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Debt Obligations, net (Debt Covenants) (Details)	9 Months Ended
	Sep. 30, 2015
Unsecured Credit Facilities
Debt Instrument [Line Items]
Minimum ratio of unencumbered assets to unsecured indebtedness	1.2
Debt instrument covenant multiple of minimum fixed charges on outstanding borrowings	1.5
2012 Secured Credit Facilities
Debt Instrument [Line Items]
Multiple of the minimum collateral coverage on outstanding borrowings	1.25
2015 Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument covenant multiple of minimum fixed charges on outstanding borrowings	1.5
Multiple of the minimum collateral coverage on outstanding borrowings	1.5
Total secured credit facilities and term loans
Debt Instrument [Line Items]
Percentage of REIT taxable income permitted for distribution under debt covenants	100.00%

X

- Definition

Represents the multiple of the minimum collateral coverage on outstanding borrowings required under the terms of the debt covenant.

+ References

No definition available.

+ Details

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X

- Definition

Debt Instrument Covenant Multiple of Minimum Fixed Charges on Outstanding Borrowings

+ References

No definition available.

+ Details

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X

- Definition

Represents the percentage of taxable income that is permitted for distribution, under the terms of the debt covenant, if the entity maintains its REIT qualification.

+ References

No definition available.

+ Details

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X

- Definition

Represents the minimum ratio of encumbered assets to unsecured indebtedness required under the terms of the debt covenant.

+ References

No definition available.

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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X

- Details

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X

- Details

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X

- Details

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X

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