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Employee Benefit Plans | 9 Months Ended
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Sep. 30, 2020
Retirement Benefits [Abstract] |
Employee Benefit Plans | Employee Benefit Plans The net periodic pension cost for the Corporation’s Defined Benefit Pension Plan ("Pension Plan") consisted of the following components:
| Three months ended September 30 |  | Nine months ended September 30
| 2020 |  | 2019 |  | 2020 |  | 2019
| (in thousands)
Interest cost | $ | 681 |  |  | $ | 813 |  |  | $ | 2,043 |  |  | $ | 2,443 |
Expected return on plan assets | (982) |  |  | (688) |  |  | (2,946) |  |  | (2,066) |
Net amortization and deferral | 465 |  |  | 496 |  |  | 1,395 |  |  | 1,486 |
Net periodic pension cost | $ | 164 |  |  | $ | 621 |  |  | $ | 492 |  |  | $ | 1,863 |
The components of the net benefit for the Corporation’s Postretirement Benefits Plan ("Postretirement Plan") consisted of the following components:
| Three months ended September 30 |  | Nine months ended September 30
| 2020 |  | 2019 |  | 2020 |  | 2019
| (in thousands)
Interest cost | $ | 11 |  |  | $ | 15 |  |  | $ | 33 |  |  | $ | 45 |
Net accretion and deferral | (137) |  |  | (139) |  |  | (411) |  |  | (417) |
Net periodic benefit | $ | (126) |  |  | $ | (124) |  |  | $ | (378) |  |  | $ | (372) |
The Corporation recognizes the funded status of its Pension Plan and Postretirement Plan on the consolidated balance sheets and recognizes the change in that funded status through other comprehensive income.

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