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Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Class of Stock
Preferred stock, cumulative change in value of index based on purchase prices of single-family properties (as a percent)	50.00%
Initial liquidation preference on the Company's participating preferred shares	$ 444.5
Series C Convertible Units
Class of Stock
Dividend payable per share	$ 0.15113	$ 0.15113
Class A common shares
Class of Stock
Dividend payable per share	0.05	0.05
5.0% Series A Participating Preferred Shares
Class of Stock
Dividend payable per share	0.3125	0.3125
5.0% Series B Participating Preferred Shares
Class of Stock
Dividend payable per share	0.3125	0.3125
5.5% Series C Participating Preferred Shares
Class of Stock
Dividend payable per share	0.34375	0.225347
Class B common shares
Class of Stock
Dividend payable per share	$ 0.05	$ 0.05

X

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Preferred Stock, Cumulative Change In Value Of Index Based On Purchase Prices.

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 230



-SubTopic 10



-Section 50



-Paragraph 3



-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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