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Note 12 - Employee Benefit Plans (Tables) | 6 Months Ended
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Jun. 30, 2026
Notes Tables |
Schedule of Net Benefit Costs [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Other postretirement |
|  | Defined benefit plans |  |  | benefit plans |
|  | Three months ended |  |  | Three months ended |
|  | June 30, |  |  | June 30, |
|  | 2026 |  |  | 2025 |  |  | 2026 |  |  | 2025 |
Service cost |  | $ | 6 |  |  | $ | 7 |  |  | $ | — |  |  | $ | — |
Interest cost |  |  | 23 |  |  |  | 23 |  |  |  | — |  |  |  | — |
Expected return on assets |  |  | (33 | ) |  |  | (33 | ) |  |  | — |  |  |  | — |
Amortization of prior service benefit |  |  | (1 | ) |  |  | (2 | ) |  |  | (1 | ) |  |  | — |
Amortization of actuarial loss |  |  | 7 |  |  |  | 7 |  |  |  | — |  |  |  | — |
Net periodic benefit cost (credit) |  | $ | 2 |  |  | $ | 2 |  |  | $ | (1 | ) |  | $ | — |
|  |  |  |  |  |  |  |  |  | Other postretirement |
|  | Defined benefit plans |  |  | benefit plans |
|  | Six months ended |  |  | Six months ended |
|  | June 30, |  |  | June 30, |
|  | 2026 |  |  | 2025 |  |  | 2026 |  |  | 2025 |
Service cost |  | $ | 12 |  |  | $ | 13 |  |  | $ | — |  |  | $ | — |
Interest cost |  |  | 46 |  |  |  | 45 |  |  |  | 1 |  |  |  | 1 |
Expected return on assets |  |  | (66 | ) |  |  | (64 | ) |  |  | — |  |  |  | — |
Amortization of prior service benefit |  |  | (2 | ) |  |  | (3 | ) |  |  | (2 | ) |  |  | (1 | )
Amortization of actuarial loss |  |  | 14 |  |  |  | 14 |  |  |  | — |  |  |  | — |
Settlement gain |  |  | — |  |  |  | (1 | ) |  |  | — |  |  |  | — |
Net periodic benefit cost (credit) |  | $ | 4 |  |  | $ | 4 |  |  | $ | (1 | ) |  | $ | — |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (q) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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- References No definition available. + Details
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