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Credit Agreement (Details) - Senior Revolving Credit Facility - USD ($)
Jun. 02, 2021
Jun. 30, 2020
2020 Credit Agreement    
Subsequent Event [Line Items]    
Line of credit facility, maximum borrowing capacity   $ 90,000,000
Credit sublimit   20,000,000
Swingline provision   $ 50,000,000
Amended Credit Agreement    
Subsequent Event [Line Items]    
Line of credit facility, maximum borrowing capacity $ 100,000,000  
Credit sublimit 30,000,000  
Swingline provision 50,000,000  
Option increase amount $ 150,000,000  
Commitment fee percentage 0.25%  
Amended Credit Agreement | London Interbank Offered Rate (LIBOR)    
Subsequent Event [Line Items]    
Basis spread on variable rate (percentage) 2.25%  
Amended Credit Agreement | Federal Funds Rate    
Subsequent Event [Line Items]    
Basis spread on variable rate (percentage) 0.50%  
Amended Credit Agreement | Eurodollar    
Subsequent Event [Line Items]    
Basis spread on variable rate (percentage) 1.00%  
Amended Credit Agreement | Eurodollar Applicable Margin Rate    
Subsequent Event [Line Items]    
Basis spread on variable rate (percentage) 1.25%