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Summary of Significant Accounting Policies - Additional Information (Details)
9 Months Ended
Sep. 30, 2021
segment
Real Estate Properties [Line Items]  
Number of business segments 1
Land  
Real Estate Properties [Line Items]  
Property, plant and equipment, estimated useful lives 40 years
Furniture, fixtures, and equipment  
Real Estate Properties [Line Items]  
Property, plant and equipment, estimated useful lives 8 years