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v3.23.3

Convertible Senior Notes (Tables) | 9 Months Ended
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Sep. 30, 2023
Convertible Senior Notes |
Schedule of interest expense relating to the Convertible Notes | Interest expense relating to the Convertible Notes in the condensed consolidated statements of operations for the three and nine months ended September 30, 2023 and September 30, 2022 is summarized as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended
​ | ​ | September 30,
​ |  | 2023 |  | 2022
Contractual interest expense | ​ | $ | 1,977 | ​ | $ | 1,977
Amortization of debt issuance costs | ​ | ​ | 343 | ​ | ​ | 343
Total interest expense | ​ | $ | 2,320 | ​ | $ | 2,320
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Nine months ended
​ | ​ | September 30,
​ |  | 2023 |  | 2022
Contractual interest expense | ​ | $ | 5,930 | ​ | $ | 5,930
Amortization of debt issuance costs | ​ | ​ | 1,030 | ​ | ​ | 1,030
Total interest expense | ​ | $ | 6,960 | ​ | $ | 6,960
Schedule of convertible senior notes | As of September 30, 2023 and December 31, 2022, the Convertible Notes on the condensed consolidated balance sheets represented the carrying amount of the Convertible Notes, net of unamortized debt issuance costs, which are summarized as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of | ​ | As of
​ | ​ | September 30, | ​ | December 31,
​ |  | 2023 |  | 2022
Convertible Notes | ​ | $ | 287,500 | ​ | $ | 287,500
Less: Unamortized debt issuance costs | ​ | ​ | (5,070) | ​ | ​ | (6,100)
Carrying amount of Convertible Notes | ​ | $ | 282,430 | ​ | $ | 281,400

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