Debt Financing - Schedule of Total Debt Financing (Parenthetical) (Details)		12 Months Ended
		Dec. 31, 2021 USD ($) Swap		Dec. 31, 2020 USD ($) Swap
Debt Instrument [Line Items]
Effective net interest rate		4.33%
Debt financing		$ 820,078,714		$ 673,957,640
Secured Line Of Credit Facility [Member]
Debt Instrument [Line Items]
Number of return swap transactions | Swap		2
Fixed - M45 [Member] | Interest Rate Through July 31, 2023 [Member]
Debt Instrument [Line Items]
Interest rate		3.82%		3.82%
Fixed - M45 [Member] | Interest Rate from August 1, 2023 [Member]
Debt Instrument [Line Items]
Interest rate		4.39%		4.39%
Total Return Swaps [Member] | Secured Line Of Credit Facility [Member]
Debt Instrument [Line Items]
Number of return swap transactions | Swap		2		2
Total Return Swap One [Member] | Secured Line Of Credit Facility [Member]
Debt Instrument [Line Items]
Effective net interest rate		4.25%		4.25%
Debt financing		$ 39,600,000		$ 40,000,000.0
Total Return Swap Two [Member] | Secured Line Of Credit Facility [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.00%		1.00%
Debt financing		$ 63,500,000		$ 63,500,000
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.35%		1.63%
Debt financing		$ 347,726,750		$ 193,151,198
Reset Frequency		Weekly		Weekly
Variable Rate Index		SIFMA/OBFR		SIFMA/OBFR
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Live 929 Apartments [Member] | Mizuho Capital Markets [Member] | Series A [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.89%		1.95%
Debt financing		$ 31,564,286		$ 31,553,785
Year Acquired		2019		2019
Stated Maturities		2023-07		2023-07
Reset Frequency		Weekly		Weekly
Variable Rate Index		SIFMA		SIFMA
Index Based Rates		0.23%		0.29%
Spread/ Facility Fees		1.66%		1.66%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Montecito at Williams Ranch - Series A [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.40%		1.46%
Debt financing		$ 6,919,404		$ 6,915,682
Year Acquired		2019		2019
Stated Maturities		2023-07		2023-07
Reset Frequency		Weekly		Weekly
Variable Rate Index		SIFMA		SIFMA
Index Based Rates		0.23%		0.29%
Spread/ Facility Fees		1.17%		1.17%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Rosewood Townhomes - Series A [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate				1.56%
Debt financing				$ 7,691,507
Year Acquired				2019
Stated Maturities				2023-07
Reset Frequency				Weekly
Variable Rate Index				SIFMA
Index Based Rates				0.39%
Spread/ Facility Fees				1.17%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | South Pointe Apartments - Series A [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate				1.46%
Debt financing				$ 17,976,559
Year Acquired				2019
Stated Maturities				2023-07
Reset Frequency				Weekly
Variable Rate Index				SIFMA
Index Based Rates				0.29%
Spread/ Facility Fees				1.17%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Vineyard Gardens - Series A [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.40%		1.46%
Debt financing		$ 3,590,598		$ 3,587,685
Year Acquired		2019		2019
Stated Maturities		2023-07		2023-07
Reset Frequency		Weekly		Weekly
Variable Rate Index		SIFMA		SIFMA
Index Based Rates		0.23%		0.29%
Spread/ Facility Fees		1.17%		1.17%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Avistar at Copperfield - Series A [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.97%		2.06%
Debt financing		$ 11,617,039		$ 11,729,379
Year Acquired		2020		2020
Stated Maturities		2023-07		2023-07
Reset Frequency		Weekly		Weekly
Variable Rate Index		SIFMA		SIFMA
Index Based Rates		0.30%		0.39%
Spread/ Facility Fees		1.67%		1.67%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Avistar at Wilcrest - Series A [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.97%		2.06%
Debt financing		$ 4,392,032		$ 4,433,372
Year Acquired		2020		2020
Stated Maturities		2023-07		2023-07
Reset Frequency		Weekly		Weekly
Variable Rate Index		SIFMA		SIFMA
Index Based Rates		0.30%		0.39%
Spread/ Facility Fees		1.67%		1.67%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Avistar at Wood Hollow - Series A [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.97%		2.06%
Debt financing		$ 33,446,044		$ 33,776,383
Year Acquired		2020		2020
Stated Maturities		2023-07		2023-07
Reset Frequency		Weekly		Weekly
Variable Rate Index		SIFMA		SIFMA
Index Based Rates		0.30%		0.39%
Spread/ Facility Fees		1.67%		1.67%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Gateway Village [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.97%		2.06%
Debt financing		$ 2,177,527		$ 2,173,253
Year Acquired		2020		2020
Stated Maturities		2023-07		2023-07
Reset Frequency		Weekly		Weekly
Variable Rate Index		SIFMA		SIFMA
Index Based Rates		0.30%		0.39%
Spread/ Facility Fees		1.67%		1.67%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Lynnhaven [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.97%		2.06%
