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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Statement of Comprehensive Income [Abstract]        
Unrealized (loss) gain on available-for-sale securities, tax $ 0 $ 296 $ 0 $ (438)
Actuarial loss on retirement plan, net of tax 246 0 246 0
Amortization of prior service cost and actuarial loss for retirement plan included in net periodic pension costs, tax $ (75) $ (71) $ (77) $ (142)