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Benefit Plans (Tables) | 3 Months Ended
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Mar. 31, 2021
Compensation And Retirement Disclosure [Abstract] |
Schedule of Defined Benefit Pension Plan | The following table presents the net periodic pension cost for Wesbanco’s Defined Benefit Pension Plan (the “Plan”) and the related components:
|  | For the Three Months Ended March 31, |
(unaudited, in thousands) |  | 2021 |  |  | 2020 |
Service cost – benefits earned during year |  | $ | 616 |  |  | $ | 568 |
Interest cost on projected benefit obligation |  |  | 842 |  |  |  | 1,121 |
Expected return on plan assets |  |  | (2,763 | ) |  |  | (2,594 | )
Amortization of prior service cost |  |  | (8 | ) |  |  | (9 | )
Amortization of net loss |  |  | 675 |  |  |  | 793 |
Net periodic pension income |  | $ | (638 | ) |  | $ | (121 | )

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