Summary of Significant Accounting Policies - Summary of Assets Required to be Measured at Fair Value on a Recurring Basis (Details) - Interest Rate Cap [Member] - Fair Value, Measurements, Recurring [Member] - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate cap agreements	$ 0	$ 0
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate cap agreements	117,678	51,646
Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate cap agreements	$ 0	$ 0