Derivative Financial Instruments - Summary of Terms of Partnership's Total Return Swaps (Details)	12 Months Ended
	Dec. 31, 2020 USD ($)
Derivative [Line Items]
Derivative, Notional Amount	$ 103,500,000
Derivative, Fair Value Liability	$ 293,626
Mizuho Capital Markets 1 [Member]
Derivative [Line Items]
Derivative, Purchase Date	2020-09
Derivative, Notional Amount	$ 39,970,485
Derivative, Effective Date	2020-09
Derivative, Termination Date	2025-09
Derivative, Period End Variable Rate Paid	4.25%	[1]
Derivative, Period End Variable Rate Received	9.22%	[2]
Derivative, Variable Rate Index	3-month LIBOR
Derivative, Fair Value Liability	$ 77,995
Mizuho Capital Markets 2 [Member]
Derivative [Line Items]
Derivative, Purchase Date	2020-09
Derivative, Notional Amount	$ 63,500,000
Derivative, Effective Date	2020-09
Derivative, Termination Date	2022-03
Derivative, Period End Variable Rate Paid	1.00%	[3]
Derivative, Period End Variable Rate Received	9.22%	[2]
Derivative, Variable Rate Index	3-month LIBOR
Derivative, Fair Value Liability	$ 215,631

[1] ^{Variable rate equal to 3-month LIBOR + 3.75%, subject to a floor of 4.25%.}

[2] ^{Variable rate equal to 3-month LIBOR + 9.00%.}

[3] ^{Variable rate equal to 3-month LIBOR + 0.50%, subject to a floor of 1.00%.}