Income Tax Provision - Summary of Income Tax Expense (Benefit) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Provision [Line Items]
Total income tax expense (benefit)	$ (81,142)	$ (68,219)	$ 26,802	$ 41,199
Greens Hold Co [Member]
Income Tax Provision [Line Items]
Current income tax expense (benefit)	(39,131)	(33,618)	104,483	107,681
Deferred income tax benefit	(42,011)	(34,601)	(77,681)	(66,482)
Total income tax expense (benefit)	$ (81,142)	$ (68,219)	$ 26,802	$ 41,199