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Debt (Tables)
6 Months Ended
Jun. 30, 2024
Debt  
Schedule of outstanding Convertible Notes

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​

​

​

​

​

​

​

June 30, 2024

​

December 31, 2023

​

(in thousands)

Long-Term Debt

​

​

​

​

​

Outstanding Principal

$

287,500

​

$

287,500

Unamortized debt discount and issuance cost

​

(3,896)

​

​

(4,555)

Net carrying amount

$

283,604

​

$

282,945

​

​

​

​

​

​

Summary of interest expense

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​

​

​

​

​

​

​

​

Three months ended

​

​

June 30, 

​

​

2024

​

2023

​

​

(in thousands)

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Cash interest expense

​

​

​

​

​

​

Contractual interest expense

$

1,617

​

$

1,617

​

Non-cash interest expense

​

​

​

​

​

​

Amortization of debt discount and debt issuance cost

​

330

​

​

322

​

Total interest expense

$

1,947

​

$

1,939

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​

​

​

​

​

​

​

​

​

Six months ended June 30, 

​

​

2024

​

2023

​

​

(in thousands)

​

Cash interest expense

​

​

​

​

​

​

Contractual interest expense

$

3,234

​

$

3,234

​

Non-cash interest expense

​

​

​

​

​

​

Amortization of debt discount and debt issuance cost

​

658

​

​

642

​

Total interest expense

$

3,892

​

$

3,876

​

​