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Convertible Senior Notes - Interest expenses incurred on Convertible notes payable (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Convertible Senior Notes
Coupon interest	$ 862	$ 862
Amortization of debt issuance costs	631	192
Total interest expense on Convertible Senior Notes	$ 1,493	$ 1,054

X

- Definition

Amount of amortization expense attributable to debt issuance costs.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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