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Debt - Schedule of Carrying Values of Debt (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Total debt $ 217,250  
Less: Unamortized issuance discount and issuance costs, net 1,734 $ 2,035
Debt, current 1,900 1,900
Debt, non-current $ 213,616 215,515
2018 Refinancing Facility Agreement    
Debt Instrument [Line Items]    
Issuance date Oct. 31, 2018  
Maturity date Oct. 10, 2025  
Total debt $ 217,250 $ 219,450
2018 Refinancing Facility Agreement | Minimum    
Debt Instrument [Line Items]    
Effective Interest Rate 5.32% 6.00%
2018 Refinancing Facility Agreement | Maximum    
Debt Instrument [Line Items]    
Effective Interest Rate 6.28% 6.10%