Pension and Employee Benefit Plans - Components of Pension and Employee Benefit Expenses (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Pension Plan [Member] | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Net periodic benefit cost | $ 0 | $ 57 | $ (8) | $ 113 |
| Health Care Plan [Member] | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Interest cost | 0 | 304 | 318 | 608 |
| Expected return on plan assets | 0 | (304) | (335) | (608) |
| Amortization of net actuarial loss | $ 0 | $ 57 | $ 9 | $ 113 |
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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