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Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Statement of Comprehensive Income [Abstract]        
Unrealized gain (loss) on available for sale securities, deferred income tax $ (517) $ (1,588) $ 275 $ (4,414)
Changes in benefit obligations and plan assets for post retirement benefit plans, deferred income taxes $ 0 $ 0 $ (3) $ 0