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Debt (Tables)
 12 Months Ended
Dec. 31, 2023
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments

The following table summarizes information about the net carrying amounts of long-term debt as of December 31, 2023:

(in thousands)
  
2026 Notes
    
2027 Notes
    
Total
  
Principal amount of notes outstanding
  
$
120,000
    
$
265,000
    
$
385,000
  
Unamortized debt issuance cost
    
(1,811
)
    
(5,542
)
    
(7,353
)
Total notes payable
  
$
118,189
    
$
259,458
    
$
377,647
  


The following table summarizes information about the net carrying amounts of long-term debt as of December 31, 2022:

(in thousands)
  
2024 Notes
    
2026 Notes
    
2027 Notes
    
Total
  
Principal amount of notes outstanding
  
$
13,750
    
$
120,000
    
$
265,000
    
$
398,750
  
Unamortized debt issuance cost
    
(257
)
    
(2,511
)
    
(6,790
)
    
(9,558
)
Total notes payable
  
$
13,493
    
$
117,489
    
$
258,210
    
$
389,192
  
Summary of Equity and Liability Components of the Notes

The following table summarizes interest expense recognized on the 2024 Notes and Senior Notes:

   
Year Ended December 31,
  
(in thousands)
  
2023
    
2022
    
2021
  
Contractual interest expense
  
$
7,627
    
$
8,036
    
$
9,420
  
Accretion of debt in interest expense
    
2,205
      
1,997
      
8,726
  
Total interest expense
  
$
9,832
    
$
10,033
    
$
18,146
  
Schedule of Maturities of Long-term Debt

The following table summarizes the future principal payments for the Senior Notes as of December 31, 2023 (in thousands):

2024
  
$
—
  
2025
    
—
  
2026
    
120,000
  
2027
    
265,000
  
2028
    
—
  
Thereafter
    
—
  
Total
  
$
385,000