Mortgage Notes Payable - Schedule of Mortgage Note Payable (Details)	12 Months Ended
	Jun. 30, 2021 USD ($) Numbers	Jun. 30, 2020 USD ($) Numbers
Debt Disclosure [Line Items]
Total mortgage notes payable - Hotel	$ 110,134,000	$ 111,446,000
Total mortgage notes payable - real estate	70,259,000	65,612,000
Mortgage Notes Payable Hotel [Member]
Debt Disclosure [Line Items]
Mortgage notes payable - Hotel	110,745,000	112,292,000
Total mortgage notes payable - Hotel	110,134,000	111,396,000
Debt issuance costs	(611,000)	(896,000)
Mortgage Notes Payable Real Estate [Member]
Debt Disclosure [Line Items]
Mortgage notes payable - real estate	70,885,000	66,059,000
Debt issuance costs	(626,000)	(447,000)
Total mortgage notes payable - real estate	$ 70,259,000	$ 65,612,000
5.28% SF Hotel [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	544	544
Interest Rate	5.28%	5.28%
Mortgage notes payable - Hotel	$ 90,745,000	$ 92,292,000
5.28% SF Hotel [Member]
Debt Disclosure [Line Items]
Origination Date	December 2013	December 2013
Maturity Date	January 2024	January 2024
7.25% SF Hotel [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	544	544
Interest Rate	7.25%	7.25%
Mortgage notes payable - Hotel	$ 20,000,000	$ 20,000,000
7.25% SF Hotel [Member]
Debt Disclosure [Line Items]
Origination Date	July 2019	July 2019
Maturity Date	January 2024	January 2024
3.87% Florence [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	157	157
Origination Date	March 2015	March 2015
Maturity Date	April 2025	April 2025
Interest Rate	3.87%	3.87%
Mortgage notes payable - real estate	$ 3,076,000	$ 3,150,000
3.73% Las Colinas [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	358	358
Origination Date	November 2012	November 2012
Maturity Date	December 2022	December 2022
Interest Rate	3.73%	3.73%
Mortgage notes payable - real estate	$ 16,065,000	$ 16,529,000
3.17% Morris County [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	151	151
Origination Date	April 2020	April 2020
Maturity Date	May 2030	May 2030
Interest Rate	3.17%	3.17%
Mortgage notes payable - real estate	$ 17,975,000	$ 18,341,000
4.05% St Louis [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	264	264
Origination Date	May 2013	May 2013
Maturity Date	May 2023	May 2023
Interest Rate	4.05%	4.05%
Mortgage notes payable - real estate	$ 5,100,000	$ 5,236,000
3.75% Los Angeles One[Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	4	4
Origination Date	September 2012	September 2012
Maturity Date	September 2042	September 2042
Interest Rate	3.75%	3.75%
Mortgage notes payable - real estate	$ 323,000	$ 333,000
3.75% Los Angeles Two [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	2	2
Origination Date	September 2012	September 2012
Maturity Date	September 2042	September 2042
Interest Rate	3.75%	3.75%
Mortgage notes payable - real estate	$ 327,000	$ 337,000
3.50% Los Angeles [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers		1
Origination Date	June 2021
Maturity Date	August 2051
Interest Rate		3.50%
Mortgage notes payable - real estate		$ 920,000
2.52% Los Angeles [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	31
Origination Date	October 2020
Maturity Date	November 2030
Interest Rate	2.52%
Mortgage notes payable - real estate	$ 8,400,000
5.97% Los Angeles [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	30	30
Origination Date	August 2007	August 2007
Maturity Date	September 2022	September 2022
Interest Rate	5.97%	5.97%
Mortgage notes payable - real estate	$ 5,453,000	$ 5,614,000
3.05% Los Angeles [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	14
Origination Date	January 2021
Maturity Date	February 2031
Interest Rate	3.05%
Mortgage notes payable - real estate	$ 2,761,000
3.59% Los Angeles [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	12
Origination Date	June 2016	June 2016
Maturity Date	June 2026	June 2026
Interest Rate	3.59%
Mortgage notes payable - real estate	$ 2,077,000
3.09% Los Angeles [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	9	9
Origination Date	June 2020	June 2020
Maturity Date	July 2030	July 2030
Interest Rate	3.09%	3.09%
Mortgage notes payable - real estate	$ 2,552,000	$ 2,600,000
3.05% Los Angeles [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	9
Origination Date	November 2020
Maturity Date	December 2030
Interest Rate	3.05%
Mortgage notes payable - real estate	$ 1,975,000
3.75% Los Angeles Three [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	8	1
Origination Date	July 2013	August 2012
Maturity Date	July 2043	September 2042
Interest Rate	3.75%	3.75%
Mortgage notes payable - real estate	$ 416,000	$ 363,000
3.75% Los Angeles Four [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	7	8
Origination Date	August 2012	July 2013
Maturity Date	September 2042	July 2043
Interest Rate	3.75%	3.75%
Mortgage notes payable - real estate	$ 798,000	$ 428,000
3.50% Los Angeles [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	4
Origination Date	June 2021
Maturity Date	August 2051
Interest Rate	3.50%
Mortgage notes payable - real estate	$ 1,155,000
3.50% Los Angeles [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	1
Origination Date	June 2021
Maturity Date	August 2051
Interest Rate	3.50%
Mortgage notes payable - real estate	$ 555,000
4.75% Los Angeles [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers	1	1
Interest Rate	4.75%	4.75%
Mortgage notes payable - real estate	$ 957,000	$ 974,000
4.75% Los Angeles [Member]
Debt Disclosure [Line Items]
Origination Date	September 2018	September 2012
Maturity Date	October 2048	October 2042
4.85% Los Angeles [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers		31
Origination Date		November 2010
Maturity Date		December 2020
Interest Rate		4.85%
Mortgage notes payable - real estate		$ 4,800,000
5.89% Los Angeles Two [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers		14
Origination Date		April 2011
Maturity Date		March 2021
Interest Rate		5.89%
Mortgage notes payable - real estate		$ 1,597,000
3.59% Los Angeles [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers		12
Interest Rate		3.59%
Mortgage notes payable - real estate		$ 2,125,000
5.89% Los Angeles [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers		9
Origination Date		April 2011
Maturity Date		March 2021
Interest Rate		5.89%
Mortgage notes payable - real estate		$ 1,088,000
3.75% Los Angeles Five [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers		7
Origination Date		August 2012
Maturity Date		September 2042
Interest Rate		3.75%
Mortgage notes payable - real estate		$ 823,000
3.75% Los Angeles Six [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers		4
Interest Rate		3.75%
Mortgage notes payable - real estate		$ 563,000
3.75% Los Angeles Six [Member]
Debt Disclosure [Line Items]
Origination Date		August 2012
Maturity Date		September 2042
3.75% Los Angeles Seven [Member]
Debt Disclosure [Line Items]
Number of Units | Numbers		1
Interest Rate		3.75%
Mortgage notes payable - real estate		$ 388,000
3.75% Los Angeles Seven [Member]
Debt Disclosure [Line Items]
Origination Date		September 2012
Maturity Date		September 2042
2.67% Los Angeles [Member]
Debt Disclosure [Line Items]
Origination Date		April 2016
Maturity Date		January 2021
Interest Rate		2.67%
Mortgage notes payable - real estate		$ 770,000