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Employee Benefit Plans - Schedule of Net Periodic Benefit Cost Not Yet Recognized (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Sep. 30, 2022
Retirement Benefits, Description [Abstract]      
Unamortized net actuarial gain $ 345 $ 345 $ 133
Deferred tax expense (72) (72) (28)
Net unrecognized postretirement benefits included in AOCI $ 273 $ 273 $ 105