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Unsecured Line of Credit Payable - Narrative (Details)
 3 Months Ended
Mar. 31, 2023
USD ($)
Mar. 31, 2022
extension_option
Sep. 30, 2021
USD ($)
Credit Agreement      
Line of Credit Facility [Line Items]      
Credit agreement, aggregate maximum borrowing capacity including accordion feature     $ 1,500,000,000
Term loan | 2018 Term Loan      
Line of Credit Facility [Line Items]      
Debt instrument face amount     $ 250,000,000
Revolving Credit Facility      
Line of Credit Facility [Line Items]      
Debt instrument term (in years)   4 years  
Number of extensions allowed | extension_option   2  
Term of allowable extension (in months)   6 months  
Revolving credit facility borrowing capacity $ 700,000,000    
Revolving Credit Facility | Variable Rate Component Two      
Line of Credit Facility [Line Items]      
Facility fee (percent) 0.20%    
Revolving Credit Facility | Minimum      
Line of Credit Facility [Line Items]      
Facility fee (percent) 0.10%    
Revolving Credit Facility | Maximum      
Line of Credit Facility [Line Items]      
Facility fee (percent) 0.30%    
Revolving Credit Facility | Secured Overnight Financing Rate (SOFR)      
Line of Credit Facility [Line Items]      
Basis spread on variable rate (percent) 0.10%    
Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Variable Rate Component One      
Line of Credit Facility [Line Items]      
Basis spread on variable rate (percent) 0.10%    
Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Variable Rate Component Two      
Line of Credit Facility [Line Items]      
Basis spread on variable rate (percent) 0.85%    
Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Minimum | Variable Rate Component One      
Line of Credit Facility [Line Items]      
Basis spread on variable rate (percent) 0.70%    
Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Maximum | Variable Rate Component One      
Line of Credit Facility [Line Items]      
Basis spread on variable rate (percent) 1.40%