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Debt (Details) - Convertible Debt
3 Months Ended 9 Months Ended
Sep. 30, 2023
USD ($)
day
$ / shares
Jun. 30, 2023
day
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
$ / shares
Sep. 30, 2022
USD ($)
Sep. 29, 2023
$ / shares
Dec. 31, 2022
USD ($)
Jan. 11, 2021
USD ($)
May 04, 2020
USD ($)
2028 Convertible Notes                  
Line of Credit Facility [Line Items]                  
Debt instrument, face amount               $ 345,000,000  
Stated interest rate (as a percent) 0.25%     0.25%     0.25% 0.25%  
Convertible notes, conversion price (in dollars per share) | $ / shares $ 12.30     $ 12.30   $ 12.30      
Interest expense, contractual coupon interest $ 200,000   $ 200,000 $ 600,000 $ 700,000        
Interest expense, accretion of debt discount 400,000   400,000 1,100,000 1,100,000        
Interest expense, amortization of debt issuance costs 8,500   8,500 $ 26,000 25,300        
Effective interest rate on convertible notes (as a percent)       0.70%          
2028 Convertible Notes | Level 2                  
Line of Credit Facility [Line Items]                  
Estimated fair value of debt $ 245,800,000     $ 245,800,000     $ 218,200,000    
2025 Convertible Notes                  
Line of Credit Facility [Line Items]                  
Debt instrument, face amount                 $ 201,300,000
Stated interest rate (as a percent) 1.25%     1.25%     1.25%   1.25%
Convertible notes, conversion price (in dollars per share) | $ / shares           $ 12.30      
Interest expense, contractual coupon interest $ 600,000   600,000 $ 1,900,000 1,900,000        
Interest expense, accretion of debt discount 300,000   300,000 900,000 900,000        
Interest expense, amortization of debt issuance costs 37,900   $ 37,200 $ 100,000 $ 100,000        
Effective interest rate on convertible notes (as a percent)       1.96%          
2025 Convertible Notes | Level 2                  
Line of Credit Facility [Line Items]                  
Estimated fair value of debt $ 187,300,000     $ 187,300,000     $ 169,600,000    
2025 Convertible Notes | Debt Instrument, Redemption, Period One                  
Line of Credit Facility [Line Items]                  
Conversion price on applicable trading day (as a percent) 130.00% 130.00%              
Threshold trading days (in days) | day 20 20              
Consecutive trading days (in days) | day 30 30