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Convertible Notes (Table)
 3 Months Ended
Mar. 31, 2021
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 March 31, 2021 and December 31, 2020:
 
    
March 31,

2021
     
December 31,

2020
  
Principal amount
    $ 175,000      $ 175,000  
Plus: premium on Additional Notes
      250        250  
    
 
 
     
 
 
  
Gross proceeds
      175,250        175,250  
Less: Unamortized discount
(1)
      —        (4,207 ) 
Less: Unamortized issuance costs
(1)
      (4,087 )      (4,397 ) 
    
 
 
    
 
 
  
Carrying amount
    $ 171,163     $ 166,646  
    
 
 
    
 
 
  
Effective interest rate
(2)
      5.30 %      6.29 % 
    
 
 
    
 
 
  
 
(1)
Unamortized discount
 was
reduced by $4,207 and unamortized issuance costs increased by $119 upon the early adoption of ASU
2020-06
 on January 1, 2021. The discount previously arose from the bifurcation of the conversion option which occurred prior to the adoption of ASU
2020-06.
The unamortized issuance costs are reported net of the unamortized premium on the Additional Notes.
(2)
Includes amortization of the issuance costs allocated to the Convertible Notes and amortization of the premium associated with the Additional Notes. The effective interest rate prior to January 1, 2021 also included amortization of the discount arising from the bifurcation of the conversion option.