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Long-term debt - Schedule of Expected Future Principal Payments for Borrowings (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Long-term Debt, Fiscal Year Maturity [Abstract] |  |
2023–Remaining Period | $ 2,375 |
2024 | 9,500 |
2025 | 9,500 |
2026 | 157,000 |
Debt and issuance costs | 178,375 |
Unamortized debt issuance costs | (1,881) | $ (2,430)
Total debt | $ 176,494 | $ 183,070

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