Fair Value Measurements (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	$ 4,187,527	$ 2,383,308
Revolving Credit Facility [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	79,500,000
Fair Value, Inputs, Level 1 [Member] | Revolving Credit Facility [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	0
Fair Value, Inputs, Level 2 [Member] | Revolving Credit Facility [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	79,500,000
Fair Value, Inputs, Level 3 [Member] | Revolving Credit Facility [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	0
Interest rate swaps [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Assets, at Fair Value	66,405
Interest Rate Derivative Liabilities, At Fair Value	4,187,527
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	66,405
Interest Rate Derivative Liabilities, At Fair Value	4,187,527
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	106,762,238
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	113,188,490
Unsecured term loan [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	100,000,000
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	$ 99,210,734