Basis of Presentation and Significant Accounting Policies - Summary of Financial Obligations Including Interest Payments (Details)	Dec. 31, 2019 USD ($)
Mortgage and subordinated notes payable	$ 170,968,000
Other notes payable	9,217,000
Interest	33,535,000
Total	213,720,000
6 Months 2020 [Member]
Mortgage and subordinated notes payable	1,433,000
Other notes payable	585,000
Interest	4,460,000
Total	6,478,000
Year 2021 [Member]
Mortgage and subordinated notes payable	12,483,000
Other notes payable	3,991,000
Interest	8,598,000
Total	25,072,000
Year 2022 [Member]
Mortgage and subordinated notes payable	3,095,000
Other notes payable	1,022,000
Interest	8,148,000
Total	12,265,000
Year 2023 [Member]
Mortgage and subordinated notes payable	37,812,000
Other notes payable	744,000
Interest	7,014,000
Total	45,570,000
Year 2024 [Member]
Mortgage and subordinated notes payable	107,655,000
Other notes payable	567,000
Interest	3,401,000
Total	111,623,000
Thereafter [Member]
Mortgage and subordinated notes payable	8,490,000
Other notes payable	2,308,000
Interest	1,914,000
Total	$ 12,712,000