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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) (Parentheticals) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Statement of Comprehensive Income [Abstract]    
Unrealized Gain (Loss) on Available-for-Sale Securities, tax (expense) benefit $ (67) $ 3
Pension and Other Postretirement Benefits, net of tax benefit (expense) $ 5 $ 26