Annual report pursuant to Section 13 and 15(d)

Debt (Tables)

v3.20.4
Debt (Tables)
12 Months Ended
Dec. 31, 2020
Debt Disclosure [Abstract]  
Schedule of convertible debt obligations
The Company’s outstanding debt obligations as of December 31, 2020 and 2019 were as follows:
  December 31,
  2020 2019
Revolving credit facility balance $ —  $ 260,000 
Convertible Notes due 2023 $ 345,000  $ 345,000 
Unaccreted discount on Convertible Notes due 2023 (24,058) (33,491)
Unamortized issuance costs on Convertible Notes due 2023 (4,306) (5,996)
Convertible Notes due 2023 carrying value $ 316,636  $ 305,513 
Convertible Notes due 2025 $ 517,500  $ — 
Unaccreted discount on Convertible Notes due 2025 (65,902) — 
Unamortized issuance costs on Convertible Notes due 2025 (11,731) — 
Convertible Notes due 2025 carrying value $ 439,867  $ — 
Schedule of interest expense
Interest expense was comprised of the following and is included in other income (expense), net in the consolidated statements of operations:
  Year Ended December 31,
  December 31, 2020 2019 2018
Accretion of debt discount $ 14,084  $ 15,040  $ 11,134 
Coupon interest 7,442  8,917  6,650 
Interest on revolving credit facility 5,786  4,065  3,994 
Amortization of issuance costs 3,396  3,703  2,771 
Undrawn and other fees 796  795  654 
Total interest expense $ 31,504  $ 32,520  $ 25,203