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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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Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer. The debt is convertible into another form of financial instrument, typically the entity's common stock.

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The price per share of the conversion feature embedded in the debt instrument.

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