Income Tax Provision - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Provision [Line Items]
Valuation allowance	$ 0	$ 0
Accrued interest or penalties	0	0
Uncertain tax positions	$ 0	0
Earliest Tax Year [Member]
Income Tax Provision [Line Items]
Partnership tax returns subjected to examination	2017
Latest Tax Year [Member]
Income Tax Provision [Line Items]
Partnership tax returns subjected to examination	2019
Greens Hold Co [Member]
Income Tax Provision [Line Items]
Net deferred tax assets	$ 532,000	$ 426,000