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Consolidated Statements of Comprehensive Income (unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Statement of Comprehensive Income [Abstract]    
Unrealized Gain (Loss) on Available-for-Sale Securities, tax benefit $ 61 $ 10
Pension and Other Postretirement Benefit Plan, tax (expense) benefit $ 67 $ (53)