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Financial Instruments - Carrying Amounts and Estimated Fair Values of Notes (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
2025 notes    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Long-term debt fair value $ 70,269 $ 164,113
2027 notes    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Long-term debt fair value $ 367,896 $ 325,927