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Convertible Senior Notes (Tables)
6 Months Ended
Jun. 30, 2024
Convertible Senior Notes  
Schedule of convertible senior notes payable

Convertible Senior Notes consisted of the following at June 30, 2024 and December 31, 2023 (in thousands):

June 30, 

December 31, 

    

2024

    

2023

Principal amount of 2025 Senior Notes

$

14,344

$

14,344

Principal amount of 2026 Senior Notes

 

361,185

 

371,185

Less: unamortized debt issuance costs

(5,620)

(6,976)

Total carrying value of Convertible Senior Notes, net

369,909

378,553

Less: current portion of carrying value of Convertible Senior Notes, net

(14,244)

Total carrying value of Convertible Senior Notes, net - long-term

$

355,665

$

378,553

Schedule of interest expenses incurred in connection with the convertible senior notes

Interest expense incurred in connection with the Convertible Senior Notes consisted of the following for the three and six months ended June 30, 2024 and 2023 (in thousands):

    

Three Months Ended

    

Six Months Ended

    

June 30, 

June 30, 

    

2024

    

2023

    

2024

    

2023

    

Coupon interest

$

797

$

862

$

1,601

$

1,725

Amortization of debt issuance costs

598

643

1,198

1,283

Total interest expense on Convertible Senior Notes

$

1,395

$

1,505

$

2,799

$

3,008