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Convertible debt (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Oct. 10, 2023 USD ($) | Mar. 31, 2024 USD ($) $ / shares | Mar. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) | Aug. 23, 2023 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Face Amount |  | $ 288,529 |  | $ 288,529 |
Convertible Debt, Current |  | 21,702 |  | 21,668 |
Convertible Debt, Noncurrent |  | 271,937 |  | 272,324 |
Debt Instrument, Unamortized Premium |  | 9,100 |  | 9,776 |
Debt Instrument, Premium and Debt Issuance Costs, Net |  | (3,990) |  | (4,313) |
Convertible Debt |  | 293,639 |  | 293,992 |
Debt Instrument, Fair Value Disclosure |  | 310,700 |  | $ 320,500 |
Debt Instrument, Periodic Payment, Interest |  | 1,555 | $ 1,203 |  |
Amortization of Financing Costs |  | 323 | 373 |  |
Amortization of Debt Discount (Premium) |  | (676) | 0 |  |
Interest Expense, Debt |  | 1,202 | $ 1,576 |  |
Notes due 2024 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Face Amount | $ 21,700 | $ 21,713 |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 1.00% |  |  |
Debt Instrument, Convertible, Conversion Ratio |  | 15.1394 |  |  |
Debt Instrument, Convertible, Stock Price Trigger | $ / shares |  | $ 66.05 |  |  |
Debt Instrument, Convertible, Remaining Discount Amortization Period |  | 2 months |  |  |
Partial Extinguishment of Debt, Principal Amount | 122,000 |  |  |  |
Debt Instrument, Convertible, Conversion Price | $ / shares |  | $ 101.62 |  |  |
Value of capped call |  | $ 16,400 |  |  |
Notes due 2027 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Face Amount | 266,800 | $ 266,816 |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 2.25% |  |  |
Debt Instrument, Convertible, Conversion Ratio |  | 23.9137 |  |  |
Debt Instrument, Convertible, Stock Price Trigger | $ / shares |  | $ 41.82 |  |  |
Debt Instrument, Convertible, Remaining Discount Amortization Period |  | 42 months |  |  |
Debt Conversion, Converted Instrument, Amount | 116,800 |  |  |  |
Debt Instrument, Convertible, Conversion Price | $ / shares |  | $ 78.90 |  |  |
Value of capped call |  | $ 25,300 |  |  |
Notes due 2024- subject to Exchange |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  | $ 122,000
Notes Exchange |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Value of capped call | $ 22,200 |  |  |  |

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