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v3.21.1

Convertible Senior Notes (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
Debt Instrument [Line Items] |
Summary of convertible notes outstanding | ​
​ | ​ | ​
Principal | $ | 143,750
Less: unamortized issuance costs | ​ | (4,464)
Net carrying amount | $ | 139,286
Schedule of total interest expense recognized related to the convertible notes | ​
​ | ​ | ​ | ​ | ​ | ​
​ | Three months ended March 31,
​ | 2021 | ​ | 2020
Contractual interest expense | $ | 943 | ​ | $ | 503
Amortization of debt discount | ​ | — | ​ | ​ | 818
Amortization of debt issuance costs | ​ | 222 | ​ | ​ | 65
Total interest expense | $ | 1,165 | ​ | $ | 1,386
Convertible senior notes |
Debt Instrument [Line Items] |
Schedule of principal repayments of debt | ​
​ | ​ | ​
Years ended December 31, | Future Minimum Payments
2021 | $ | 1,887
2022 | ​ | 3,773
2023 | ​ | 3,773
2024 | ​ | 3,773
2025 | ​ | 3,773
Thereafter | ​ | 145,638
Total minimum payments | $ | 162,617
Less: interest | ​ | (18,867)
Less: unamortized issuance costs | ​ | (4,464)
Convertible senior notes | $ | 139,286

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- Definition Tabular disclosure of borrowings which can be exchanged for a specified number of another security at the option of the issuer or the holder. Disclosures include, but are not limited to, principal amount, amortized premium or discount, and amount of liability and equity components. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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