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Financial Instruments and Risk Management - Carrying Amounts and Estimated Fair Values of Financial Instruments (Details) - Level 1 - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Current and long-term debt $ 1,329,399 $ 1,329,075
Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Current and long-term debt $ 1,284,012 $ 1,265,185