Income Tax Provision - Summary of Income Tax Expense (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Tax Provision [Line Items]
Total income tax expense (benefit)	$ (809,805)	$ (285,000)	$ (803,805)	$ 2,110,047
Greens Hold Co [Member]
Income Tax Provision [Line Items]
Current income tax expense (benefit)	(809,805)	(276,000)	(837,805)	2,484,047
Deferred income tax expense (benefit)		(9,000)	34,000	(374,000)
Total income tax expense (benefit)	$ (809,805)	$ (285,000)	$ (803,805)	$ 2,110,047