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Schedule of Net Periodic Pension Benefit Costs (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Retirement Benefits [Abstract] |  |  |  |
Service cost | $ 739 | $ 1,125 | $ 2,241 | $ 3,376
Interest cost | 403 | 345 | 1,269 | 1,046
Expected return on plan assets | (75) | (87) | (238) | (264)
Amortization of prior service costs | 17 | 17 | 53 | 51
Amortization of actuarial net loss | 187 | 681 | 618 | 2,070
Net periodic benefit cost | $ 1,271 | $ 2,081 | $ 3,943 | $ 6,279

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