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Fair Value Measurements (Details) - Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation - 3.25% Convertible Senior Notes Due 2023 [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Balance at January 1, $ 21,918 $ 21,282 $ 8,062
Change in fair value 8,029 636 13,220
Balance at December 31, $ 29,947 $ 21,918 $ 21,282