EMPLOYEE BENEFIT PLANS - Schedule of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Postretirement Medical Plans | ||
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] | ||
| Service cost | $ 23 | $ 29 |
| Interest cost | 13 | 18 |
| Amortization of gain (loss) | (14) | (3) |
| Net periodic benefit cost | 22 | 44 |
| Defined Benefit Pension Plans | Chemogas Defined Pension Plan | ||
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] | ||
| Service cost | 57 | 49 |
| Interest cost | 26 | 19 |
| Amortization of gain (loss) | 3 | 1 |
| Expected return on plan assets | (17) | (14) |
| Net periodic benefit cost | $ 69 | $ 55 |
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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 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/disclosureRef
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- References No definition available.
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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