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Significant Accounting Policies - Schedule of Depreciation and Useful Lives of Real Estate and Intangible Assets (Details)
12 Months Ended
Dec. 31, 2020
Building  
Finite-Lived Intangible Assets [Line Items]  
Standard depreciable life 40 years
Building Improvements | Minimum  
Finite-Lived Intangible Assets [Line Items]  
Standard depreciable life 5 years
Building Improvements | Maximum  
Finite-Lived Intangible Assets [Line Items]  
Standard depreciable life 40 years