property Subject to or Available for Operating Lease
Share-based compensation expense	2,600,000	2,100,000	1,900,000
Restatement Adjustment \| Reclassification of Property Management Expenses
Property Subject to or Available for Operating Lease
Property management expenses		69,200,000	59,200,000
Stock options and Restricted stock units
Property Subject to or Available for Operating Lease
Noncash share-based compensation	$ 4,200,000	$ 3,600,000	$ 3,100,000