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Credit Facility (Details) - USD ($)
Sep. 30, 2023
Jun. 12, 2023
Oct. 30, 2023
Jun. 11, 2023
Dec. 31, 2022
Credit Facility          
Schedule Of Debt [Line Items]          
Credit Facility borrowing capacity   $ 1,500,000,000   $ 500,000,000  
Debt instrument, extension fee maximum, percentage of commitment   0.125%      
Facility fee percentage 0.10%        
Outstanding borrowings $ 0        
Debt issuance costs, line of credit arrangements, gross $ 8,400,000        
Credit Facility | Subsequent Event          
Schedule Of Debt [Line Items]          
Outstanding borrowings     $ 0    
Credit Facility | Secured Overnight Financing Rate (SOFR)          
Schedule Of Debt [Line Items]          
Interest rate spread (as percent) 0.70%        
Credit Facility | Minimum          
Schedule Of Debt [Line Items]          
Facility fee percentage 0.10%        
Credit Facility | Minimum | Secured Overnight Financing Rate (SOFR)          
Schedule Of Debt [Line Items]          
Interest rate spread (as percent)   0.65%      
Credit Facility | Maximum          
Schedule Of Debt [Line Items]          
Facility fee percentage 0.30%        
Credit Facility | Maximum | Secured Overnight Financing Rate (SOFR)          
Schedule Of Debt [Line Items]          
Interest rate spread (as percent)   1.40%      
Standby Letters of Credit          
Schedule Of Debt [Line Items]          
Undrawn standby letters of credit $ 14,600,000       $ 18,600,000