Financial Instruments and Risk Management - Carrying Amounts and Estimated Fair Values of Financial Instruments (Details) - Level 1 - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Current and long-term debt	$ 1,280,072	$ 1,329,075
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Current and long-term debt	$ 1,288,682	$ 1,265,185

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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+ Details