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Convertible debt (Details) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) $ / shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) $ / shares	Sep. 30, 2022 USD ($)	Oct. 10, 2023 USD ($)	Aug. 23, 2023 USD ($)	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 293,750		$ 293,750				$ 293,750
Convertible Debt, Current	21,635		21,635				0
Convertible Debt, Noncurrent	272,542		272,542				289,779
Loss on Extinguishment of Debt	1,779	$ 0	1,779	$ 0
Derivative, Loss on Derivative			4,343	0
Debt Instrument, Premium and Debt Issuance Costs, Net	427		427				(3,971)
Convertible Debt	294,177		294,177				289,779
Debt Instrument, Fair Value Disclosure	296,300		296,300				263,700
Debt Instrument, Periodic Payment, Interest	1,203	1,203	3,609	3,609
Amortization of Financing Costs	294	373	1,040	1,119
Interest Expense, Debt	1,497	$ 1,576	4,649	4,728
Purchase of capped call			22,771	$ 0
Derivative Asset, Noncurrent	22,260		22,260				$ 0
Subsequent Event
Debt Instrument [Line Items]
Value of capped call					$ 22,200
Notes due 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 21,713		$ 21,713
Debt Instrument, Interest Rate, Stated Percentage	1.00%		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	7 months		7 months
Debt Instrument, Convertible, Conversion Price | $ / shares	$ 101.62		$ 101.62
Purchase of capped call			$ 16,400
Notes due 2024 [Member] | Subsequent Event
Debt Instrument [Line Items]
Debt Instrument, Face Amount					21,700
Notes due 2027
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 150,000		$ 150,000
Debt Instrument, Interest Rate, Stated Percentage	2.25%		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	47 months		47 months
Debt Instrument, Convertible, Conversion Price | $ / shares	$ 78.90		$ 78.90
Purchase of capped call			$ 25,300
Notes due 2027 | Subsequent Event
Debt Instrument [Line Items]
Debt Instrument, Face Amount					$ 266,800
Notes due 2024- subject to Exchange
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 122,037		122,037
Notes Exchange
Debt Instrument [Line Items]
Debt Issuance Cost	2,300		2,300
Derivative Liability	3,800		3,800			$ 0
Derivative, Loss on Derivative	3,800
Debt Instrument, Fair Value Disclosure						123,300
Notes Exchange - Capped Call
Debt Instrument [Line Items]
Derivative, Loss on Derivative	500
Derivative Asset, Noncurrent	$ 22,300		$ 22,300			$ 22,800

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Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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