Debt financing		$ 2,891,534		$ 2,887,257
Year Acquired		2020		2020
Stated Maturities		2023-07		2023-07
Reset Frequency		Weekly		Weekly
Variable Rate Index		SIFMA		SIFMA
Index Based Rates		0.30%		0.39%
Spread/ Facility Fees		1.67%		1.67%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Montevista - Series A [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.50%		1.56%
Debt financing		$ 5,674,091		$ 5,668,324
Year Acquired		2020		2020
Stated Maturities		2023-12		2023-12
Reset Frequency		Weekly		Weekly
Variable Rate Index		SIFMA		SIFMA
Index Based Rates		0.23%		0.29%
Spread/ Facility Fees		1.27%		1.27%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Ocotillo Springs Series A [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.12%		1.18%
Debt financing		$ 13,482,312		$ 1,765,167
Year Acquired		2020		2020
Stated Maturities		2022-07		2022-07
Reset Frequency		Weekly		Weekly
Variable Rate Index		SIFMA		SIFMA
Index Based Rates		0.23%		0.29%
Spread/ Facility Fees		0.89%		0.89%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Trust 2020-XF2907 [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.07%	[1]	1.22%	[2]
Debt financing		$ 96,297,732	[1]	$ 58,353,917	[2]
Year Acquired		2020	[1]	2020	[2]
Stated Maturities		2023-09	[1]	2023-09	[2]
Reset Frequency		Weekly	[1]	Weekly	[2]
Variable Rate Index		OBFR	[1]	OBFR	[2]
Index Based Rates		0.18%	[1]	0.33%	[2]
Spread/ Facility Fees		0.89%	[1]	0.89%	[2]
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Trust 2020-XF2908 [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.07%	[3]	1.22%	[4]
Debt financing		$ 18,845,580	[3]	$ 4,638,928	[4]
Year Acquired		2020	[3]	2020	[4]
Stated Maturities		2023-09	[3]	2023-09	[4]
Reset Frequency		Weekly	[3]	Weekly	[4]
Variable Rate Index		OBFR	[3]	OBFR	[4]
Index Based Rates		0.18%	[3]	0.33%	[4]
Spread/ Facility Fees		0.89%	[3]	0.89%	[4]
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Hope On Avalon [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.65%
Debt financing		$ 7,931,925
Year Acquired		2021
Stated Maturities		2023-02
Reset Frequency		Weekly
Variable Rate Index		SIFMA
Index Based Rates		0.23%
Spread/ Facility Fees		1.42%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Hope On Broadway [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.65%
Debt financing		$ 2,919,748
Year Acquired		2021
Stated Maturities		2023-02
Reset Frequency		Weekly
Variable Rate Index		SIFMA
Index Based Rates		0.23%
Spread/ Facility Fees		1.42%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Jackson Manor [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate		1.50%
Debt financing		$ 4,133,705
Year Acquired		2021
Stated Maturities		2023-04
Reset Frequency		Weekly
Variable Rate Index		SIFMA
Index Based Rates		0.23%
Spread/ Facility Fees		1.27%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Trust 2021-XF-2953 [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate	[5]	1.41%
Debt financing	[5]	$ 3,139,698
Year Acquired	[5]	2021
Stated Maturities	[5]	2022-10
Reset Frequency	[5]	Weekly
Variable Rate Index	[5]	OBFR
Index Based Rates	[5]	0.14%
Spread/ Facility Fees	[5]	1.27%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Trust 2021-XF2926 [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate	[6]	1.07%
Debt financing	[6]	$ 71,519,933
Year Acquired	[6]	2021
Stated Maturities	[6]	2024-01
Reset Frequency	[6]	Weekly
Variable Rate Index	[6]	OBFR
Index Based Rates	[6]	0.18%
Spread/ Facility Fees	[6]	0.89%
Variable - TOB [Member] | TOB & Term A/B Trusts Securitization [Member] | Trust 2021-XF2939 [Member] | Mizuho Capital Markets [Member]
Debt Instrument [Line Items]
Effective net interest rate	[7]	1.34%
Debt financing	[7]	$ 27,183,562
Year Acquired	[7]	2021
Stated Maturities	[7]	2024-07
Reset Frequency	[7]	Weekly
Variable Rate Index	[7]	OBFR
Index Based Rates	[7]	0.18%
Spread/ Facility Fees	[7]	1.16%

[1] The TOB Trust is securitized by the Scharbauer Flats Apartments, Oasis at Twin Lakes, and Centennial Crossings GILs.

[2] The TOB Trust is securitized by the Scharbauer Flats Apartments, Oasis at Twin Lakes, and Centennial Crossings GILs.

[3] The TOB Trust is securitized by the Scharbauer Flats Apartments and Centennial Crossings property loans.

[4] The TOB Trust is securitized by the Scharbauer Flats Apartments and Centennial Crossings property loans.

[5] The TOB Trust is securitized by the Willow Place GIL and property loan.

[6] The TOB Trust is securitized by the Legacy Commons at Signal Hills GIL and property loan, the Hilltop at Signal Hills GIL and property loan, Hope on Avalon taxable GIL, and the Oasis at Twin Lakes property loan.

[7] The TOB trust is securitized by the Residency at the Mayer MRB and taxable MRB, the Ocotillo Springs taxable MRB, and the Osprey Village GIL and property loan.