Investments in Unconsolidated Entities - Summary of Investments in Unconsolidated Entities (Details)	3 Months Ended
	Mar. 31, 2021 USD ($) Unit	Dec. 31, 2020 USD ($)
Schedule Of Equity Method Investments [Line Items]
Units | Unit	3,468
Carrying Value	$ 94,664,865	$ 106,878,570
Maximum Remaining Equity Commitment	$ 16,303,866
Vantage At Powdersville [Member] | Powdersville S C [Member]
Schedule Of Equity Method Investments [Line Items]
Units | Unit	288
Month Commitment Executed	November 2017
Construction Completion Date	2020-02
Carrying Value	$ 12,295,801	12,295,801
Vantage At Stone Creek [Member] | Omaha, NE [Member]
Schedule Of Equity Method Investments [Line Items]
Units | Unit	294
Month Commitment Executed	March 2018
Construction Completion Date	2020-04
Carrying Value	$ 7,840,500	7,840,500
Vantage At Bulverde [Member] | Bulverde T X [Member]
Schedule Of Equity Method Investments [Line Items]
Units | Unit	288
Month Commitment Executed	March 2018
Construction Completion Date	2019-08
Carrying Value	$ 10,570,000	10,570,000
Vantage At Germantown [Member] | Germantown, TN [Member]
Schedule Of Equity Method Investments [Line Items]
Units | Unit	288
Month Commitment Executed	June 2018
Construction Completion Date	2020-03
Carrying Value		12,425,000
Vantage At Murfreesboro [Member] | Murfreesboro, TN [Member]
Schedule Of Equity Method Investments [Line Items]
Units | Unit	288
Month Commitment Executed	September 2018
Construction Completion Date	2020-10
Carrying Value	$ 12,390,012	14,640,000
Vantage At Coventry [Member] | Omaha, NE [Member]
Schedule Of Equity Method Investments [Line Items]
Units | Unit	294
Month Commitment Executed	September 2018
Construction Completion Date	2021-02
Carrying Value	$ 9,007,435	9,007,435
Vantage At O'Connor [Member] | San Antonio, TX [Member]
Schedule Of Equity Method Investments [Line Items]
Units | Unit	288
Month Commitment Executed	October 2019
Carrying Value	$ 8,453,760	8,245,890
Vantage At Conroe [Member] | Conroe T X [Member]
Schedule Of Equity Method Investments [Line Items]
Units | Unit	288
Month Commitment Executed	April 2019
Construction Completion Date	2021-01
Carrying Value	$ 10,669,242	10,406,895
Vantage At Westover Hills [Member] | San Antonio, TX [Member]
Schedule Of Equity Method Investments [Line Items]
Units | Unit	288
Month Commitment Executed	January 2020
Carrying Value	$ 8,223,758	8,021,544
Vantage At Tomball [Member] | Tomball TX [Member]
Schedule Of Equity Method Investments [Line Items]
Units | Unit	288
Month Commitment Executed	August 2020
Carrying Value	$ 10,964,487	9,280,134
Vantage At Hutto [Member] | Hutto TX [Member]
Schedule Of Equity Method Investments [Line Items]
Units | Unit	288
Month Commitment Executed	November 2020
Carrying Value	$ 3,243,428	3,163,676
Maximum Remaining Equity Commitment	$ 7,359,952
Vantage At San Marcos [Member] | San Marcos TX [Member]
Schedule Of Equity Method Investments [Line Items]
Units | Unit	288
Month Commitment Executed	November 2020
Carrying Value	$ 1,006,442	$ 981,695
Maximum Remaining Equity Commitment	$ 8,943,914