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Convertible Notes (Details 2) - Convertible senior notes - 1.375% Convertible senior notes due 2023 - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Interest expense related to notes        
Convertible notes, stated interest rate (as a percentage) 1.375% 1.375% 1.375% 1.375%
Coupon interest expense $ 0 $ 90 $ 12 $ 575
Amortization of debt issuance costs 0 33 3 184
Interest Expense, Other Long-Term Debt $ 0 $ 123 $ 15 $ 759