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Debt (Tables)
12 Months Ended
Dec. 31, 2020
Debt Disclosure [Abstract]  
Summary of Components of Debt Obligations
The table below summarizes the components of the Company’s debt:
 December 31,
 20202019
2023 Convertible Notes$316,250 $316,250 
Total debt316,250 316,250 
Less: deferred debt discount(26,310)(35,393)
Less: deferred debt issue costs(3,809)(5,248)
Long-term debt, net (1)
$286,131 $275,609 
Additional paid-in capital$35,306 $35,306 
Discount attribution to equity(1,175)(1,175)
Equity component, net$34,131 $34,131 
(1)There were no current portions of long-term debt as of December 31, 2020 and 2019.
Summary of Interest Expense
The table below summarizes the amount of interest cost recognized by us for both the contractual interest expense and amortization of the debt discount for the 2023 Convertible Notes:
Year Ended December 31,
202020192018
Contractual interest expense$6,325 $6,325 $2,302 
Amortization of debt discount (1)
9,083 8,606 3,018 
     Total$15,408 $14,931 $5,320 
(1)    The effective interest rate of the liability component is 5.45%.