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Long-Term Debt - Convertible Senior Notes Due 2022 (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
May 01, 2022
Debt Instrument [Line Items]          
Interest expense $ 4,857 $ 5,034 $ 9,726 $ 10,341  
Amortization of debt issuance costs     $ 1,199 1,161  
2022 Notes (matured May 2022)          
Debt Instrument [Line Items]          
Repurchased principal amount         $ 35,000
Interest rate (as a percent)         4.80%
Interest expense   $ 100   $ 600