Income Tax Provision - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income Tax Provision [Line Items]
Valuation allowance	$ 0	$ 0
Accrued interest or penalties	$ 0	0
Earliest Tax Year [Member]
Income Tax Provision [Line Items]
Partnership tax returns subjected to examination	2016
Latest Tax Year [Member]
Income Tax Provision [Line Items]
Partnership tax returns subjected to examination	2018
Greens Hold Co [Member]
Income Tax Provision [Line Items]
Net deferred tax assets	$ 426,000	$ 268,000