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v3.22.1

Pension Plan | 3 Months Ended
--- | ---
Mar. 31, 2022
Retirement Benefits [Abstract] |
Pension Plan | Pension Plan Net periodic pension cost consists of the following:
| Three Months Ended March 31, |  |
| 2022 |  | 2021 |  |  |  |
Service cost | $ | 269 |  |  | $ | 248 |  |  |  |  |
Interest cost on projected benefit obligation | 537 |  |  | 451 |  |  |  |  |
Expected return on plan assets | (1,324) |  |  | (1,289) |  |  |  |  |
Net amortization and deferral | 648 |  |  | 832 |  |  |  |  |
Net periodic pension cost | $ | 130 |  |  | $ | 242 |  |  |  |  |
We do not expect to make any pension contributions during 2022. Non-service pension cost/(benefit) was immaterial for the three months ended March 31, 2022 and 2021.

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