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Financial Instruments and Fair Value - Schedule of Fair Value Measurements for Each Major Category of Investments (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total | $ 71,072 | $ 56,998
Other Current Assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total | 1,287 | 1,136
Assets Designated for Retirement and Pension Plans |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total | 11,310 | 9,976
Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total | 72,537 | 58,290
Other Current Liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total | (1,287) | (1,136)
Retirement and Pension Plans |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total | (12,775) | (11,268)
Fair Value, Inputs, Level 1 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
U.S. non-qualified deferred compensation plan | 72,537 | 58,290
Fair Value, Inputs, Level 1 | Other Current Assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
U.S. non-qualified deferred compensation plan | 0 | 0
Fair Value, Inputs, Level 1 | Assets Designated for Retirement and Pension Plans |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
U.S. non-qualified deferred compensation plan | 0 | 0
Fair Value, Inputs, Level 1 | Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
U.S. non-qualified deferred compensation plan | 72,537 | 58,290
Fair Value, Inputs, Level 1 | Other Current Liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
U.S. non-qualified deferred compensation plan | 0 | 0
Fair Value, Inputs, Level 1 | Retirement and Pension Plans |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
U.S. non-qualified deferred compensation plan | 0 | 0
Fair Value, Inputs, Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Retirement and pension plan assets | 12,597 | 11,112
Pension benefit obligation | (14,062) | (12,404)
Total | (1,465) | (1,292)
Fair Value, Inputs, Level 2 | Other Current Assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Retirement and pension plan assets | 1,287 | 1,136
Pension benefit obligation | 0 | 0
Total | 1,287 | 1,136
Fair Value, Inputs, Level 2 | Assets Designated for Retirement and Pension Plans |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Retirement and pension plan assets | 11,310 | 9,976
Pension benefit obligation | 0 | 0
Total | 11,310 | 9,976
Fair Value, Inputs, Level 2 | Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Retirement and pension plan assets | 0 | 0
Pension benefit obligation | 0 | 0
Total | 0 | 0
Fair Value, Inputs, Level 2 | Other Current Liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Retirement and pension plan assets | 0 | 0
Pension benefit obligation | (1,287) | (1,136)
Total | (1,287) | (1,136)
Fair Value, Inputs, Level 2 | Retirement and Pension Plans |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Retirement and pension plan assets | 0 | 0
Pension benefit obligation | (12,775) | (11,268)
Total | $ (12,775) | $ (11,268)

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