Fair Value Measurements (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	$ 3,301,108	$ 2,383,308
Interest rate swaps [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Assets, at Fair Value	98,562	274,013
Interest Rate Derivative Liabilities, At Fair Value	3,301,108	2,383,308
Interest rate swaps [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Assets, at Fair Value	0	0
Interest Rate Derivative Liabilities, At Fair Value	0	0
Interest rate swaps [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Assets, at Fair Value	98,562	274,013
Interest Rate Derivative Liabilities, At Fair Value	3,301,108	2,383,308
Interest rate swaps [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Assets, at Fair Value	0	0
Interest Rate Derivative Liabilities, At Fair Value	0	0
Mortgage notes payable [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	101,584,368	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	0
Mortgage notes payable [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	0	0
Mortgage notes payable [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	105,033,267	107,814,314
Unsecured term loan [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	100,000,000	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	0
Unsecured term loan [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	0	0
Unsecured term loan [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	97,741,973	97,918,642
Senior unsecured notes [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	100,000,000
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	99,645,428
Revolving Credit Facility [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	18,000,000	15,000,000
Revolving Credit Facility [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	0	0
Revolving Credit Facility [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	18,000,000	15,000,000
Revolving Credit Facility [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, At Fair Value	$ 0	$ 0