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Business Combination, Recognized Identifiable Assets Acquired and Liabilities, Assumed Lease.

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restricted Cash

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Pro Forma Supplemental Information [Abstract]

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Revenues and Income Attributable to Business Combination [Abstract]

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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Amount of facility held for productive use including, but not limited to, office, production, storage and distribution facilities, acquired at the acquisition date.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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Amount of real estate acquired, at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Acquisitions - Merger with American Residential Properties - Tables (Details) - American Residential Properties Inc. - USD ($) $ / shares in Units, $ in Thousands		10 Months Ended	12 Months Ended
	Feb. 29, 2016	Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Assets Assumed and Liabilities Acquired [Abstract]
Land	$ 262,396
Buildings and improvements	1,014,857
Cash and cash equivalents	15,499
Restricted cash	9,521
Rent and other receivables	843
Escrow deposits, prepaid expenses and other assets	35,134
In-place leases	22,696
Accounts payable and accrued expenses	(38,485)
Net assets acquired	1,322,461
Debt assumed or extinguished	792,001
Equity transaction consideration	530,460
Total transaction consideration	1,322,461
Revenues and Income Attributable to Business Combination [Abstract]
Total revenues		$ 119,245
Net income		$ 1,237
Pro Forma Supplemental Information [Abstract]
Pro forma total revenues					$ 900,958	$ 754,710
Pro forma net loss					$ (8,989)	$ (54,995)
Pro forma net loss per share (in dollars per share)					$ (0.22)	$ (0.37)
Credit facility
Assets Assumed and Liabilities Acquired [Abstract]
Debt assumed or extinguished	350,000
Exchangeable senior notes
Assets Assumed and Liabilities Acquired [Abstract]
Debt assumed or extinguished	112,298		$ 0	$ 0	$ 112,298
Asset-backed securitization
Assets Assumed and Liabilities Acquired [Abstract]
Debt assumed or extinguished	$ 329,703		$ 0	$ 0	$ 329,703