Annual report pursuant to Section 13 and 15(d)

Debt (Tables)

v3.22.0.1
Debt (Tables)
 12 Months Ended
Dec. 31, 2021
Debt Disclosure [Abstract]  
Schedule of Convertible Debt Obligations
The Company’s outstanding debt obligations as of December 31, 2021 and 2020 were as follows:
  December 31,
  2021 2020
(in thousands)
Revolving credit facility balance $ —  $ — 
Convertible Notes due 2023 $ 345,000  $ 345,000 
Unaccreted discount on Convertible Notes due 2023 —  (24,058)
Unamortized issuance costs on Convertible Notes due 2023 (2,979) (4,306)
Convertible Notes due 2023 carrying value $ 342,021  $ 316,636 
Convertible Notes due 2025 $ 517,500  $ 517,500 
Unaccreted discount on Convertible Notes due 2025 —  (65,902)
Unamortized issuance costs on Convertible Notes due 2025 (10,659) (11,731)
Convertible Notes due 2025 carrying value $ 506,841  $ 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,
  2021 2020 2019
(in thousands)
Coupon interest $ 9,919  $ 7,442  $ 8,917 
Amortization of issuance costs 5,745  3,396  3,703 
Undrawn and other fees 1,267  796  795 
Accretion of debt discount —  14,084  15,040 
Interest on revolving credit facility —  5,786  4,065 
Total interest expense $ 16,931  $ 31,504  $ 32,520