Investments in Unconsolidated Entities - Additional Information (Details) - USD ($)	1 Months Ended			3 Months Ended			9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Mar. 31, 2018	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Apr. 30, 2019	Jun. 30, 2018
Schedule Of Equity Method Investments [Line Items]
Income on sale of properties						$ 4,051,429		$ 4,051,429
Gain on sale of investment					$ 10,475,927		$ 10,475,927
Vantage At Panama City Beach [Member]
Schedule Of Equity Method Investments [Line Items]
Cash received	$ 22,700,000
Income on sale of properties	547,000
Gain on sale of investment	$ 10,500,000
Vantage At Panama City Beach [Member] | Maximum [Member] | Scenario Forecast [Member]
Schedule Of Equity Method Investments [Line Items]
Cash received				$ 325,000
Vantage At Conroe [Member]
Schedule Of Equity Method Investments [Line Items]
Equity commitment of fund construction									$ 9,000,000
Vantage At Stone Creek [Member]
Schedule Of Equity Method Investments [Line Items]
Payments to equity commitments			$ 7,100,000
Vantage At Bulverde [Member]
Schedule Of Equity Method Investments [Line Items]
Payments to equity commitments			$ 8,600,000
Vantage At Germantown [Member]
Schedule Of Equity Method Investments [Line Items]
Equity commitment of fund construction										$ 10,400,000
Vantage At Coventry [Member]
Schedule Of Equity Method Investments [Line Items]
Payments to equity commitments		$ 8,100,000
Vantage At Murfreesboro [Member]
Schedule Of Equity Method Investments [Line Items]
Payments to equity commitments		$ 12,200,000