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Debt (Tables)
12 Months Ended
Dec. 31, 2024
Debt  
Schedule of outstanding Convertible Notes

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December 31, 

​

2024

​

2023

​

(in thousands)

Long-Term Debt

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​

​

​

​

Outstanding Principal

$

—

​

$

287,500

Unamortized debt discount and debt issuance cost

​

—

​

​

(4,555)

Net carrying amount

$

—

​

$

282,945

Summary of interest expense

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December 31, 

​

2024

​

​

2023

​

​

2022

​

(in thousands)

Cash interest expense

​

​

​

​

​

​

​

​

Contractual interest expense

$

2,157

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$

6,469

​

$

6,469

Non-cash interest expense

​

​

​

​

​

​

​

​

Contractual interest expense

​

2,875

​

​

—

​

​

—

Amortization of debt discount and debt issuance cost

​

991

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​

1,292

​

​

1,259

Total interest expense

$

6,023

​

$

7,761

​

$

7,728

​