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Employee Benefit Plans | 9 Months Ended
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Sep. 30, 2019
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
| 2019 |  | 2018 |  | 2019 |  | 2018
| (in thousands)
Interest cost | $ | 813 |  |  | $ | 763 |  |  | $ | 2,443 |  |  | $ | 2,290 |
Expected return on plan assets | (688 | ) |  | (512 | ) |  | (2,066 | ) |  | (1,536 | )
Net amortization and deferral | 496 |  |  | 607 |  |  | 1,486 |  |  | 1,822 |
Net periodic pension cost | $ | 621 |  |  | $ | 858 |  |  | $ | 1,863 |  |  | $ | 2,576 |
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
| 2019 |  | 2018 |  | 2019 |  | 2018
| (in thousands)
Interest cost | $ | 15 |  |  | $ | 13 |  |  | $ | 45 |  |  | $ | 42 |
Net accretion and deferral | (139 | ) |  | (139 | ) |  | (417 | ) |  | (419 | )
Net periodic benefit | $ | (124 | ) |  | $ | (126 | ) |  | $ | (372 | ) |  | $ | (377 | )
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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- 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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