Convertible Senior Notes (Tables) - 3.75% Convertible Senior Notes

6 Months Ended

Jun. 30, 2023

Debt Instrument [Line Items]

Schedule of Convertible Senior Notes

The 3.75% Convertible Senior Notes consisted of the following (in thousands):

	June 30,		December 31,
	2023		2022
Principal amounts:
Principal	$	197,278	$	197,278
Unamortized debt issuance costs (1)		(2,694)		(3,359)
Net carrying amount	$	194,584	$	193,919

(1) Included in the unaudited interim condensed consolidated balance sheets within the Convertible Senior Notes, net and amortized over the remaining life of the notes using the effective interest rate method.

Schedule of debt

The following table summarizes the total interest expense and effective interest rate related to the 3.75% Convertible Senior Notes (in thousands, except for the effective interest rate):

	June 30,			June 30,
	2023			2022
Interest expense	$	1,849	$	1,849
Amortization of debt issuance costs		334		320
Total		2,183		2,169
Effective interest rate		4.5%		4.5%