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Revolving Line of Credit - Additional Information (Details)
Aug. 19, 2021
USD ($)
May 08, 2018
Sep. 30, 2021
USD ($)
Line of Credit Facility [Line Items]      
Line of credit, current borrowing capacity $ 600,000,000    
Revolving credit facility, expiration date Aug. 19, 2026    
Interest coverage ratio   3.00  
Credit facility restrictive covenant, maximum consolidated leverage ratio   3.50  
Credit facility restrictive covenant, maximum consolidated leverage ratio step up   4.00  
Borrowings outstanding     $ 518,000,000
Interest rate of borrowings outstanding     1.212%
Federal Fund Rate      
Line of Credit Facility [Line Items]      
Debt instrument basis spread on variable rate   0.50%  
LIBOR      
Line of Credit Facility [Line Items]      
Debt instrument basis spread on variable rate   1.00%  
LIBOR | Minimum      
Line of Credit Facility [Line Items]      
Debt instrument basis spread on variable rate   1.00%  
LIBOR | Maximum      
Line of Credit Facility [Line Items]      
Debt instrument basis spread on variable rate   1.75%  
Base Rate | Minimum      
Line of Credit Facility [Line Items]      
Debt instrument basis spread on variable rate   0.00%  
Base Rate | Maximum      
Line of Credit Facility [Line Items]      
Debt instrument basis spread on variable rate   0.75%