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Retirement Plans and Postretirement Benefits - Schedule of SERP (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Retirement Benefits [Abstract]      
Compensation expense $ 1.3 $ 1.1 $ 1.4
Total discretionary contribution $ 1.7 $ 1.0 $ 0.9
Guaranteed annual return 5.00% 5.00% 5.00%