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v3.20.2

Employee Retirement Plans | 9 Months Ended
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Sep. 30, 2020
Employee Retirement Plans |
Employee Retirement Plans | 8. Employee Retirement Plans The components of the Company’s net periodic pension cost were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30,
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019
​ | ​ | (Dollars in thousands)
Service cost | ​ | $ | 115 | ​ | $ | 116 | ​ | $ | 345 | ​ | $ | 347
Interest cost | ​ |  | 502 | ​ |  | 615 | ​ |  | 1,508 | ​ |  | 1,845
Expected return on plan assets | ​ |  | (693) | ​ |  | (625) | ​ |  | (2,081) | ​ |  | (1,876)
Net amortization and deferral | ​ |  | 191 | ​ |  | 156 | ​ |  | 573 | ​ |  | 469
Net periodic pension cost | ​ | $ | 115 | ​ | $ | 262 | ​ | $ | 345 | ​ | $ | 785
​ The components of net periodic pension cost other than the service cost component are included in other income (expense), net in the Consolidated Condensed Statements of Earnings and Comprehensive Income (Unaudited).

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