Condensed Consolidated Statements of Comprehensive (Loss)/Income - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net (loss)/income	$ (5,992,156)	$ 3,450,767	$ (5,962,673)	$ 3,503,512
Comprehensive (loss)/income	$ (5,992,156)	$ 3,450,767	$ (5,962,673)	$ 3,503,512