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Convertible Notes (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Interest expense related to notes
Amortization of discount and debt issuance costs			$ 197	$ 5,702
Interest expense	$ 437	$ 2,672	$ 1,390	$ 7,969
1.375% Convertible senior notes due 2023 | Convertible senior notes
Interest expense related to notes
Convertible notes, stated interest rate (as a percentage)	1.375%	1.375%	1.375%	1.375%
Coupon interest expense	$ 90	$ 593	$ 575	$ 1,779
Amortization of discount and debt issuance costs	33	1,927	184	5,702
Interest expense	$ 123	$ 2,520	$ 759	$ 7,481

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Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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Contractual interest rate for funds borrowed, under the debt agreement.

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