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Employee Benefit Plans | 3 Months Ended
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Mar. 31, 2021
Retirement Benefits [Abstract] |
Employee Benefit Plans | Note 8 – Employee Benefit Plans Pension Benefits - The Company’s Pension Plan covers all active employees hired prior to April 1, 2007. Employees hired after March 31, 2007 are not eligible to participate in this plan, but do participate in a defined contribution plan that provides for a potential annual contribution in an amount that is at the discretion of the Company. In order to be eligible for a contribution, the participant must be employed by the Company on December 31st of the year to which the contribution relates. For each of the three month periods ended March 31, 2021 and 2020, the Company did not make Pension Plan cash contributions. The Company expects to make Pension Plan cash contributions of approximately $3.4 million over the remainder of the current year. The Company also maintains an unfunded supplemental retirement benefit plan for certain active and retired Company officers and currently pays $0.4 million in annual benefits to the retired participants. Other Postretirement Benefits - The Company’s retirement plan other than pensions (Other Benefits Plan) covers substantially all of its current retired employees. Employees hired after March 31, 2007 are not eligible to participate in this plan. Coverage includes healthcare and life insurance. For the three month period ended March 31, 2021, the Company did not make Other Benefits Plan cash contributions. For the three month period ended March 31, 2020, the Company made Other Benefits Plan cash contributions of $0.3 million. The Company expects to make additional Other Benefits Plan cash contributions of $0.8 million and $0.3 million over the remainder of the current year. 13 Index 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 |
*Service cost is included in Operations and Maintenance expense on the Condensed Consolidated Statements of Income; all other amounts are included in Other Income/Expense, net.

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