Debt - Additional Information (Detail)								3 Months Ended
		Mar. 29, 2019	Aug. 31, 2018 USD ($)	Mar. 31, 2018 USD ($)	Feb. 23, 2018 USD ($) Property Loan	Sep. 28, 2017 USD ($)	Jun. 28, 2017 USD ($)	Mar. 31, 2019 USD ($) Property Loan		Dec. 31, 2018 USD ($)	Oct. 09, 2018 USD ($)
Debt Instrument [Line Items]
Secured debt								$ 205,645,795		$ 203,735,898
Carrying Value								$ 207,900,295
Key Bank [Member]
Debt Instrument [Line Items]
Payment of fees				$ 1,200,000
Nationwide Loan [Member]
Debt Instrument [Line Items]
Secured debt						$ 23,500,000
Loan maturity date						Oct. 01, 2024
Debt instrument, initial interest rate						3.84%
Loan prepayment period after written notice						30 days
Zero prepayment penalty period						6 months
Description of guarantees								We serve as non-recourse guarantor pursuant to the terms and conditions of the Nationwide Loan.
Freddie Mac Utah Loans [Member]
Debt Instrument [Line Items]
Secured debt					$ 46,900,000
Debt term					10 years
Loan maturity date	[1]							Feb. 23, 2028
Debt instrument, initial interest rate					5.06%			5.06%	[1]
Description of guarantees								We serve as non-recourse guarantors pursuant to the terms and conditions of the Freddie Mac Utah Loans. During the term of the Freddie Mac Utah Loans, we are required to maintain a net worth equal to or greater than $15 million and an initial liquidity requirement equal to or greater than $4.8 million. Once the Utah Bridge Loan (defined below) is paid in full, the liquidity requirement will be reduced to $3 million.
Number of property-owning special purpose entities | Property					3
Number of mortgage loans | Loan					3			3
Debt instrument, interest payment period					2 years			2 years
Amortization period					30 years			30 years
Carrying Value	[1]							$ 46,905,000		46,905,000
Freddie Mac Utah Loans [Member] | Minimum [Member]
Debt Instrument [Line Items]
Non-recourse guaranty expiry threshold net worth								15,000,000
Non-recourse guaranty expiry threshold liquidity.								$ 4,800,000
Utah Bridge Loan [Member]
Debt Instrument [Line Items]
Secured debt					$ 24,500,000
Loan maturity date		Apr. 30, 2020			Feb. 23, 2019			Apr. 30, 2020	[2]
Debt instrument, initial interest rate	[2]							6.50%
Debt instrument, description of variable rate								1-month Libor plus 400 basis points
Debt instrument, variable interest rate								4.00%
Loan maturity conditional maturity date								Aug. 23, 2019
Commitment fee percentage on loan principal outstanding								0.50%
Percentage of net proceeds from certain capital events required to be applied								100.00%
Carrying Value	[2]							$ 12,195,108		12,195,108
Utah Bridge Loan [Member] | Key Bank [Member]
Debt Instrument [Line Items]
Proceeds to be applied for loan payment amount								2,700,000
Utah Bridge Loan [Member] | Minimum [Member]
Debt Instrument [Line Items]
Non-recourse guaranty expiry threshold liquidity.								$ 3,000,000
Courtyard Freddie Mac Mortgage Loan [Member]
Debt Instrument [Line Items]
Secured debt			$ 63,200,000
Debt term			10 years
Loan maturity date	[3]							Sep. 01, 2028
Debt instrument, initial interest rate			4.86%					4.86%	[3]
Description of guarantees								We serve as non-recourse guarantors pursuant to the terms and conditions of the Freddie Mac Courtyard Loan. During the term of the Freddie Mac Courtyard Loan, we are required to maintain a net worth equal to or greater than $18.96 million and an initial liquidity requirement equal to or greater than $6.32 million. Once the Courtyard Bridge Loans are paid in full and the Memory Care Expansion (each defined further below) is complete, the liquidity requirement will be reduced to $4.8 million. We are able to reduce each of the foregoing liquidity requirements by an additional amount equal to the amount of the 12-month trailing cash flows of all our properties, up to a maximum reduction of $1.5 million
Debt instrument, interest payment period			4 years					4 years
Amortization period			30 years					30 years
