Debt Financing - Schedule of Contractual Maturities of Borrowings (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Debt Financing [Abstract]
Remainder of 2018	$ 20,670,553
2019	168,839,558
2020	113,138,107
2021	2,361,722
2022	61,286,487
Thereafter	179,374,563
Total	545,670,990
Deferred financing costs	(3,498,661)
Total debt financing, net	$ 542,172,329	$ 558,328,347