Adjusted Funds from Operations per Common Share

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- Definition

Annualized Earnings Before Interest Tax Depreciation and Amortization Contribution

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- Definition

Common Stock Per Unit

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- Definition

Conversion Of Preferred Units.

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- Definition

Dividend Rate For Preferred Units.

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No definition available.

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- Definition

EBITDA Contribution

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No definition available.

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- Definition

The number of units of the operating partnership owned by the noncontrolling interest, a related party.

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- Definition

Percentage Of Property Contribution Per Unit To Maximum

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- Definition

Percentage Of Property Lease To Scheduled Rents

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No definition available.

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- Definition

Preferred Distributions Percentage

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No definition available.

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- Definition

Common Stock Per Unit.

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No definition available.

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- Definition

The ratio applied to the equity instrument to exchange it for common stock of the reporting entity.

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No definition available.

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- Definition

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

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

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- Definition

Amount of Net Income (Loss) attributable to noncontrolling interest.

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- Definition

The number of each class of partnership units outstanding at the balance sheet date. Units represent shares of ownership of the general, limited, and preferred partners.

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- Definition

The amount per share used to calculated dividend payments on preferred stock.

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No definition available.

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- Definition

The number of preferred units issued.

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Amount per share or per unit of equity securities issued by non-development stage entity.

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- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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-Publisher FASB

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Number of shares of stock issued during the period that is attributable to transactions involving issuance of stock not separately disclosed.

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Value of shares of stock issued during the period that is attributable to transactions involving issuance of stock not separately disclosed.

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Shareholders' equity (Details 2) (USD $)	12 Months Ended	0 Months Ended	12 Months Ended		0 Months Ended
Shareholders' equity (Details 2) (USD $)	Dec. 31, 2014	Jun. 14, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 12, 2014
Scenario Two, Two Consecutive Quarters [Member]
Class of Stock
Units distribution percentage	70.00%
3.5% Convertible Perpetual Preferred Units
Class of Stock
Preferred Units converted into Class A units		653,492
Class A common shares
Class of Stock
Dividend payable per share	0.20		$ 0.05
Class A common shares \| Subscription Agreement
Class of Stock
Issuance of common shares			434,783
Purchase price per share			$ 17.25
Class A common shares \| Option to purchase \| Subscription Agreement
Class of Stock
Issuance of common shares				3,333,334
Aggregate purchase price of shares				$ 50,000,000
Purchase price per share				$ 15.00
Sponsor
Class of Stock
Percentage of units outstanding	21.80%		24.60%
Sponsor \| 3.5% Convertible Perpetual Preferred Units
Class of Stock
Preferred Units, Issued				653,492
Dividend Rate for Preferred Units				3.50%
Preferred Units converted into Class A units		653,492
Sponsor \| Class A common shares
Class of Stock
Percentage of units outstanding	3.30%		3.70%
Class A Units \| Sponsor
Class of Stock
Units owned (in shares)	14,440,670		13,787,292
Closing price per share					$ 17.11
Series C Convertible Units
Class of Stock
Dividend payable per share	0.60452		$ 0.15113
Series C Convertible Units \| Sponsor
Class of Stock
Units owned (in shares)	31,085,974		31,085,974
Series D Convertible Units \| Sponsor
Class of Stock
Units owned (in shares)	4,375,000		4,375,000
Series E Convertible Units \| Sponsor
Class of Stock
Units owned (in shares)	4,375,000		4,375,000
Sponsor \| Class A Units
Class of Stock
Closing price per share					$ 17.11
Operating Partnership \| Sponsor \| 3.5% Convertible Perpetual Preferred Units
Class of Stock
Annual distribution				$ 0.525
Operating Partnership \| Class A Units
Class of Stock
Percentage of units outstanding	93.60%		93.10%
Units outstanding (in shares)	225,914,576		199,291,586
Stock split conversion ratio	1
Operating Partnership \| Class A Units \| Sponsor
Class of Stock
Percentage of units outstanding	6.40%		6.90%
Units owned (in shares)	14,440,670		13,787,292
Operating Partnership \| Series C Convertible Units
Class of Stock
Percentage of Property Contribution	3.90%
Percentage of scheduled rents	98.00%
Common Stock Per Unit	15.50
Net Income (Loss) Attributable to Noncontrolling Interest	18,600,000		14,900,000
Operating Partnership \| Series C Convertible Units \| Sponsor
Class of Stock
Units owned (in shares)	31,085,974		31,085,974
Operating Partnership \| Series D Convertible Units
Class of Stock
Stock split conversion ratio	1
Closing price per share	18.00
Operating Partnership \| Series D Convertible Units \| Scenario One, Over Four Consecutive Quarters [Member]
Class of Stock
Adjusted funds from operations per common share	0.80
Operating Partnership \| Series D Convertible Units \| Sponsor
Class of Stock
Units owned (in shares)	4,375,000		4,375,000
Operating Partnership \| Series E Convertible Units
Class of Stock
Units owned (in shares)	4,375,000
Stock split conversion ratio	1
Annualized EBITDA Contribution	14,000,000
Operating Partnership \| Series E Convertible Units \| Scenario Three, Measurement Period [Member]
Class of Stock
EBITDA contribution	28,000,000
Operating Partnership \| Series E Convertible Units \| Sponsor
Class of Stock
Units owned (in shares)	4,375,000
Certain consolidated subsidiaries with noncontrolling interest
Class of Stock
Net Income (Loss) Attributable to Noncontrolling Interest	300,000		100,000	0
Certain consolidated subsidiaries with noncontrolling interest \| Preferred Units
Class of Stock
Net Income (Loss) Attributable to Noncontrolling Interest	0		200,000
Certain consolidated subsidiaries with noncontrolling interest \| Class A Units
Class of Stock
Net Income (Loss) Attributable to Noncontrolling Interest	3,400,000		$ 1,800,000