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Benefit Plans - Schedule of Net 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 $ 2,652 $ 2,711 $ 7,956 $ 8,134
Interest cost 2,860 2,556 8,581 7,666
Expected return on assets (5,044) (4,748) (15,132) (14,242)
Unrecognized actuarial loss 1,182 1,788 3,546 5,362
Amortization of prior service cost 4 12 12 37
Total $ 1,654 $ 2,319 $ 4,963 $ 6,957