Segment Reporting (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Assets	$ 380,132,433		$ 380,132,433		$ 313,485,992
Rental revenues	5,945,332	$ 1,191,314	11,359,393	$ 1,191,314
Other revenues	258,688	37,408	585,438	37,408
Total revenues	6,204,020	1,228,722	11,944,831	1,228,722
Rental property operating	2,601,147	480,372	4,617,749	480,372
Income from real estate-related loans and securities	1,338,053	140,532	2,691,680	141,388
Unrealized gain (loss) on investments	1,537,626	0	(263,067)	0
Segment net operating income	6,478,553	888,882	9,755,695	889,738
Depreciation and amortization	3,776,152	1,043,275	7,165,817	1,043,275
General and administrative expenses	739,397	278,107	1,389,976	449,398
Performance fee	186,678	0	998,328	0
Interest Expense	1,206,036	683,797	2,622,323	683,797
Net gain (loss)	570,290	(1,116,297)	(2,420,749)	(1,286,732)
Net loss attributable to non-controlling interests	110,054	71,534	214,648	71,534
Net gain (loss) attributable to stockholders	680,344	(1,044,763)	(2,206,101)	(1,215,198)
Operating Segments [Member] | Multifamily [Member]
Segment Reporting Information [Line Items]
Assets	138,664,863		138,664,863		140,841,295
Rental revenues	2,729,859	1,191,314	5,396,680	1,191,314
Other revenues	80,608	37,408	223,235	37,408
Total revenues	2,810,467	1,228,722	5,619,915	1,228,722
Rental property operating	1,272,817	480,372	2,291,119	480,372
Income from real estate-related loans and securities	0	0	0	0
Unrealized gain (loss) on investments	0	0	0	0
Segment net operating income	1,537,650	748,350	3,328,796	748,350
Depreciation and amortization	1,846,889	1,043,275	3,699,891	1,043,275
Operating Segments [Member] | Office [Member]
Segment Reporting Information [Line Items]
Assets	136,388,048		136,388,048		93,629,245
Rental revenues	3,215,473	0	5,962,713	0
Other revenues	178,080	0	362,203	0
Total revenues	3,393,553	0	6,324,916	0
Rental property operating	1,328,330	0	2,326,630	0
Income from real estate-related loans and securities	0	0	0	0
Unrealized gain (loss) on investments	(279,382)	0	(784,302)	0
Segment net operating income	1,785,841	0	3,213,984	0
Depreciation and amortization	1,929,263	0	3,465,926	0
Operating Segments [Member] | Real Estate Related Loans [Member]
Segment Reporting Information [Line Items]
Assets	79,626,985		79,626,985		49,297,799
Rental revenues	0	0	0	0
Other revenues	0	0	0	0
Total revenues	0	0	0	0
Rental property operating	0	0	0	0
Income from real estate-related loans and securities	1,338,053	140,532	2,691,680	141,388
Unrealized gain (loss) on investments	1,817,009	0	521,235	0
Segment net operating income	3,155,062	140,532	3,212,915	141,388
Depreciation and amortization	0	$ 0	0	$ 0
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Assets	$ 25,452,537		$ 25,452,537		$ 29,717,653