Certain Relationships and Related Party Transactions - Schedule of Fees Earned and Expenses Incurred (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Related Party Transaction [Line Items]
Due from related parties	$ 5,380		$ 5,380		$ 13,772
Due to related parties	12,944,582		12,944,582		12,993,287
Advisor
Related Party Transaction [Line Items]
Due from related parties	585		585		291
Due to related parties	10,914,436		10,914,436		10,955,805
Advisor | Asset management fees
Related Party Transaction [Line Items]
Due to related parties					5,238
Fees earned / expenses incurred	459,211	$ 212,613	874,161	$ 310,821
Advisor | Debt financing fees
Related Party Transaction [Line Items]
Fees earned / expenses incurred	137,900		229,950	163,125
Advisor | Organization and offering costs
Related Party Transaction [Line Items]
Due to related parties	8,132,222		8,132,222		8,249,864
Fees earned / expenses incurred	305,335	747,018	629,380	1,428,461
Advisor | Operating expense reimbursements
Related Party Transaction [Line Items]
Due to related parties	2,782,214		2,782,214		2,700,703
Fees earned / expenses incurred	360,699	148,772	766,144	401,260
Advisor | Related Party Acquisition Fees
Related Party Transaction [Line Items]
Fees earned / expenses incurred	846,397		1,456,067	1,018,719
Resource America, Inc.
Related Party Transaction [Line Items]
Due to related parties	13,629		13,629		26,593
Resource America, Inc. | RAI and affiliate - insurance funds held in escrow
Related Party Transaction [Line Items]
Due from related parties	4,386		4,386		12,799
Resource America, Inc. | Internal audit fee
Related Party Transaction [Line Items]
Due to related parties	13,000		13,000		11,750
Resource America, Inc. | Operating expense reimbursements
Related Party Transaction [Line Items]
Due to related parties	629		629		14,843
Resource Securities
Related Party Transaction [Line Items]
Due from related parties	409		409		682
Due to related parties	1,919,410		1,919,410		1,897,260
Resource Securities | Selling commissions and dealer-manager fees
Related Party Transaction [Line Items]
Due to related parties	6,050		6,050		78,705
Fees earned / expenses incurred	277,917	568,559	1,098,082	1,222,695
Resource Securities | Distribution and shareholder servicing fee
Related Party Transaction [Line Items]
Due to related parties	1,913,360		1,913,360		1,818,555
Fees earned / expenses incurred	71,313	305,130	495,170	659,906
Manager
Related Party Transaction [Line Items]
Due from related parties	585		585		291
Due to related parties	97,107		97,107		113,629
Manager | Asset management fees
Related Party Transaction [Line Items]
Due to related parties	52,848		52,848		50,912
Fees earned / expenses incurred	171,388	77,952	330,476	115,670
Manager | Operating expense reimbursements
Related Party Transaction [Line Items]
Due to related parties	44,259		44,259		$ 62,717
Manager | Construction management fees
Related Party Transaction [Line Items]
Fees earned / expenses incurred	72,902	12,318	114,469	28,166
Manager | Internal audit fee
Related Party Transaction [Line Items]
Fees earned / expenses incurred	13,000	11,750	24,750	15,250
Manager | Operating expense reimbursements
Related Party Transaction [Line Items]
Fees earned / expenses incurred	7,454	$ 23,209	37,925	26,397
The Planning and Zoning Resource Company
Related Party Transaction [Line Items]
Fees earned / expenses incurred	$ 1,565		$ 2,716	$ 1,980