Carrying Value	[3]							$ 63,200,000		63,200,000
Courtyard Freddie Mac Mortgage Loan [Member] | Minimum [Member]
Debt Instrument [Line Items]
Non-recourse guaranty expiry threshold net worth			$ 18,960,000
Non-recourse guaranty expiry threshold liquidity.			6,320,000
Courtyard Freddie Mac Mortgage Loan [Member] | Maximum [Member]
Debt Instrument [Line Items]
Non-recourse guaranty expiry threshold liquidity.			1,500,000
Courtyard Bridge Loans [Member]
Debt Instrument [Line Items]
Loan maturity date								Aug. 31, 2019
Debt instrument, initial interest rate								6.50%
Non-recourse guaranty expiry threshold liquidity.			$ 4,800,000
Debt instrument, description of variable rate								1-month Libor plus 400 basis points
Debt instrument, variable interest rate								4.00%
Loan maturity conditional maturity date								Apr. 30, 2020
Commitment fee percentage on loan principal outstanding								0.50%
Percentage of net proceeds from certain capital events required to be applied								100.00%
Number of memory care units expected to be completed in property acquisition | Property								23
Fayetteville Bridge Loan [Member]
Debt Instrument [Line Items]
Secured debt							$ 22,300,000
Debt instrument, initial interest rate							5.23%
Debt instrument, description of variable rate								1-month Libor plus 400 basis points
Debt instrument, variable interest rate							4.00%
Tallahassee Bridge Loan [Member]
Debt Instrument [Line Items]
Secured debt						$ 17,600,000
Debt instrument, initial interest rate						5.24%
Debt instrument, description of variable rate								1-month Libor plus 400 basis points
Debt instrument, variable interest rate						4.00%
Courtyard Initial Bridge Loan [Member]
Debt Instrument [Line Items]
Loan maturity date	[4]							Aug. 31, 2019
Debt instrument, initial interest rate	[4]							6.50%
Loan maturity conditional maturity date								Apr. 30, 2020
Commitment fee percentage on loan principal outstanding								0.50%
Carrying Value	[4]							$ 27,000,000		27,000,000
Courtyard Delayed Draw Commitment [Member]
Debt Instrument [Line Items]
Loan maturity date	[4]							Aug. 31, 2019
Debt instrument, initial interest rate	[4]							6.50%
Commitment fee percentage on loan principal outstanding								0.50%
Carrying Value	[4]							$ 5,600,187		3,619,820
Credit drawn amount											$ 2,500,000
Unused commitment fee percentage								0.35%
Courtyard Delayed Draw Commitment [Member] | Maximum [Member]
Debt Instrument [Line Items]
Delayed draw commitment, amount								$ 14,000,000
Fayetteville Property [Member] | JPM Mortgage Loan [Member]
Debt Instrument [Line Items]
Secured debt							$ 29,500,000
Debt term							7 years
Loan maturity date							Jul. 01, 2024	Jul. 01, 2024	[5]
Debt instrument, initial interest rate							4.20%	4.20%	[5]
Loan prepayment period after written notice							30 days
Zero prepayment penalty period							90 days
Description of guarantees								We and H. Michael Schwartz, our Chief Executive Officer (our “CEO”), serve as non-recourse guarantors pursuant to the terms and conditions of the JPM Mortgage Loan. The non-recourse guaranty of our CEO will expire, upon request, and be of no further force and effect at such time as we have: (1) a net worth (as defined in the agreement) equal to or greater than $40 million; and (2) liquidity (as defined in the agreement) equal to or greater than $3 million.
Carrying Value	[5]							$ 29,500,000		$ 29,500,000
Fayetteville Property [Member] | JPM Mortgage Loan [Member] | Minimum [Member]
Debt Instrument [Line Items]
Non-recourse guaranty expiry threshold net worth							$ 40,000,000
Non-recourse guaranty expiry threshold liquidity.							$ 3,000,000

[1] 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.

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

[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. 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.

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