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Pension and postretirement benefits (Tables) | 9 Months Ended
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Sep. 30, 2021
Employee benefits |
Components of Net Periodic Pension/Postretirement Benefit Cost |
|  | Pension Plans |  | OPEB Plan
|  | Quarters ended September 30, |  | Quarters ended September 30,
(In thousands) |  | 2021 |  | 2020 |  | 2021 |  | 2020
Personnel Cost: |  |  |  |  |  |  |  |
Service cost | $ | - | $ | - | $ | 160 | $ | 178
Other operating expenses: |  |  |  |  |  |  |  |
Interest cost |  | 3,998 |  | 5,847 |  | 893 |  | 1,228
Expected return on plan assets |  | (9,670) |  | (9,526) |  | - |  | -
Amortization of prior service cost/(credit) |  | - |  | - |  | - |  | -
Amortization of net loss |  | 4,719 |  | 5,220 |  | 468 |  | 142
Total net periodic pension cost | $ | (953) | $ | 1,541 | $ | 1,521 | $ | 1,548
|  | Pension Plans |  | OPEB Plan
|  | Nine months ended September 30, |  | Nine months ended September 30,
(In thousands) |  | 2021 |  | 2020 |  | 2021 |  | 2020
Personnel Cost: |  |  |  |  |  |  |  |
Service cost | $ | - | $ | - | $ | 480 | $ | 535
Other operating expenses: |  |  |  |  |  |  |  |
Interest cost |  | 11,994 |  | 17,541 |  | 2,679 |  | 3,684
Expected return on plan assets |  | (29,011) |  | (28,577) |  | - |  | -
Amortization prior service cost/(credit) |  | - |  | - |  | - |  | -
Amortization of net loss |  | 14,159 |  | 15,660 |  | 1,407 |  | 426
Total net periodic pension cost | $ | (2,858) | $ | 4,624 | $ | 4,566 | $ | 4,645
Schedule of expected benefit payments |
| For the nine months ended | For the year ending
(In thousands) | September 30, 2021 | December 31, 2021
Pension Plans | $ | 172 | $ | 229
OPEB Plan | $ | 4,640 | $ | 6,333

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- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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