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v3.22.2.2

Convertible Notes (Details 2) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Interest expense related to notes |  |  |  |
Amortization of discount and debt issuance costs |  |  | $ 197 | $ 5,702
Interest expense | $ 437 | $ 2,672 | $ 1,390 | $ 7,969
1.375% Convertible senior notes due 2023 | Convertible senior notes |  |  |  |
Interest expense related to notes |  |  |  |
Convertible notes, stated interest rate (as a percentage) | 1.375% | 1.375% | 1.375% | 1.375%
Coupon interest expense | $ 90 | $ 593 | $ 575 | $ 1,779
Amortization of discount and debt issuance costs | 33 | 1,927 | 184 | 5,702
Interest expense | $ 123 | $ 2,520 | $ 759 | $ 7,481

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