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Related Party Transactions (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 10, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2015 | Dec. 31, 2014 | Nov. 30, 2012
AH LLC |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Equity interest rate |  |  |  | 22.10% | 21.80% |
Due from affiliates, net payable to affiliates |  |  |  | $ 6.1 | $ 4.0 |
AH LLC | Class A common shares |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Equity interest rate |  |  |  | 3.30% | 3.30% |
AH LLC | Class B common shares |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Shares owned (in shares) |  |  |  | 635,075 | 635,075 |
AH LLC | Agreement on Investment Opportunities |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Acquisition and renovation fee in percent |  |  |  |  |  | 5.00%
Monthly maintenance fee | $ 0.1 |  |  |  |  |
Acquisition and renovation fees |  | $ 31.8 | $ 58.6 |  |  |
Asset acquisition cost |  | 19.0 | 44.6 |  |  |
Property acquisition cost |  | 12.8 | 14.0 |  |  |
MMI |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Administrative expenses paid to related party |  | $ 11.2 | $ 30.3 |  |  |
Operating Partnership | Class A common shares |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Units owned (in shares) |  |  |  | 14,440,670 | 14,440,670 |
Operating Partnership | AH LLC | Series C Convertible Units |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Units owned (in shares) |  |  |  | 31,085,974 | 31,085,974 |
Operating Partnership | AH LLC | Series D Convertible Units |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Units owned (in shares) |  |  |  | 4,375,000 | 4,375,000 |
Operating Partnership | AH LLC | Series E Convertible Units |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Units owned (in shares) |  |  |  | 4,375,000 | 4,375,000 |

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- Definition Percentage of fee paid to AH LLC, in relation to acquisition and renovation services rendered to the Company. + References No definition available. + Details
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- Definition Amount of expenses related to the Advisor for designing and implementing the business strategy and administering the business activities and day-to-day operations of the reporting entity. + References No definition available. + Details
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- Definition The monthly payment which the related party must make under the terms of the agreement for the maintenance and use of certain intellectual property. + References No definition available. + Details
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- Definition The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10.(c)(7)(ii)) -URI http://asc.fasb.org/extlink&oid=50486907&loc=d3e511914-122862 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 10 -Paragraph c -Subparagraph 3(ii)(A) -Article 4 + Details
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