Convertible Senior Notes - Schedule of convertiable note interest expense (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Debt Disclosure [Abstract]
Contractual interest expense	$ 270	$ 270
Amortization of debt issuance costs	457	452
Total	$ 727	$ 722
Debt Instrument, Interest Rate, Effective Percentage	1.00%	1.00%

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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Amount of amortization expense attributable to debt issuance costs.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.

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