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Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Statement of Comprehensive Income [Abstract]        
Unrealized (loss) on available for sale securities, deferred income tax $ 455 $ 1,152 $ 3,469 $ 952
Changes in benefit obligations and plan assets for post retirement benefit plans, deferred income taxes $ 0 $ 0 $ 0 $ 1