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Debt - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Nov. 30, 2017
Jun. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Oct. 31, 2019
Aug. 31, 2019
Apr. 30, 2019
Debt Instrument [Line Items]                      
Debt instrument, face amount $ 560,000,000                    
Loss on extinguishment of debt   $ (7,100,000) $ (7,100,000)     $ (7,100,000)          
Amortization of capitalized financing fees     1,000,000   $ 1,000,000 2,100,000 $ 1,900,000        
Proceeds from lines of credit           68,500,000          
Outstanding borrowings repaid           89,500,000 $ 20,000,000        
Revolving Credit Facility                      
Debt Instrument [Line Items]                      
Line of credit facility, maximum borrowing capacity $ 40,000,000 89,500,000 89,500,000     89,500,000       $ 90,000,000  
Line of credit facility, expiration date Nov. 30, 2022                    
Outstanding borrowings               $ 21,000,000      
Proceeds from lines of credit       $ 68,500,000              
Outstanding borrowings repaid   89,500,000                  
Revolving Credit Facility | Minimum                      
Debt Instrument [Line Items]                      
Credit facility unused commitment fee percentage 0.25%                    
Revolving Credit Facility | Maximum                      
Debt Instrument [Line Items]                      
Credit facility unused commitment fee percentage 0.50%                    
Standby Letter of Credit                      
Debt Instrument [Line Items]                      
Line of credit facility, maximum borrowing capacity   500,000 $ 500,000     $ 500,000          
LIBOR | Revolving Credit Facility | Minimum                      
Debt Instrument [Line Items]                      
Debt instrument, variable interest rate 3.00%                    
LIBOR | Revolving Credit Facility | Maximum                      
Debt Instrument [Line Items]                      
Debt instrument, variable interest rate 4.50%                    
First Lien Term Loan Facility                      
Debt Instrument [Line Items]                      
Debt instrument, face amount $ 430,000,000               $ 520,000,000   $ 450,000,000
Debt instrument, maturity date           Nov. 30, 2024          
Debt instrument, principal pre-payment   $ 59,800,000                  
Debt instrument, frequency of interest payment           payable quarterly          
Debt instrument, interest rate   5.50% 5.50%     5.50%          
First Lien Term Loan Facility | LIBOR                      
Debt Instrument [Line Items]                      
Debt instrument, variable interest rate 4.50%                    
Second Lien Term Loan Facility                      
Debt Instrument [Line Items]                      
Debt instrument, face amount $ 130,000,000                    
Debt instrument, maturity date           Nov. 30, 2025          
Debt instrument, repayment of outstanding amount   $ 130,000,000                  
Second Lien Term Loan Facility | LIBOR                      
Debt Instrument [Line Items]                      
Debt instrument, variable interest rate 8.50%