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Fair Value Measurements (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	$ 6,437	$ 3,301
Interest rate swaps [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Assets, at Fair Value	0
Interest Rate Derivative Liabilities, At Fair Value	6,437
Interest rate swaps [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Assets, at Fair Value	0
Interest Rate Derivative Liabilities, At Fair Value	0
Interest rate swaps [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Assets, at Fair Value	0
Interest Rate Derivative Liabilities, At Fair Value	6,437
Interest rate swaps [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Assets, at Fair Value	0
Interest Rate Derivative Liabilities, At Fair Value	0
Mortgage notes payable [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	69,594
Mortgage notes payable [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	0
Mortgage notes payable [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	0
Mortgage notes payable [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	73,363
Unsecured term loan [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	159,211
Unsecured term loan [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	0
Unsecured term loan [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	0
Unsecured term loan [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	160,915
Senior unsecured notes [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	159,156
Senior unsecured notes [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	0
Senior unsecured notes [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	0
Senior unsecured notes [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	159,520
Revolving Credit Facility [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	47,000
Revolving Credit Facility [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	0
Revolving Credit Facility [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	47,000
Revolving Credit Facility [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	$ 0

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Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611

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- Definition

Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611

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