Commitments and Contingencies - Summary of Partnership's Maximum Exposure Under Guarantee Agreements (Details)	9 Months Ended
	Sep. 30, 2019 USD ($)
Long-term Purchase Commitment [Line Items]
Partnership's Maximum Exposure as of September 30, 2019	$ 36,000,000
Vantage At Stone Creek [Member]
Long-term Purchase Commitment [Line Items]
Year the Guarantee was Executed	2018
Maximum Balance Available on Construction Loan	$ 30,824,000
Construction Loan Balance as of September 30, 2019	24,826,510
Partnership's Maximum Exposure as of September 30, 2019	$ 24,826,510
Guarantee Terms	1 year
Vantage At Coventry [Member]
Long-term Purchase Commitment [Line Items]
Year the Guarantee was Executed	2018
Maximum Balance Available on Construction Loan	$ 31,500,000
Construction Loan Balance as of September 30, 2019	5,275,651
Partnership's Maximum Exposure as of September 30, 2019	$ 5,275,651
Guarantee Terms	1 year
Ohio Properties [Member]
Long-term Purchase Commitment [Line Items]
Year the Guarantee was Executed	2011
Partnership's Maximum Exposure as of September 30, 2019	$ 3,712,436
End of Guarantee Period	2026
Greens of Pine Glen [Member]
Long-term Purchase Commitment [Line Items]
Year the Guarantee was Executed	2012
Partnership's Maximum Exposure as of September 30, 2019	$ 2,429,658
End of Guarantee Period	2027