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Convertible Senior Notes (Tables)

9 Months Ended

Sep. 30, 2022

Convertible Senior Notes

Schedule of components of notes payable

Convertible Senior Notes payable consisted of the following at September 30, 2022 and December 31, 2021 (in thousands):


		September 30,			December 31,
		2022			2021
Principal amount of 2025 Senior Notes		$	14,344		$	14,344
Principal amount of 2026 Senior Notes			402,500			402,500
Less: unamortized debt issuance costs			(10,773)			(12,673)
Net carrying value of Convertible Senior Notes payable		$	406,071		$	404,171

Schedule of interest expenses incurred in connection with the Senior Notes

Interest expense incurred in connection with the Convertible Senior Notes consisted of the following for the three and nine months ended September 30, 2022 and 2021 (in thousands):


		Three Months Ended						Nine Months Ended
		September 30,						September 30,
		2022			2021			2022			2021
Coupon interest		$	881		$	885		$	2,616		$	2,600
Amortization of debt issuance costs			635			194			1,903			579
Total interest expense on Convertible Senior Notes		$	1,516		$	1,079		$	4,519		$	3,179