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Debt (Details) - Revolving Credit Facility - USD ($)
3 Months Ended
Mar. 31, 2021
Apr. 24, 2020
Line of Credit Facility [Line Items]    
Borrowing capacity   $ 100,000,000
Line of credit, increase limit   $ 150,000,000
Borrowings outstanding $ 0  
Bank Of America And Citibank | Line of Credit    
Line of Credit Facility [Line Items]    
Debt instrument, term (in years) 1 year