Debt Financing - Schedule of Contractual Maturities of Borrowings (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Debt Financing [Abstract]
Remainder of 2018	$ 18,538,094
2019	168,792,140
2020	105,271,622
2021	2,456,696
2022	2,600,981
Thereafter	250,605,454
Total	548,264,987
Deferred financing costs	(3,546,843)
Total debt financing, net	$ 544,718,144	$ 558,328,347