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Debt (Tables)
 6 Months Ended
Jun. 30, 2021
Debt Disclosure [Abstract]  
Summary of Components of Debt Obligations
The table below presents the components of the Company’s debt: 
June 30,
2021		December 31, 2020
2023 Convertible Notes$316,250 $316,250 
Credit Facility100,000 — 
Total debt416,250 316,250 
Less: deferred debt discount(21,582)(26,310)
Less: deferred debt issue costs(3,087)(3,809)
Long-term debt, net (1)
$391,581 $286,131 
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 June 30, 2021 and December 31, 2020.
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:
 Three Months Ended June 30,Six Months Ended June 30,
 2021202020212020
Contractual interest expense$1,581 $1,581 $3,162 $3,162 
Amortization of debt discount (1)
2,380 2,255 4,728 4,480 
Total $3,961 $3,836 $7,890 $7,642 
(1)The effective interest rate of the liability component is 5.45%.