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Employee Benefit Plans (Tables) | 3 Months Ended
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Mar. 31, 2021
Retirement Benefits [Abstract] |
Schedule of periodic costs for employee retirement benefit plan | The following table sets forth information relating to the Company’s periodic costs for its employee retirement benefit plans:
|  | (In Thousands)
|  | Pension Benefits |  | Other Benefits
|  | Three Months Ended March 31,
|  | 2021 |  | 2020 |  | 2021 |  | 2020
Service Cost |  | $ | 674 |  |  | $ | 609 |  |  | $ | 229 |  |  | $ | 248 |
Interest Cost |  |  | 677 |  |  |  | 775 |  |  |  | 309 |  |  |  | 425 |
Expected Return on Assets |  |  | (1,556 | ) |  |  | (1,409 | ) |  |  | (786 | ) |  |  | (721 | )
Amortization of Unrecognized Losses |  |  | 717 |  |  |  | 515 |  |  |  | 132 |  |  |  | 338 |
Net Periodic Benefit Cost (Benefit)* |  | $ | 512 |  |  | $ | 490 |  |  | $ | (116 | ) |  | $ | 290 |

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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=123447040&loc=d3e1928-114920 + Details
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