Debt - Additional Information (Detail)									3 Months Ended	6 Months Ended
		May 14, 2020 USD ($)	Feb. 27, 2020	Mar. 29, 2019	Aug. 31, 2018 USD ($)	Feb. 23, 2018 USD ($) Property Loan	Sep. 28, 2017 USD ($)	Jun. 28, 2017 USD ($)	Mar. 31, 2020	Jun. 30, 2020 USD ($) Property Loan		Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Secured debt										$ 208,105,911		$ 208,418,809
Carrying Value										209,892,708
Future principal payment, 2020										403,710
Future principal payment, 2021										46,682,624
Future principal payment, 2022										$ 1,919,733
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]									$ 46,726,158		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, 2021	Apr. 30, 2020		Feb. 23, 2019				Apr. 30, 2021	[2]
Debt instrument, initial interest rate	[2]									4.19%
Loan maturity conditional maturity date										Aug. 23, 2019
Commitment fee percentage on loan principal outstanding										0.50%
Debt instrument, description of variable rate										1-month Libor plus 400 basis points
Debt instrument, variable interest rate										4.00%
Percentage of net proceeds from certain capital events required to be applied										100.00%
Carrying Value	[2]									$ 5,535,595		7,635,529
Utah Bridge Loan [Member] | Key Bank [Member]
Debt Instrument [Line Items]
Proceeds to be applied for loan payment amount										7,100,000
Utah Bridge Loan [Member] | Minimum [Member]
Debt Instrument [Line Items]
Non-recourse guaranty expiry threshold liquidity.										$ 3,000,000
Freddie Mac Cottonwood Loan [Member]
Debt Instrument [Line Items]
Secured debt						$ 9,337,000
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			Apr. 30, 2021							Apr. 30, 2020
Debt instrument, initial interest rate										4.19%
Non-recourse guaranty expiry threshold liquidity.					$ 4,800,000
Commitment fee percentage on loan principal outstanding										0.50%
Debt instrument, description of variable rate										1-month Libor plus 400 basis points
Debt instrument, variable interest rate										4.00%
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
Courtyard Initial Bridge Loan [Member]
Debt Instrument [Line Items]
Loan maturity date	[2]									Apr. 30, 2021
Debt instrument, initial interest rate	[2]									4.19%
Carrying Value	[2]									$ 27,000,000		27,000,000
Courtyard Delayed Draw Commitment [Member]
Debt Instrument [Line Items]
Loan maturity date	[2]									Apr. 30, 2021
Debt instrument, initial interest rate	[2]									4.19%
Carrying Value	[2]									$ 12,480,955		12,480,955
Courtyard Delayed Draw Commitment [Member] | Maximum [Member]
Debt Instrument [Line Items]
Delayed draw commitment, amount										$ 14,000,000
PPP Loans [Member]
Debt Instrument [Line Items]
Secured debt		$ 1,950,000
Debt term		2 years
Loan maturity date	[4]									May 14, 2022
Debt instrument, initial interest rate		1.00%								1.00%	[4]
Carrying Value	[4]									$ 1,950,000
Future principal payment, 2020										100,000
Future principal payment, 2021										1,000,000.0
Future principal payment, 2022										$ 900,000
KeyBank Bridge Loans [Member]
Debt Instrument [Line Items]
Loan maturity date										Apr. 30, 2021
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 June 30, 2020. 

[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] Represents the aggregate of four unsecured promissory notes under the Paycheck Protection Program (the “PPP”). Fixed rate debt with no payments for the first six months, then principal and interest due monthly thereafter with the remaining principal and interest balances due on May 14, 2022 for one of the loans and May 15, 2022 for the other three loans with respect to any portion of such loan which is not forgiven pursuant to the terms of the CARES Act. We intend to apply for forgiveness for the PPP Loans.

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