Convertible Senior Notes (Tables)

3 Months Ended

Mar. 31, 2023

Debt Disclosure [Abstract]

Carrying Value of Convertible Senior Notes

The net carrying value of the liability component of the 2019 Notes is as follows:

	March 31, 2023			December 31, 2022
	(Amounts in thousands)
0.375% Convertible Senior Notes due 2024:
Principal amount	$	287,470		$	287,470
Unamortized debt issuance costs		(2,398	)		(2,855	)
Net carrying amount	$	285,072		$	284,615

Schedule of convertiable note interest expense

The following table sets forth total interest expense recognized related to the 2019 Notes:

	Three Months Ended March 31,
	2023			2022
	(Amounts in thousands)
Contractual interest expense	$	270		$	270
Amortization of debt issuance costs		457			452
Total	$	727		$	722
Effective interest rate of the liability component		1	%		1	%