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Debt - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2019
Jul. 31, 2017
Debt Instrument [Line Items]          
Revolving credit facility $ 185,000 $ 169,000      
Credit Agreement | Revolving credit facility (the "Revolver")          
Debt Instrument [Line Items]          
Maximum borrowing capacity 250,000        
Revolving credit facility 185,000        
Outstanding letters of credit 2,709        
Aggregate available credit facilities $ 62,291        
Weighted-average interest rates 2.12%     3.70%  
Percentage of interest rate 2.37%        
Credit Agreement | Term A Loans And Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Maturity dates June 29, 2022        
Covenant requirement, permitted leverage ratio a maximum First Lien Net Leverage Ratio of 4.00:1.00 and (ii) a minimum interest coverage ratio of 3.00:1.00, each calculated on a trailing four-quarter basis        
Debt instrument, covenant compliance we were in compliance with the financial covenants        
Credit Agreement | Term A Loans And Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]          
Debt Instrument [Line Items]          
Interest rate, description 2.00%, 1.75% or 1.50%        
Floor rate 0.00%        
Credit Agreement | Term A Loans And Revolving Credit Facility [Member] | Eurodollar [Member]          
Debt Instrument [Line Items]          
Interest rate, description 2.00%, 1.75% or 1.50%        
Credit Agreement | Term A Loans And Revolving Credit Facility [Member] | Base Rate          
Debt Instrument [Line Items]          
Interest rate, description 1.00%, 0.75% or 0.50%        
Credit Agreement | Term A Loan [Member]          
Debt Instrument [Line Items]          
Aggregate principal amount $ 250,000        
Weighted-average interest rates 3.19%     3.48%  
Percentage of interest rate 3.47%        
July 2017 Agreement [Member]          
Debt Instrument [Line Items]          
Percentage of interest rate 0.62%        
July 2017 Agreement [Member] | Interest Rate Swap          
Debt Instrument [Line Items]          
Percentage of interest rate 1.8325%        
Derivative, Notional Amount $ 150,000       $ 150,000
March 2020 Agreement [Member]          
Debt Instrument [Line Items]          
Derivative, Notional Amount $ 300,000        
March 2020 Agreement [Member] | Interest Rate Swap          
Debt Instrument [Line Items]          
Percentage of interest rate 0.62%        
Derivative, Notional Amount     $ 150,000