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Pension and Other Postretirement Benefit Plans (Tables) | 6 Months Ended
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Jun. 30, 2024
Notes Tables |
Schedule of net expense for the pension and other postretirement benefit plans | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three months ended |  | Six months ended
​ |  | June 30, |  | June 30,
(In thousands) |  | 2024 |  | 2023 |  | 2024 |  | 2023
Employee Pension Plan: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Interest cost | ​ | $ | 194 | ​ | $ | 203 | ​ | $ | 388 | ​ | $ | 406
Expected return on plan assets | ​ |  | (284) | ​ |  | (277) | ​ |  | (568) | ​ |  | (554)
Net employee pension benefit (1) | ​ | $ | (90) | ​ | $ | (74) | ​ | $ | (180) | ​ | $ | (148)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Outside Director Pension Plan: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Service cost | ​ | $ | 2 | ​ | $ | 2 | ​ | $ | 4 | ​ | $ | 4
Interest cost | ​ |  | 11 | ​ |  | 14 | ​ |  | 22 | ​ |  | 29
Amortization of unrecognized gain | ​ |  | (38) | ​ |  | (40) | ​ |  | (76) | ​ |  | (80)
Net outside director pension (benefit) expense (2) | ​ | $ | (25) | ​ | $ | (24) | ​ | $ | (50) | ​ | $ | (47)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other Postretirement Benefit Plans: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Service cost | ​ | $ | 42 | ​ | $ | 40 | ​ | $ | 84 | ​ | $ | 80
Interest cost | ​ |  | 96 | ​ |  | 96 | ​ |  | 192 | ​ |  | 191
Amortization of unrecognized gain | ​ | ​ | (54) | ​ | ​ | (60) | ​ | ​ | (108) | ​ | ​ | (120)
Net other postretirement expense (1) | ​ | $ | 84 | ​ | $ | 76 | ​ | $ | 168 | ​ | $ | 151
(1) Reported in the Consolidated Statements of Income as part of salaries and employee benefits. (2) Reported in the Consolidated Statements of Income as part of other operating expenses.

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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 -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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