Debt

3 Months Ended

Mar. 31, 2022

Debt

Debt

7. Debt

At March 31, 2022, debt comprised of the following:

					Debt
			Unaccreted		Issuance		Carrying
	Principal		Discount		Costs		Value
Convertible senior notes, due 2026	$	425,000	$	—	$	(10,228)	$	414,772
Other notes		450		(70)		—		380
	$	425,450	$	(70)	$	(10,228)	$	415,152

Convertible Senior Notes

Interest expense recognized related to the 0.75% Convertible Senior Notes due 2026 (the “2026 Notes”) was approximately $1.4 million for the three months ended March 31, 2022, and comprised of contractual interest expense and amortization of debt issuance costs.