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v3.20.2

Employee Retirement Plans | 6 Months Ended
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Jun. 30, 2020
Employee Retirement Plans |
Employee Retirement Plans | 7. Employee Retirement Plans The components of the Company’s net periodic pension cost were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30,
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019
​ | ​ | (Dollars in thousands)
Service cost | ​ | $ | 115 | ​ | $ | 128 | ​ | $ | 230 | ​ | $ | 231
Interest cost | ​ |  | 506 | ​ |  | 624 | ​ |  | 1,006 | ​ |  | 1,230
Expected return on plan assets | ​ |  | (698) | ​ |  | (625) | ​ |  | (1,388) | ​ |  | (1,251)
Net amortization and deferral | ​ |  | 196 | ​ |  | 167 | ​ |  | 382 | ​ |  | 313
Net periodic pension cost | ​ | $ | 119 | ​ | $ | 294 | ​ | $ | 230 | ​ | $ | 523
​ The components of net periodic pension cost other than the service cost component were included in other (expense) income, net in the Consolidated Condensed Statements of Earnings and Comprehensive Income (Unaudited).

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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