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Convertible Senior Notes (Tables)
 9 Months Ended
Sep. 30, 2023
0.375%Convertible Senior Notes Due 2025 as Liability Component [Member]  
Debt Instrument [Line Items]  
Schedule of Net Carrying Amount of Notes

The net carrying amount of the liability component of the 2025 Notes is as follows:
 

 

 

As of September 30, 2023

 

 

As of December 31, 2022

 

 

 

(in thousands)

 

Principal

 

$

459,078

 

 

$

459,083

 

Unamortized issuance costs

 

 

(3,379

)

 

 

(4,856

)

Net carrying amount

 

$

455,699

 

 

$

454,227

 
0.375% Convertible Senior Notes Due 2025 [Member]  
Debt Instrument [Line Items]  
Schedule of Interest Expense

Interest expense related to the 2025 Notes is as follows:
 

 

 

Three Months Ended September 30,

 

 

Nine Months Ended September 30,

 

 

 

2023

 

 

2022

 

 

2023

 

 

2022

 

 

 

(in thousands)

 

Contractual interest expense

 

$

431

 

 

$

431

 

 

$

1,291

 

 

$

1,291

 

Amortization of issuance costs

 

 

497

 

 

 

492

 

 

 

1,477

 

 

 

1,465

 

Total interest expense

 

$

928

 

 

$

923

 

 

$

2,768

 

 

$

2,756