Interest Rate Derivatives - Summary of Partnership's Interest Rate Derivatives (Details) - USD ($)		1 Months Ended	12 Months Ended
		Aug. 31, 2019	Dec. 31, 2019		Dec. 31, 2018
Derivative [Line Items]
Derivative, Fair Value - Asset (Liability)			$ 10,911		$ 626,633
Wells Fargo Bank [Member]
Derivative [Line Items]
Derivative, Purchase Date			2015-07		2015-07
Derivative, Notional Amount			$ 27,033,788		$ 27,359,689
Derivative, Maturity Date			2020-08		2020-08
Derivative, Effective Capped Rate	[1]		3.00%		3.00%
Derivative, Index			SIFMA		SIFMA
Derivative, Variable Debt Financing Facility Hedged	[1]		TOB Trusts		M33 TEBS
Derivative, Fair Value - Asset (Liability)					$ 536
Royal Bank of Canada-1 [Member]
Derivative [Line Items]
Derivative, Purchase Date			2015-07		2014-07
Derivative, Notional Amount			$ 27,033,788		$ 30,252,409
Derivative, Maturity Date			2020-08		2019-08
Derivative, Effective Capped Rate	[1]		3.00%		3.00%
Derivative, Index			SIFMA		SIFMA
Derivative, Variable Debt Financing Facility Hedged	[1]		TOB Trusts		M31 TEBS
SMBC Capital Markets, Inc-1 [Member]
Derivative [Line Items]
Derivative, Purchase Date			2015-07		2014-07
Derivative, Notional Amount			$ 27,033,788		$ 30,252,409
Derivative, Maturity Date			2020-08		2019-08
Derivative, Effective Capped Rate	[1]		3.00%		3.00%
Derivative, Index			SIFMA		SIFMA
Derivative, Variable Debt Financing Facility Hedged	[1]		TOB Trusts		M31 TEBS
Barclays Bank PLC 1 [Member]
Derivative [Line Items]
Derivative, Purchase Date			2017-06		2014-07
Derivative, Notional Amount			$ 81,101,364		$ 30,252,409
Derivative, Maturity Date			2020-08		2019-08
Derivative, Effective Capped Rate	[1]		1.50%		3.00%
Derivative, Index			SIFMA		SIFMA
Derivative, Variable Debt Financing Facility Hedged	[1]		TOB Trusts		M31 TEBS
Derivative, Fair Value - Asset (Liability)			$ 4,090
Barclays Bank PLC 2 [Member]
Derivative [Line Items]
Derivative, Purchase Date			2017-09		2017-06
Derivative, Notional Amount			$ 58,090,000		$ 90,757,226
Derivative, Maturity Date			2020-09		2019-08
Derivative, Effective Capped Rate	[1]		4.00%		1.50%
Derivative, Index			SIFMA		SIFMA
Derivative, Variable Debt Financing Facility Hedged	[1]		TOB Trusts		M31 TEBS
Derivative, Fair Value - Asset (Liability)					$ 158,989
Barclays Bank PLC 3 [Member]
Derivative [Line Items]
Derivative, Purchase Date		2019-08	2019-08		2017-06
Derivative, Notional Amount			$ 79,333,280		$ 82,079,066
Derivative, Maturity Date			2024-08		2020-08
Derivative, Effective Capped Rate	[1]		4.50%		1.50%
Derivative, Index			SIFMA		SIFMA
Derivative, Variable Debt Financing Facility Hedged		M31 TEBS	M31 TEBS	[1]	M33 TEBS	[1]
Derivative, Fair Value - Asset (Liability)			$ 6,821		$ 465,983
Royal Bank of Canada-2 [Member]
Derivative [Line Items]
Derivative, Purchase Date					2015-07
Derivative, Notional Amount					$ 27,359,689
Derivative, Maturity Date					2020-08
Derivative, Effective Capped Rate	[1]				3.00%
Derivative, Index					SIFMA
Derivative, Variable Debt Financing Facility Hedged	[1]				M33 TEBS
Derivative, Fair Value - Asset (Liability)					$ 536
SMBC Capital Markets, Inc-2 [Member]
Derivative [Line Items]
Derivative, Purchase Date					2015-07
Derivative, Notional Amount					$ 27,359,689
Derivative, Maturity Date					2020-08
Derivative, Effective Capped Rate	[1]				3.00%
Derivative, Index					SIFMA
Derivative, Variable Debt Financing Facility Hedged	[1]				M33 TEBS
Derivative, Fair Value - Asset (Liability)					$ 536
Barclays Bank PLC4 [Member]
Derivative [Line Items]
Derivative, Purchase Date					2017-09
Derivative, Notional Amount					$ 59,038,000
Derivative, Maturity Date					2020-09
Derivative, Effective Capped Rate	[1]				4.00%
Derivative, Index					SIFMA
Derivative, Variable Debt Financing Facility Hedged	[1]				M24 TEBS
Derivative, Fair Value - Asset (Liability)					$ 53

[1] For additional details, see Note 23 to the Partnership’s consolidated financial statements.