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Acquisitions and Dispositions - Additional Information (Detail) (USD $) |  | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended |  |  | 0 Months Ended
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Dec. 31, 2013 | Jun. 10, 2013 Management Internalization [Member] | Dec. 31, 2013 Management Internalization [Member] | Jun. 10, 2013 Management Internalization [Member] Vehicles [Member] Minimum [Member] | Jun. 10, 2013 Management Internalization [Member] Vehicles [Member] Maximum [Member] | Jun. 11, 2013 Alaska Joint Venture Acquisition [Member] Property | Dec. 31, 2013 Alaska Joint Venture Acquisition [Member] | Jun. 11, 2013 Alaska Joint Venture Acquisition [Member] Operating Partnership [Member] | Jun. 10, 2013 Series D Convertible Units [Member] Operating Partnership [Member] | Jun. 10, 2013 Series D Convertible Units [Member] Management Internalization [Member] | Jun. 10, 2013 Series E Convertible Units [Member] Management Internalization [Member] | Jun. 10, 2013 Series D Units [Member] Management Internalization [Member] | Jun. 10, 2013 Series E Units [Member] Management Internalization [Member]
Acquisitions And Dispositions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired of membership interests |  | 100.00% |  |  |  | 100.00% |  |  |  |  |  |  |
Issuance of units |  |  |  |  |  |  |  |  |  | 4,375,000 | 4,375,000 |  |
Acquisition date |  |  | Jun. 10, 2013 |  |  |  | Jun. 11, 2013 |  |  |  |  |  |
Company's right to receive promoted interests in future outside investment |  |  |  | 20.00% | 100.00% |  |  |  |  |  |  |  |
Acquisition and renovation fee in percent |  | 5.00% |  |  |  |  |  |  |  |  |  |  |
Monthly maintenance fee |  | $ 100,000 |  |  |  |  |  |  |  |  |  |  |
Fair value of units |  |  |  |  |  |  |  |  |  |  |  | 65,188,000 | 64,881,000
Goodwill from acquisition | 120,655,000 | 120,655,000 | 120,655,000 |  |  |  |  |  |  |  |  |  |
Estimated net monetary assets |  | 6,958,000 |  |  |  |  |  |  |  |  |  |  |
Estimated cash and cash equivalents |  | 8,982,000 |  |  |  | 22,989,000 |  |  |  |  |  |  |
Fair value of acquired assets |  |  | 130,069,000 |  |  | 904,487,000 | 904,487,000 |  |  |  |  |  |
Issuance of common shares |  |  |  |  |  | 43,609,394 |  |  |  |  |  |  |
Issuance of Operating Partnership units |  |  |  |  |  |  |  | 12,395,965 | 4,375,000 |  |  |  |
Number of single-family properties in acquired |  |  |  |  |  | 4,778 |  |  |  |  |  |  |
Net cash flows produced by Joint Venture |  |  |  |  |  | 1,896,000 | 1,896,000 |  |  |  |  |  |
Percentage of properties leased as of acquisition date |  |  |  |  |  | 75.00% |  |  |  |  |  |  |
Estimated net monetary assets |  |  |  |  |  | $ 12,995,000 |  |  |  |  |  |  |

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