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Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Statement Of Income And Comprehensive Income [Abstract]    
Unrealized gain (loss) on available for sale securities, deferred income tax $ 792 $ (2,826)
Changes in benefit obligations and plan assets for post retirement benefit plans, deferred income taxes $ (3) $ 0