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Debt - Additional Information (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2016
Term loan    
Debt Instrument [Line Items]    
Debt instrument, interest rate 3.50%  
Term loan | Senior Secured Credit Facility    
Debt Instrument [Line Items]    
Notes Payable to Bank   $ 235.0
Revolving loan facility    
Debt Instrument [Line Items]    
Amounts drawn on line of credit $ 0.0  
Revolving loan facility | Senior Secured Credit Facility    
Debt Instrument [Line Items]    
Credit facility, borrowing capacity   $ 10.0