Debt - Additional Information (Detail)											3 Months Ended		6 Months Ended
		Nov. 13, 2020 USD ($)	Jul. 22, 2020 USD ($)	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 ($)	Jun. 30, 2021 USD ($) Loan		Jun. 30, 2021 USD ($) Property Loan		Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Secured debt											$ 204,828,214		$ 204,828,214			$ 206,839,694
Repayment of loan															$ 2,099,934
Carrying value											$ 206,318,294		$ 206,318,294
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]	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		3
Debt instrument, interest payment period								2 years					2 years
Amortization period								30 years					30 years
Carrying value	[1]										$ 46,101,744		$ 46,101,744			46,397,936
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.			$ 3,000,000.0										4,800,000
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
Freddie Mac Courtyard Loan [Member]
Debt Instrument [Line Items]
Secured debt							$ 63,200,000
Debt term							10 years
Loan maturity date	[2]												Sep. 01, 2028
Debt instrument, initial interest rate							4.86%				4.86%	[2]	4.86%	[2]
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	[2]										$ 63,200,000		$ 63,200,000			63,200,000
Freddie Mac Courtyard Loan [Member] | Minimum [Member]
Debt Instrument [Line Items]
Non-recourse guaranty expiry threshold net worth							$ 18,960,000
Non-recourse guaranty expiry threshold liquidity.			$ 3,000,000.0				6,320,000
Freddie Mac Courtyard 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											4.25%		4.25%
Non-recourse guaranty expiry threshold liquidity.							$ 4,800,000
Commitment fee percentage on loan principal outstanding													0.50%
Debt instrument, variable interest rate													4.00%
Debt instrument, description of variable rate													1-month LIBOR plus 400 basis points
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
KeyBank Utah Bridge Loan [Member]
Debt Instrument [Line Items]
Secured debt								$ 24,500,000
Loan maturity date						Apr. 30, 2020		Feb. 23, 2019					Apr. 30, 2022	[3]
Debt instrument, initial interest rate	[3]										4.25%		4.25%
Loan maturity conditional maturity date													Aug. 23, 2019
Commitment fee percentage on loan principal outstanding													0.50%
Debt instrument, variable interest rate													4.00%
Debt instrument, description of variable rate													1-month LIBOR plus 400 basis points
Percentage of net proceeds from certain capital events required to be applied													100.00%
Proceeds to be applied for loan payment amount													$ 7,100,000
Carrying value	[3]										$ 5,035,595		$ 5,035,595			5,035,595
KeyBank Bridge Loans Amendment [Member]
Debt Instrument [Line Items]
Loan maturity date		Apr. 30, 2022
Commitment fee percentage on loan principal outstanding		0.50%
Repayment of loan		$ 1,000,000.0
Debt instrument, repayment description													We were required to pay $1.0 million of the balance of the loan at signing of the Fifth Amendment, along with a fee equal to 0.50% of the then-outstanding principal balance of the loan. If the balance of the KeyBank Bridge Loans has not been reduced to $20 million within six months of closing the Fifth Amendment, we will be required to pay a monthly fee of 0.05% of the loan balance above $20 million until such reduction is reached. Additionally, if the balance of the KeyBank Bridge Loans has not been reduced to $20 million by October 31, 2021, we will be required to make principal payments of $50,000 per month until such reduction is reached. The interest rate on the KeyBank Bridge Loans is also now subject to a minimum LIBOR of 0.25%. Pursuant to the Fifth Amendment, we are also required to fund a reserve comprised of six months of interest payments, which may be utilized but must generally be replenished.
KeyBank Bridge Loans Amendment [Member] | If Balance of Loans not Reduced to $20 Million within Six Months of Closing Fifth Amendment [Member]
Debt Instrument [Line Items]
Monthly fee		0.05%
KeyBank Bridge Loans Amendment [Member] | Principal Amount Monthly Payment, If Balance of Loans not Reduced to $20 Million by October 1, 2021 [Member]
Debt Instrument [Line Items]
Repayment of loan		$ 50,000
KeyBank Bridge Loans Amendment [Member] | Minimum [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate		0.25%
KeyBank Courtyard Initial Bridge Loan [Member]
Debt Instrument [Line Items]
Loan maturity date	[3]												Apr. 30, 2022
Debt instrument, initial interest rate	[3]										4.25%		4.25%
Carrying value	[3]										$ 27,000,000		$ 27,000,000			27,000,000
KeyBank Courtyard Delayed Draw Commitment [Member]
Debt Instrument [Line Items]
Loan maturity date	[3]												Apr. 30, 2022
Debt instrument, initial interest rate	[3]										4.25%		4.25%
Carrying value	[3]										$ 11,980,955		$ 11,980,955			11,980,955
KeyBank Courtyard Delayed Draw Commitment [Member] | Maximum [Member]
Debt Instrument [Line Items]
Delayed draw commitment, amount											$ 14,000,000		$ 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]	1.00%	[4]
Carrying value	[4]															1,950,000
Debt forgiveness and the related accrued interest											$ 2,000,000.0
KeyBank Bridge Loans [Member]
Debt Instrument [Line Items]
Loan maturity date													Apr. 30, 2022
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]	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			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
Tallahassee Property [Member] | Nationwide Loan [Member]
Debt Instrument [Line Items]
Secured debt									$ 23,500,000
Loan maturity date									Oct. 01, 2024				Oct. 01, 2024	[5]
Debt instrument, initial interest rate									3.84%		3.84%	[5]	3.84%	[5]
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.
Carrying value	[5]										$ 23,500,000		$ 23,500,000			$ 23,500,000

[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] 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.

[3] The variable rate reflected in the table was the rate in effect as of June 30, 2021. 

[4] Represents the aggregate of four unsecured promissory notes under the Paycheck Protection Program (the “PPP”). During the three months ended June 30, 2021 our applications for forgiveness for all of the PPP loans were accepted and we recognized approximately $2.0 million in debt forgiveness and the related accrued interest in other income in our accompanying consolidated statements of operations.

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