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Summary of Significant Accounting Policies - Segment Information to Taxes and Accounting Pronouncements (Details)
6 Months Ended
Jun. 30, 2021
customer
segment
Jun. 30, 2020
Summary Of Significant Accounting Policies [Line Items]    
Number of operating segments | segment 1  
Number of reportable segments | segment 1  
Taxable REIT Subsidiaries    
Summary Of Significant Accounting Policies [Line Items]    
Effective tax rate (16.20%) 1.20%
Customer One | Rental Revenue    
Summary Of Significant Accounting Policies [Line Items]    
Number of customers | customer 1  
Customer One | Rental Revenue | Customer Concentration Risk    
Summary Of Significant Accounting Policies [Line Items]    
Concentration risk percentage 15.00%  
Customer One | Accounts Receivable    
Summary Of Significant Accounting Policies [Line Items]    
Number of customers | customer 2  
Customer One | Accounts Receivable | Customer Concentration Risk    
Summary Of Significant Accounting Policies [Line Items]    
Concentration risk percentage 44.00%  
Three Customers | Accounts Receivable | Customer Concentration Risk | Trade Accounts Receivable    
Summary Of Significant Accounting Policies [Line Items]    
Concentration risk percentage 56.00%  
Three Customers | Accounts Receivable | Customer Concentration Risk | Minimum | Trade Accounts Receivable    
Summary Of Significant Accounting Policies [Line Items]    
Concentration risk percentage 5.00%