Debt - Schedule of Company's Outstanding Debt (Detail) - USD ($)						3 Months Ended
		Mar. 29, 2019	Feb. 23, 2018	Sep. 28, 2017	Jun. 28, 2017	Mar. 31, 2019		Dec. 31, 2018	Aug. 31, 2018
Debt Instrument [Line Items]
Carrying Value						$ 207,900,295
Debt issuance costs, net						(2,254,500)		$ (2,184,030)
Total debt						205,645,795		203,735,898
JPM Mortgage Loan [Member] | Fayetteville Property [Member]
Debt Instrument [Line Items]
Carrying Value	[1]					$ 29,500,000		29,500,000
Debt instrument, initial interest rate					4.20%	4.20%	[1]
Maturity Date					Jul. 01, 2024	Jul. 01, 2024	[1]
Nationwide Loan [Member]
Debt Instrument [Line Items]
Debt instrument, initial interest rate				3.84%
Maturity Date				Oct. 01, 2024
Nationwide Loan [Member] | Tallahassee Property [Member]
Debt Instrument [Line Items]
Carrying Value	[1]					$ 23,500,000		23,500,000
Debt instrument, initial interest rate	[1]					3.84%
Maturity Date	[1]					Oct. 01, 2024
Freddie Mac Utah Loans [Member]
Debt Instrument [Line Items]
Carrying Value	[2]					$ 46,905,000		46,905,000
Debt instrument, initial interest rate			5.06%			5.06%	[2]
Maturity Date	[2]					Feb. 23, 2028
Courtyard Freddie Mac Mortgage Loan [Member]
Debt Instrument [Line Items]
Carrying Value	[3]					$ 63,200,000		63,200,000
Debt instrument, initial interest rate						4.86%	[3]		4.86%
Maturity Date	[3]					Sep. 01, 2028
Utah Bridge Loan [Member]
Debt Instrument [Line Items]
Carrying Value	[4]					$ 12,195,108		12,195,108
Debt instrument, initial interest rate	[4]					6.50%
Maturity Date		Apr. 30, 2020	Feb. 23, 2019			Apr. 30, 2020	[4]
Courtyard Initial Bridge Loan [Member]
Debt Instrument [Line Items]
Carrying Value	[5]					$ 27,000,000		27,000,000
Debt instrument, initial interest rate	[5]					6.50%
Maturity Date	[5]					Aug. 31, 2019
Courtyard Delayed Draw Commitment [Member]
Debt Instrument [Line Items]
Carrying Value	[5]					$ 5,600,187		$ 3,619,820
Debt instrument, initial interest rate	[5]					6.50%
Maturity Date	[5]					Aug. 31, 2019

[1] Fixed rate debt with interest only payments due monthly and the principal balance due upon maturity.

[2] Represents the aggregate of three separate mortgage loans for the three senior housing properties acquired in Utah. Fixed rate debt with interest only payments due monthly for the first two years, then principal and interest on a 30-year amortization schedule thereafter.

[3] Fixed rate debt with interest only payments due monthly for the first four years, then principal and interest on a 30-year amortization schedule thereafter.

[4] The variable rate reflected in the table was the rate in effect as of March 31, 2019. 

[5] The variable rate reflected in the table was the rate in effect as of March 31, 2019. The loan may be extended eight months from the maturity date upon the payment of a fee equal to 0.50% of the outstanding principal balance of the loan at the time of such extension and certain other terms are met, such as there has not been an event of default.