v3.26.3
Convertible Senior Notes (Tables) - 6.75% Convertible Senior Notes
9 Months Ended
Sep. 30, 2026
Convertible Senior Notes  
Schedule of changes in debt

The change in the carrying amount of the 6.75% Convertible Senior Notes during the nine months ended September 30, 2026 was as follows (in thousands):

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​

​

​

​

Beginning balance as of December 31, 2025

​

$

431,014

Change in fair value of the convertible senior notes

​

​

70,782

Amortization of discount

​

​

974

Ending balance as of March 31, 2026

​

$

502,770

Change in fair value of the convertible senior notes

​

​

74,235

Amortization of discount

​

​

993

Ending balance as of June 30, 2026

​

$

577,998

Change in fair value of the convertible senior notes

​

​

(108,284)

Amortization of discount

​

​

976

Ending balance as of September 30, 2026

​

$

470,690

​

Schedule of interest expense

The following table summarizes the total interest expense and effective interest rate related to the 6.75% Convertible Senior Notes during the three and nine months ended September 30, 2026 (in thousands, except for the effective interest rate):

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​

​

​

​

​

​

​

Three months ended

​

Nine months ended

​

September 30, 2026

​

September 30, 2026

Interest expense

$

7,277

​

$

21,832

Amortization of discount

​

976

​

​

2,943

Total

$

8,253

​

$

24,775

Effective interest rate

​

7.7%

​

​

7.7%

​