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v3.21.1

Pension Plans | 3 Months Ended
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Mar. 31, 2021
Pension Plans |
Pension Plans | 11. PENSION PLANS: Net periodic pension benefit reflected in other gains and (losses), net in the accompanying condensed consolidated statements of operations included the following components for the respective periods (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​
​ | ​ | March 31, | ​
​ |  | 2021 |  | 2020 |
Interest cost | ​ | $ | 472 | ​ | $ | 676 | ​
Expected return on plan assets | ​ |  | (1,019) | ​ |  | (1,055) | ​
Amortization of net actuarial loss | ​ |  | 289 | ​ |  | 282 | ​
Total net periodic pension benefit | ​ | $ | (258) | ​ | $ | (97) | ​
​ ​

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