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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