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Convertible Notes (Table)
 12 Months Ended
Dec. 31, 2020
Debt Disclosure [Abstract]  
Summary of the carrying value of the convertible notes
The following table provides a summary of the carrying value of the Convertible Notes at December 31, 2020:
 
    
Total
    
Additional Notes
    
Existing Notes
  
Principal amount
    $ 175,000     $ 25,000     $ 150,000  
Plus: Premium on Additional Notes
      250       250       —  
    
 
 
    
 
 
    
 
 
  
Gross proceeds
      175,250       25,250       150,000  
Less: Unamortized discount and issuance costs
(1)
      (8,604 )      (1,490 )      (7,114 ) 
    
 
 
    
 
 
    
 
 
  
Carrying amount
    $ 166,646     $ 23,760     $ 142,886  
    
 
 
    
 
 
    
 
 
  
Effective interest rate
(2)
      6.29 %      6.37 %      6.28 % 
    
 
 
    
 
 
    
 
 
  
 
(1)
The  discount arose from the bifurcation of the conversion option. The unamortized  discount and issuance costs
are
 reported net of the unamortized premium on the Additional Notes.
 
(2)
Includes amortization of the discount arising from the bifurcation of the conversion option, amortization of the issuance costs allocated to the Convertible Notes and amortization of the premium associated with the Additional Notes.