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Acquisitions - Merger with American Residential Properties - Tables (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Feb. 29, 2016 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Pro Forma Supplemental Information [Abstract] |  |  |  |  |  |  |  |  |
Pro forma net loss per share (in dollars per share) |  | $ 0.01 | $ (0.09) | $ (0.04) | $ (0.02) |  | $ (0.08) | $ (0.14) | $ (0.40)
American Residential Properties Inc. |  |  |  |  |  |  |  |  |
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)
American Residential Properties Inc. | Pro Forma |  |  |  |  |  |  |  |  |
Pro Forma Supplemental Information [Abstract] |  |  |  |  |  |  |  |  |
Pro forma net loss per share (in dollars per share) |  |  |  |  |  |  |  | $ (0.22) | $ (0.37)
American Residential Properties Inc. | Credit facility |  |  |  |  |  |  |  |  |
Assets Assumed and Liabilities Acquired [Abstract] |  |  |  |  |  |  |  |  |
Debt assumed or extinguished | 350,000 |  |  |  |  |  |  |  |
American Residential Properties Inc. | Exchangeable senior notes |  |  |  |  |  |  |  |  |
Assets Assumed and Liabilities Acquired [Abstract] |  |  |  |  |  |  |  |  |
Debt assumed or extinguished | 112,298 |  |  |  |  |  | $ 0 | $ 112,298 | $ 0
American Residential Properties Inc. | Asset-backed securitization |  |  |  |  |  |  |  |  |
Assets Assumed and Liabilities Acquired [Abstract] |  |  |  |  |  |  |  |  |
Debt assumed or extinguished | $ 329,703 |  |  |  |  |  | $ 0 | $ 329,703 | $ 0

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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