v3.26.3
Debt (Tables)
 9 Months Ended
Sep. 30, 2026
Debt Disclosure [Abstract]  
Schedule of Long-term Debt
Long-term debt consists of the following (in thousands):
September 30, 2026December 31, 2025
4.625% Senior Notes
$460,038 $460,038 
1.75% Convertible Notes
149,109 149,109 
3.625% Convertible Notes
263,147 263,147 
Total Notes$872,294 872,294 
Credit Agreement— — 
Less: Unamortized discount(3,198)(4,283)
Deferred issuance costs (1)
(877)(1,511)
Total long-term debt868,219 866,500 
Less: current portion(149,065)(148,685)
Total long-term debt, less current portion$719,154 $717,815 
(1)Includes $0.5 million and $0.6 million of carrying amount of deferred issuance costs on the 4.625% Senior Notes as of September 30, 2026 and December 31, 2025, respectively, $0.0 million and $0.4 million of carrying amount of deferred issuance costs on the 1.75% Convertible Notes as of September 30, 2026 and December 31, 2025, respectively, and $0.3 million and $0.5 million of carrying amount of deferred issuance costs on the 3.625% Convertible Notes as of September 30, 2026 and December 31, 2025, respectively.
Schedule of Debt
The following table provides the components of interest expense related to the 1.75% Convertible Notes (in thousands):
Three months ended September 30,Nine months ended September 30,
2026202520262025
Contractual interest expense$652 $652 $1,957 $1,957 
Amortization of discount and deferred issuance costs128 125 380 373 
Total interest expense related to 1.75% Convertible Notes
$780 $777 $2,337 $2,330 
The following table provides the components of interest expense related to the 3.625% Convertible Notes (in thousands):
Three months ended September 30,Nine months ended September 30,
2026202520262025
Coupon interest expense$2,385 $2,385 $7,154 $7,154 
Amortization of discount and debt issuance costs
337 323 999 958 
Total interest expense related to 3.625% Convertible Notes
$2,722 $2,708 $8,153 $8,112